VI CONTEN'TS. 



NUMBER HI. 



Page 



XLI. Nfitural History Notes from II. M. Indian Marine Purvey 

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

 manding.— Series II., No. 1. On the Results of Deep-sea Dredging 

 during the Season 1890-91. By J. Woon-MASON, Superintendent 

 of the Indian Museum, and Pr«ifessor of Comparative Anatomy in 

 the Medical College of Bengal, and A. Ai.cock, M.B., Surgeon 

 I.M.S., Surgeon-Naturalist to the Survey. (Plates XIV. & XV.) . . 205 



XLII. Description of a new Genu-i and some new Species of 

 Ileterocera from Central America. By Herbert Druce, F.L.S.. . 275 



XLIII. Observations on the Dentition of Mammals. By Dr. W. 



KUKENTUAL 2< 9 



XLIV. The Dentition of Didelphys : a Contributioo to the 

 Embryology of the Dentition of Marsupials. By Dr. W. Kukexthal 285 



XLV. Descriptions of new Genera and Species of Pyvalidce con- 

 tained in the British-Museum Collection. By W. Warrkx, M.A., 

 F.E.S 294 



XLVI. Notes on the Palaeozoic Bivalved Entomostraca. — 

 No. XXX. On Carboniferous Ostracoda from Mongolia. By T. 

 Rupert Jones, F.R.S., and James \V. Kirkby, Esq. (Plate XVI.) 302 



XL"\'II. Notes on the Variation of the Genus Anon, F^r. By 

 "Walter E. Collinge, Assistant Demonstrator in Zoology, St. 

 Andrews University 307 



XLYIII. Notes on Dr. AV. Kukeuthal's Discoveries in Mammalian 

 Dentition. By Oldfield Thomas 308 



XLIX. On some undescribed Cicadidce, with Synonvmical Notes. 

 By W. L. Distant '....* 313 



L. Contributions towards a General History of the Marine 

 Pulyzoa, 1880-91. — Appendix. By the Rev. Thomas IIincks, 

 li.A., F.II.S ' 327 



New Books: — Catalogue of the Typo Fossils in the Woodwardian 

 Museum, Cambridge. By IIknhy Woods, B.A., F.Ct.S. AVith 

 a Prelace by T. M-^Kenny IIiohes, M.A., F.R.S.— Dela-oa 

 Bay : its Natives and Natural Ilit-tory. By Rose Monteiro. 

 — La I'lume dos Oiseaux : hist* ire nnturello ot industrie. Piu- 

 Lacroix-Danliard. — L'amateur d'Oiseaux de Voliere. Par 

 Henri Moreau 334 — 330 



Note on Mr. Minchin's Paper on Ascetta, by R. v. Lendenfeld; 

 Gyni)ior/ii/nckus reptans, Rud., and its Migration, . by M. R. 

 Moniez ; On Coral-Reefs of the East- African Coivst, by Dr. A. 

 Ortmann, of Strassburg 337 — 330 



NUMBER LIII. 



LI. On some new Species of Ilisterulef. By G. Lewis, F.L.S. . .. 341 



LII. Natural Ilistmv Notes from II. M. Indian Marine Survey 

 Steamer * Inve.stigator,'' Commander R. F. Hoj-kui, R.N., com- 

 manding. — Serioi- II., No. 1. On the Results of Deep-sea Ihedging 



