CONTENTS OF VOL. XV. 



NUiMBER XCV. 



Page 



I. On the Anatomy of EoUs, a genus of Mollusks of the order Nu- 

 dibranchiata. By Albany Hancock and Dennis Emeleton, M.D., 

 F.R.C.S.E., Lecturer on Anatomy and Physiology in the Newcastle- 

 upon-Tyne School of Medicine. (With five Plates.) 1 



II. Memoirs on Geographic Botany. By Richard Brinsley Hinds, 

 Surgeon R.N., F.R. Coll. Surg 11 



III. On the Occurrence of the genus Pollicipes in the Oxford Clay. 



By John Morris, Esq. (With a Plate.) SO 



IV. Description of some new species of the genus Ancyloceras. By 

 John Morris, Esq. (With a Plate.) 31 



V. Descriptions of a new genus and some new species of Homopte- 

 rous Insects from the East in the Collection of the British Museum. 



By Adam White, Assistant Zool. Dep. Brit. Mus 34 



VI. Descriptions of two apparently new species of Lamellicorn 

 Beetles. By Adam White, Assistant Zool. Dep. Brit. Mus 38 



VII. Description of a new species of Melanogaster. By C. E. 

 Broome, Esq 41 



VIII. On the Laws which regulate the Geographical Distribution of 

 Littoral Mollusca. By M. Alcide d'Orbigny 42 



New Books : — Elements of Comparative Anatomy, by Rud. Wagner, 



M.D. ; translated from the German by Alfred Tulk, M.R.C.S.E. . 45 



Proceedings of the Zoological Society ; Botanical Society of Edinburgh ; 



Geological Society 46 — 68 



Submarine Explorations by M. Milne Edwards; Observations on some 

 Polypes ; Food of the Australian Natives; Mr. Schomburgk's Col- 

 lections in Guiana; Meteorological Observations and Table ... 68 — 72 



NUMBER XCVI. 



IX. Description of some Animals found amongst the Gulf-weed. By 

 Harry D. S. Goodsir, M.W.S. (With a Plate.) .'. 73 



