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. Hobsfield, 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. Apidee — Bees, by Frederick 

 Smith, M.E.S. — Proceedings of the Yorkshii-e 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 

 roiundifolia, 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. ; On the Spcraiatophora of the Crickets, by C. Lespes; 

 Meteorological Obsei-vations and Table 146 — 152 



NUMBER XCIII. 



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

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

 Crabs. By Professor Steenstbup 153 



XIV. Notes on Pala-ozoic Bivalved Entomostraca. No. II. Some 

 British and Foreign S})ccies of Beyrichia. By T. Rupert Jones, 

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



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



A. KiiouN. (Witli a Plate.) 1/6 



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



M. Valencienne.s 1/7 



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

 V.P.Z.S lf<3 



