IV CONTENTS. 



Page 



VIII. On a new Genus of Fossil Cidaridce, with a Synopsis of the 

 Species included therein. By Thomas Wright, M.D., F.R.S.E. ... 94 



IX. Brief Notices of several new or little-known species of Mam- 

 malia, lately discovered and collected in Nepal, by Brian Houghton 

 Hodgson, Esq. By T. Horsfield, M.D 101 



X. On the Assiminia Grayana and Rissoa anatina. By William 

 Clark, Esq *. 114 



XI. Descriptions of two newly discovered species of Araneidea. By 

 John Blackwall, F.L.S 120 



XII. Note on the Descent of Glaciers. By J. Gwyn Jeffreys, 

 Esq., F.R.S 122 



New Books : — Catalogue of British Hymenoptera in the Collection 

 of the British Museum. Part I. Apidce — Bees, by Frederick 

 Smith, M.E.S. — Proceedings of the Yorkshire Philosophical 

 Society 124—128 



Proceedings of the Zoological Society; Botanical Society of Edin- 

 burgh 128—146 



On the Organization of the Pedicellate Glands of the Leaf of Drosera 

 rotundifolia, by M. A. Trecul; On a new Organ observed in Cal- 

 litriche {C. platycarpa, &c.), by M. A. Chatin; Description of a 

 new Tanager of the Genus Calliste, by Philip Lutley Sclater, 

 M.A.J On the Spermatophora of the Crickets, by C. Lespes; 

 Meteorological Observations and Table 146 — 152 



NUMBER XCIII. 



XIII. Observations on the Genera Pachybdella (Diesing) and Pel- 

 togaster (Rathke), two animal forms parasitic upon the abdomen of 

 Crabs. By Professor Steenstrup 153 



XIV. Notes on Palaeozoic Bivalved Entomostraca. No. II. Some 

 British and Foreign Species of Beyrichia. By T. Rupert Jones, 

 F.G.S. (With a Plate.) 163 



XV. On the Heart and Circulation in the Pycnogonidee. By Dr. 



A. Krohn. (With a Plate.) 176 



XVI. Abstract of a Monograph of the Family Gorgonidee. By 



M. Valenciennes 177 



XVII. On the Genus Assiminia. By Dr. J. E. Gray, F.R.S., 

 V.P.Z.S 183 



