CONTEXTS. Vn 



Page 

 Missonri : being the substance of a Report made to Lieut. 6. K. 

 Warren, T.E.U.S.A., by Dr. F. V. Hayden, &c. &c 3/1 



Proceedings of the Zoological Society 380 — 389 



* The Land and Freshwater Mollusks of the British Isles;' On the 

 true Nature of Pleurodyctium problematicum, by Carl Rominger, 

 M.D.; Piedmontese Plants ; Obituary Notice — WilUam Groves 

 Perry 389—392 



NUMBER LXVI. 



XLII. On the Capitellte and their Position in the System of the 

 Annehda. By Edward Grubk 393 



XLIII. Remarks on the Vessels of the Latex, the Vasa propria, 

 and the Receptacles of the elaborated Juices of Plants. By M. 

 Lestiboudois 402 



XLFV. On Acantholeberis (LiUjeborg), a Genus of Entomostraca 

 new to Great Britain. By the Rev. Alfred Merle Norman, M.A. 

 (Plate XI.) 409 



XLV. On the Form of the Cells made by various Wasps and by 

 the Honey Bee ; with an Appendix on the Origin of Species. By 

 the Rev. Samuel Haughtox, Fellow of Trinity College, Dublin... 415 



XL VI. On the former Connexion of North Afirica with South 

 Europe. By Prof. Edward Suess 429 



XL VII. Further Observations on Anuzba vittosa and other indi- 

 genous Rhizopods. By G. C. Wallich, M.D., F.L.S., F.G.S. &c. 

 (Plate X.) 434 



New Books : — A History of British SessOe-eyed Crustacea, by C. 

 Spence Bate, F.R.S., F.L.S. &c., and J. O. Westwood, M.A., 

 F.L.S. (Parts I.-XI.).— The Tropical Worid : a Popular Scientific 

 Account of the Natural History of the Animal and Vegetable . 

 Kingdoms in the Equatorial Regions, by Dr. G. Hartwig. — 

 Phosphorescence, or the Emission of Light by Minerals, Plants, 

 and Animals, by T. L. Phipson, Ph.D., F.C.S 454-^57 



Notice of three Wombats in the 2^logical Crardens ; on two Forms of 

 Anthriscus sylvestris ; on the Change in Form of the Teeth of 

 the Susu (Platanista), by Dr. J. E. Gray, F.R.S. &c. ; On the Oc- 

 ciurence of living Water-Beetles in the Intestines of the Common 

 Trout, by the Rev. W. Houghton ; Pretended " Parthenogenesis " 



