I'OXTENTS. V 



NUMBER XXXIII. 



Page 



XXVI. Natural History Notes from H.M. Indian Marine Survey 

 Steamer * Investigator,' Commander R. F, Iloskyn, R.N., com- 

 manding . — No. 16. On the Bathybial Fi.shes collected in the Bay of 

 Bengal during the season 1889-90. By A. Ai.cock, M.B., Surgeon 

 I.M.S., Surgeon-Naturalist to the Survey. (Plates VIII. & IX.) . . 197 



XXVII. British Fossil Crinoids. — III. Thenarocrinvs callipygus, 

 gen. et sp. nov., Wenlock Limestone. By F. h.. Bather, M.A., 

 F.G.S. (Plate X.) 222 



XXVIII. On the Development of Pyrosoma. By Prof. W. Sa- 

 LENSKY 2.36 



XXIX. On supposed new Species of Land-Mollusca from Borneo 

 belonging to the Genera Opisthostoma and Diplommntina. Bv Lieut.- 

 Col. H. H. Godwin- Austen, F.R.S., F.Z.S., &c. (Plate VII.). ... 244 



XXX. Notes on Longicorn Coleoptera of the Group Cernmhycince, 

 with De.scriptions of new Genera and Species. By Charles J . Gahan, 

 M.A., Assistant in the Zoological Department, British Museum .... 247 



XXXI. Descriptions of new Species of African LyccenidcB, chiefly 

 from the Collections of Dr. Staudinger and Mr. Henley Grose Smith. 



By W. F. KiRBY, F.L.S., F.E.S., &c '. 261 



Leaf-winged Locust, by J. J. Quelch, B.Sc. ; On the Histological 

 Constitution of certain Nematodes of the Genus Ascaris, by M. 

 L^on Jammes 275, 276 



NUMBER XXXIV. 



XXXII. Notes on Slugs, chiefly in the Collection at the British 

 Museum. By T. D. A. Cockerell 277 



XXXIII. On the Relationship of the Rodentia to the Marsupialia. 



By Dr. A. Fleischmann 289 



XXXIV. Natural History Notes from H.M. Indian Marine Survey 

 Steamer * Investigator,' Commander R. F. Hoskyn, R.N., com- 

 manding. — No. 18. On the Bathybial Fishes of the Arabian Sea, 

 obtained during the season 1889-90. By A. Alcock, M.B., Surgeon 

 I.M.S., Surgeon Naturalist to the Survey 295 



XXXV. On the Ophidian Genus Pseudoxyrhopus, Gthr. By G. 



A. Boulenger 311 



XXXVI. A New Theory of Pierichthys. Bv A. Smith Wood- 

 ward, F.Z.S \ 314 



XXXVII. Notes on the Palaeozoic Bivalved Entomostraca. — 

 No. XXIX. On some Devonian Entomides. By Prof. T. Rupert 

 Jones, F.R.S., F.G.S. (Plate XI.) 317 



