Page 



VIII. Observations oa the Solanaota. By John Miebs, Esq., 

 r,R.S., F.L.S 90 



IX. Descriptions of species belonging to the genera Pterocyclos and 

 Cyclostoma, from Cejlon and West Austraha. By W. H. Benson, 

 Esq. ...;..;. "y.i.!...,...^ 105 



X. On the Animal of Chamostrea alhida. By Albany Hancock, 

 Esq. (With two Plates.) 106 



XI. Supplement to a Catalogue of British Spiders, including remarks 

 on their Structure, Functions, (Economy, and Systematic Arrange- 

 ment. By John Blackwall, F.L.S 113 



XII. Observations on the Anatomy of Actinia. By T. Spencer 

 CoBBOLD, M.D., Vice-President of the Physiological Societj', Edin- 

 burgh 121 



XIII. On the Division of Ctenobranchous Gasteropodous MoUusca 

 into larger Groups and Families By J. E. Gray, Ph.D., F.R.S., 

 V.P.Z.S. &c 124 



Neiv Books .- — On the Growth of Plants in Closely Glazed Cases, by 



N. B. Ward, F.R.S., F.L.S 134 



Proceedings of the Linnsean Society ; Zoological Society ; Cork Cu- 



vierian Society 135 — 157 



On the Classification of Serpents, by M. C. Dumeril; On the Influ- 

 ence of Coal Gas upon A^egetation, by G. H. Ulex ; On the Habits 

 of the Wigeon, by Matthew. Moggridge; On the Relations be- 

 tween the Oxygen consumed by the Spadix of Arum italicum and 

 the Heat produced by it, by M. Garreau ; Meteorological Obser- 

 vations and Table 157—160 



NUMBER LXIII. 



XIV. Descriptions of some of the larger Forms of Fossihzed Fora- 

 minifera in Scinde; with Observations on then Internal Structure. 

 By H. J. Ca btee, Esq., Assistant Surgeon, Bombay Estabhshment. 

 (With a Plate.) 161 



XV. Further Notes on British Zoophytes, with descriptions of new 

 Species. By the Rev. Thomas Hincks, B.A. (With two Plates.) . 178 



XVI. Observations on the Genus Schwenkia. By John Miers, 



Esq., F.R.S., F.L.S 185 



/ 



XVII. Observations on Relative Position ; including a new Anange- 



