CONTENTS. .Vll 



Page 

 the Expulsion of the Carbonic Acid from the Blood during 

 Respiration, by Dr. Ludvvig; "New Forms of MoUusks"? by 

 Lovell Reeve, Esq., F.L.S 437^440 



NUMBER LXXVIII. 



XLII. On the Classification of the Cyclostomacea of Eastern Asia. 

 By William T. Blanford, A.R.S.M., F.G.S 441 



XLIII. Notes on Irish Vespidcs. By Richard Lestock Edge- 

 worth, of Trinity College, Dublin 466 



XLrV. Diagnoses of new Forms of MoUusks collected at Cape 

 St. Lucas by Mr. J. Xantus. By Philip P. Carpenter, B.A., Ph.D. 474 



XLV. Histological Researches on the Formation, Development, 

 and Structure of the Vegetable Cell. By Prof. H. Karsten 4/9 



XLVI. On the Menispermacece. By John Miers, F.R.S., F.L.S. 

 &c 486 



XLVn. Descriptions of new Species of Helix and Pupa from the 

 Colony of the Cape of Good Hope. By W. H. Benson, Esq 491 



XLVIII. Note on the Habits of some Mexican Reptiles. By F. 

 Sumichrast 497 



XLIX. Observations on Raphides. By George Gulliver, 

 F.R.S 508 



New Books ■ — The Birds of India, &c., by T. C. Jerdon, Surgeon- 

 Major, Madras Army, Author of ' Illustrations of Indian Ornitho- 

 logy.' — A Flora of Ulster, and Botanist's Guide to the North of 

 Ireland, by G. Dickie, M.D., Prof, of Botany, Aberdeen... 511—516 



On Scientific Nomenclature, by Professor Asa Gray ; On the Roman 

 Imperial and Crested Eagles, by John Hogg, Esq., M.A., F.R.S., 

 F.L.S. &c. ; Note on the Climbing Habits of the Anabasscandens, 

 by Capt. Jesse Mitchell 517—523 



Index 524 



