The Walking Whales

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The Walking Whales Page 12

by J G M Hans Thewissen


  Chinese  features,  and  paler  ones  with  almond  and  green  eyes,  like

  Afghans. They’re all Pakistanis, but show traits of the conquerors and

  rulers of these lands, Mongols from the north, Afghans from the west,

  Sikhs and Moghuls from the south. This road is the only way over land

  to get to Skardu and its associated villages, so there are many trucks. Our

  rest site is a rest stop for them too. Men from the village walk around

  soliciting oil changes. If the driver consents, they crawl underneath the

  engine, and open a valve; black oil runs onto the sand. The valve is closed,

  and new oil added. The used oil stands in puddles in the sand, dozens of

  shiny black lakes, eventually adding a glistening sheen to the Indus raging

  below. The lack of environmental conscience depresses me.

  The valley narrows, the road climbs and falls, and when opposing

  traffic  comes,  we  have  to  pull  off  to  let  them  pass,  slamming  on  the

  brakes if someone cuts a corner around a promontory. The road goes

  down, seemingly directed straight into the furious Indus and its deafen-

  ing concert of raging waters. From my position in the car, I cannot see

  sky. The mountains are too high, the valley too narrow. It is dark around

  me. We are near the bottom of the valley. I feel panic: this is how I imag-

  ine the River Styx opening into the underworld.

  Skardu is in a pleasant valley, and as close to the end of the world as

  one  may  go.  One  road  goes  north  from  it,  ending  at  the  foot  of  K2.

  Another road goes east to the closed border with India. The location of

  the border is disputed, so the practical edge of Pakistan is the Line of

  Control, a cease-fire line from one of its wars with India, monitored by

  United Nations observers.

  The fieldwork is mostly a bust. Roads are eroded away. It is impos-

  sible to cover much terrain on day trips, and hiking to locations seen on

  a map requires mountaineering skills, which I lack. The army stops us

  and sends us back from sensitive areas. In spite of that, I learn about the

  mountains and their geology, and enjoy the scenery and the people. As

  far as fossils go, this field season will have to be carried by a few days

  that we will spend down in the Kala Chitta Hills, down on the hot Indus

  Plain. We want to revisit the  Ambulocetus locality and dig deeper, get-

  ting the rest of our prized skeleton, if there is anything still buried. As

  we  drive  the  Karakorum  Highway  back  toward  the  plains,  the  high

  When the Mountains Grew | 75

  mountains reinforce the lessons they taught me about plate tectonics. I

  also think about the first geological explorers of this area, people who

  provided the foundations for the work I am doing here, but who had no

  idea about plate tectonics.

  kidnapping in the hills

  Long before plate tectonics was a generally accepted way to think about

  the world, the first South Asian fossils relevant to the origin of whales

  were collected by T. G. B. Davies in the Kala Chittas. At the time, the

  area was part of British India and Davies was a geological surveyor for

  the Attock Oil Company. He was sent there to investigate reports of oil

  seeps, places where oil was exuded by rocks. In 1935, Davies drew a

  geological map to determine whether oil exploration was feasible. While

  mapping in the field, Davies also collected some fossils, and these even-

  tually ended up on the desk of a vertebrate paleontologist at the British

  Museum of Natural History in London, Guy Pilgrim, who had been the

  paleontologist for the Geological Survey of India.3 In 1938, with World

  War II looming, Richard Dehm, a professor from Munich, Germany,

  visited Pilgrim to see his collection of Indian Miocene fossils (thirty-five

  million years and younger), with the intention of setting off to British

  India and collecting some himself.

  I visited Dehm in the mid-1990s, when he lived in a retirement home

  in Munich. Dehm was excited to tell his story, knowing that I was now

  working in the area where he collected half a century earlier. On his visit

  to London, Pilgrim had also shown him Davies’s collection of Eocene

  fossils from the Kala Chitta Hills. Pilgrim encouraged Dehm to go there

  too. Dehm set off on a long journey in 1939, sailing past the Cape of

  Good Hope, collecting in many places in India, and then going on to

  Australia. He was in Australia when the war caught up with him. Being

  German, he was jailed, but eventually he was released and he traveled

  back to Germany. His fossils were confiscated by the French, and

  remained on the ship he had been traveling with, moored in a French

  port, with the frontlines of the war moving across France. Eventually,

  the Germans conquered France’s west coast, and found the ship, and

  Dehm was reunited with his fossils. Dehm was not a Nazi. As a matter

  of fact, the Nazis disliked him and moved him from his important

  museum position in Munich, the Bavarian and Nazi heartland, to the

  small provincial outpost of Strasbourg, freshly conquered from the

  French. There he spent the duration of the war.

