FROM WEST PAKISTAN 7 



Samples from the Zao River and Shpalai Khwara sections were taken by S. M. 

 Ahmed and W. A. Zuberi and those from the Sor Range section by J. A. Reinemund. 



All specimens with the prefix Io. are in the Department of Palaeontology, British 

 Museum (Natural History) . Those with the prefix GSP BM are in the Museum of the 

 Geological Survey of Pakistan, Cjuetta. 



II. ACKNOWLEDGMENTS 



I would like to express my sincere gratitude to Professor P. C. Sylvester-Bradley 

 for his supervision, encouragement, constant help throughout this work, and for the 

 use of the Department facilities at Leicester University. I am greatly indebted to 

 Dr. F. E. Eames, lately Chief Palaeontologist of the British Petroleum Company Ltd., 

 for his help and advice on the stratigraphy, particularly that of the Sulaiman Range, 

 and for allowing me to examine East African Eocene ostracod collections at the BP 

 Research Centre. Thanks are due especially to Dr. E. Triebel of the Senckenberg 

 Museum, Frankfurt a.M., for his instructions in photomicrography and for kindly 

 permitting me to study the ostracod collection at the Museum. During my several 

 visits to the British Museum (Natural History), I have been received with courtesy 

 by Dr. J. P. Harding and Dr. R. H. Bate, who gave me free access to the ostracod 

 collections under their care. In addition, Dr. R. H. Bate read the manuscript 

 critically. I have profited from useful discussions with Professor R. A. Reyment 

 which I had while on a study tour to Stockholm. He kindly allowed me to see his 

 West African ostracod collection. Dr. P. Marks helped me during my stay at 

 Utrecht and gave me free access to the van den Bold, Kingma and Keij Collections 

 housed in the Geologisch Instituut. 



I should like to thank Dr. F. T. Banner (University College, Swansea) for examin- 

 ing some of the smaller foraminifera from the Rakhi Nala and Sor Range sections ; 

 Dr. C. G. Adams (British Museum, Natural History) for his help in identifying the 

 genus Pellatispira from the Zao River ; and Mr. J. A. Reinemund (U.S. Geological 

 Survey) for the information on the Sor Range locality. 



For the loan of samples, I am indebted to the following : Standard Vacuum Oil 

 Company, Karachi ; The Director, Geological Survey of Pakistan, Ouetta ; Dr. I. 

 Strachan, Birmingham University ; Dr. D. D. Bayliss, Robertson Research Ltd. 

 I would like to acknowledge the following persons for comparative material : Mr. E. S. 

 Pinfold, Geological Adviser of the Attock Oil Co. Ltd. ; Dr. F. E. Eames, lately Chief 

 Palaeontologist of the British Petroleum Co. Ltd. ; Mr. I. G. Sohn, U.S.A. ; Pro- 

 fessor A. Wood, Aberystwyth ; The Director, Oil and Gas Commission, India ; Dr. 

 W. A. van den Bold, U.S.A. ; Dr. W. D. I. Rolfe, of the Hunterian Museum, Glasgow ; 

 Dr. N. Grekoff, France ; Dr. R. C. Whatley, Aberystwyth ; Dr. J. E. van Hinte, 

 Holland ; and Professor G. Ruggieri, Italy. 



I would like to thank the departmental technical staff at Leicester University, 

 particularly Mr. M. Barker and Mr. G. McTurk for their assistance in photography. 

 I am very grateful to Mrs. N. Farquharson for making the diagrams and charts. 



This work has been done during the tenure of a Leicester University Research 

 Scholarship. The study tours to Frankfurt, Utrecht and Stockholm were made 

 possible by two travelling grants from the Leicester University Research Board. 



