vi CONTENTS. 



Page 

 XLIII. Descriptions and Records of Bees.— LIV. By T. D. A. 

 Cockerell, University of Colorado 368 



XLIV. Thaumastotherium osborni, a new Genus of Perissodactyles 

 from the Upper Oligocene Deposits of the Bugti Hilis of Baluchistan. 

 — Preliminary Notice. By C. Forster-Cooper, M.A., University 

 Demonstrator in Comparative Morphology, Cambridge 376 



XLV. Notes on Actinostola callosa (Verrill) =Di/sactis crassi- 

 cornis (Ilertwig). By Olwen M. Bees, B.Sc.,U.C.W. Aberystwyth. 882 



XLVI. A new Species of Dwarf Potto. By Oodfield Thomas . 387 



XLVII. British Fossil Crinoids. — IX. Qydonocrinus parvuku, 

 n. g. et sp., Yoredale Beds, Yorkshire. By F. A. Bather, F.R.S. . 388 



XLVIII. Notes on the Lamellicorn Coleoptera of Japan and 

 Descriptions of a few new Species. By G. J. Arrow 394 



NUMBER 71. 



XLIX. On a small Collection of Marine Shells from Henderson 

 Island. By E. A. Smith, I.S.O. (Plate IX.) 409 



L. Some Notes on the Parasitic Copepod Thersitina gasterostei, 

 Pagenstecher. By Robert Gurney, M.A. (Plates X.-XHI.) .. 416 



LI. Synopsis of the Melolonthid Genus Ancistrosoma, with 

 Descriptions of new Species and an allied new Genus, hv G. J. 

 Arrow -1 -~> 



HI. New Minute Terrestrial and Aquatic Mollusca from the 

 Dutch East Indian Island of Beilan-Beilan, with Descriptions of 

 Four new Genera and Subgenera. By H. B. Preston, F.Z.S 132 



LIU. A new Variety of Polydesmus coriaceus, Torat, and Note on 

 a Centipede Monstrosity. By C. M. Selbie, B.Sc 4:)!) 



LIV. Some hitherto-undescribed Ipidce and Platypodidce from 

 India and Burma. By Lt.-Col. Winn Sampson, F.E.S 443 



LV. Note on the Voles of the orcadensis Group. By Martin 

 A. C. Hinton 452 



LVI. The Fishes of the San Juan River, Colombia. By C. Tate 

 Regan, M.A 462 



LVII. On the Shells known as Gemma, Parastarte, and Psephidia. 

 By A. J. Jukes-Browne, B.A., F.R.S 473 



LVIII. Rhynchotragus damarensis variant, subsp. u. By R. E. 

 Drake-Broc'kman, M.R.C.S., L.R.C.P., F.Z.S 481 