  76    |    Chapter 5

  Dehm returned to Munich after the war and made plans to go back

  to British India to collect more fossils. The war had not only left Europe

  scarred; British India was broken up into Hindu-dominated India and

  Muslim Pakistan in 1947. The Kala Chitta Hills were now in Pakistan,

  and Dehm visited his old sites in this young country in 1955. His collec-

  tion grew, and he published it in 1958.4 Dehm had found a small jaw

  fragment with two teeth. It belonged to a whale; however, he was not

  aware  of  this.  No  whales  older  than  Basilosaurus  were  known,  and

  Dehm’s whale was too different and too fragmentary for recognition.

  He did make a remarkable inference, though, guessing a diet that befit-

  ted a cetacean for the animal. He called the animal  Ichthyolestes;  ich-

  thus means fish in Greek, and  lestes means robber. It was the first Indo-

  Pakistani whale to be named, and remains one of the oldest whales in

  the world. The specimen came from rocks a few hundred yards from the

  ones that yielded a jaw which Robert West, thirty years later, id
entified

  as a whale.5 Dehm marked his site on a hand-colored copy of the map

  that Davies had made. He gave me his map when he heard I was work-

  ing there.

  I think of Dehm and West as we drive toward Attock. In 1987, I flew

  to  a  conference  of  the  Society  of Vertebrate  Paleontology  in Tucson,

  Arizona. On the plane, I happened to sit next to West. I told him that I

  was  interested  in  working  in  the  Eocene  of  Pakistan,  and  asked  him

  whether he minded if I were to visit his old sites. There is an unwritten

  rule, observed by many paleontologists but also frequently broken, that

  one does not visit localities where someone else is working without their

  permission. West had not worked those sites for years, but I wanted to

  make sure. Graciously, he said I should go ahead and that he had no

  claims to those areas.

  We leave the Himalayas and enter the frying pan that the plains of

  Punjab are. Temperatures are in the low 100s, and the humidity is high.

  We stay at a railroad guesthouse in Attock, next to the tracks and the

  station. The town is scorched, dusty, and miserable; the smell of rotting

  garbage and diesel fuel fills the air. But the guesthouse has a courtyard

  that smells sweet, it is full of vivid colors, there are flowers everywhere.

  A caretaker is employed at the guesthouse full-time, and his main job is

  watering this visual paradise. But it does not diminish the heat. I wear

  sunglasses and a hat, but it still gives me a headache, and the sweating

  dehydrates me. The electric service is out. Arif and I share a room, and

  the first thing he does is position his bed in the dead center of the room.

  Odd, it appears to me, as I leave my bed along a wall. Later, when the

  When the Mountains Grew | 77

  electricity revives, the ceiling fan comes to life. It is located right over

  Arif’s bed.

  The next morning we leave the guesthouse at four a.m., hoping to

  arrive in the field area at sunrise and leave before the hottest part of the

  day. Attock is dark and still asleep, no breakfast available, we see no

  person or beast. Munir drives the red jeep. We are tired. No good sleep

  is possible in this heat. We cross the high parts of the Kala Chitta Hills,

  still not having seen a soul. The hills here are the tiny cousins of the

  mountains that we left a few days ago; they are the last ripples of the

  continental upset to the north. There are gray Jurassic limestones,

  formed in oceans that harbored ichthyosaurs and plesiosaurs, long

  before whales originated. A stretch of road crosses an area covered in

  bushes and labeled “dense jungle” on the map. Ambulocetus is just a

  mile away. The bushes are taller than a man and grow in clusters. You

  can easily walk around them, but you can never see far. The place is like

  a giant, green maze. We round a hairpin turn, and suddenly we are all

  fully awake and in shock. The place swarms with police in army-like

  outfits. There are busses that have brought ground troops with semi-

  automatic guns, camouflaged jeeps, and armored vehicles. They stop us,

  and ask what we want. Arif explains in a nervous voice. They tell us to

  keep driving, we are not to stop in these hills but to cross the hills to the

  police station in Basal, south of the hills. A man has been kidnapped,

  and the kidnappers are hiding in this jungle. Today, the police will hunt

  them down. I am puzzled and dazed and try to organize my thoughts on

  the way to Basal. They can’t do this to us. I have waited for two years

  to come back here. We cannot just give up. The police in Basal have to

  give us access. I am gearing up to make my case.

  The police station in Basal is built around a courtyard. We park the

  car outside. Arif alone passes the guards. He does not want to take me

  inside. I think that he is worried that the presence of a foreigner compli-

  cates matters further. He comes back with no news at all. I barrage him

  with questions, but he remains silent. Did he make a case at all, or did

  he just go inside because I insisted? I call Taseer, who is in a hotel in

  Islamabad. He says to return to Islamabad. The next day, an Islamabad

  newspaper reports that four policemen have been killed in the operation

  and that the kidnappers were not caught. Taseer tells me to go home

  and forget about it, the fossils will be safe in the ground for another

  year. I am disappointed.

  Life goes on. The parts of Ambulocetus that are still under the ground

  remain where they have been for forty-eight million years.6 But the

  78    |    Chapter 5

  kidnapping  incident  is  part  of  a  larger  problem  with  Pakistan.  Too

  often, when I point at a place on the map, Arif tells me that the place is

  off limits for security reasons. Pakistan is too risky a place to be the sole

  purveyor of study material. So, I am looking elsewhere. There are fossil

  whales in India. In addition, India is opening up politically.

  indian whales

  The man who looms larger than life in Indian paleontology is Ashok

  Sahni, the father of vertebrate paleontology in that country. Some years

  ago, I sent him a letter asking him about his study of the tooth enamel

  of Eocene Indian whales.7 A letter came back saying little about enamel

  and instead inviting me to visit his lab. It was a pleasant surprise.

  Studying tooth enamel in whales could be very interesting because it

  may provide clues to the strange tooth wear in ambulocetids and basi-

  losaurids. And that may help us understand what these animals were

  eating. Of course, to study enamel, one has to cut a tooth on a diamond-

  blade saw and look at the cut face with an electron microscope.8 That

  destroys the precious specimen. Having more fossils would make it hurt

  less to cut some of them up. Teeth from Indian whales would be a wel-

  come addition to those from Pakistan. I am taking Dr. Sahni up on his

  invitation.

  Chapter 6

  Passage to India

  stranded in delhi

  Islamabad, Pakistan, February 1992. After a month of fieldwork in

  Pakistan, I am boarding a plane that will take me to India’s capital, New

  Delhi. Flights between the countries only happen twice a week, the result

  of the hostile stance between them. Soldiers commonly shoot at each

  other across the Line of Control, near Skardu.
I am excited to go to this

  new country, meet Ashok Sahni and his colleagues, and study their whale

  collections from Gujarat, the western Indian state on the Indian Ocean.

  The original arrangements were all made by airmail back and forth,

  weeks between correspondences. From Pakistan, I tried to call Ashok

  but never reached him, so I hope for the best. The Air India flight to

  India is crammed with Indian Muslims who have visited Pakistani rela-

  tives. As we land, it is prayer time, and many of them unroll their prayer

  mats in the corridors of the airport to pray, obstructing the flow of traf-

  fic. Airport officials, Hindus and Sikhs mostly, in drab military-looking

  uniforms, give them a condescending look, but let them be. Coming

  down the escalator in Delhi, I see a large wooden statue of Ganesha, the

  elephant-headed Hindu god of travelers and traders, welcoming all those

  who want to be welcomed. Coming from Muslim Pakistan, where

  depicting deities is sacrilege, I am taken aback by such blatant idol wor-

  ship, but also elated to enter this strange new world. Back in the United

  States, I was unable to buy a ticket to fly from Delhi to Chandigarh, so I

  79

  80    |    Chapter 6

  will buy it here, at the airport, for the flight tomorrow morning. I ask at

  the Air India check-in desk to buy a ticket to Chandigarh.

  “We do not fly to Chandigarh.”

  I am puzzled. I thought they did. I don’t really believe her. “So, where

  can I buy a ticket?”

  “You go outside.”

  I walk on, leaving the terminal building. Then I realize my mistake:

  the  flight  to  Chandigarh  is  on  Indian  Airlines,  not  Air  India.  I  turn

  around  and  walk  back  into  the  terminal  building.  A  man  stops  me.

  “Change money, sir?” There is a rich black market in money-changing

  here, and I politely decline the offer.

  A policeman stops me and asks for my ticket.

  “I do not have one yet, I will buy it inside.”

 

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