• • 



CONTENT*. VI l 



Page 

 XLIV. New Observations on the I Hmorphisui of the Foraminifera. 



By BOt Muxier-Ch almas and Schlumbkrger 886 



XLV. Descriptions of new Species of Lizards and Frogs collected 

 by Here A. Forrer in Mexico. By G. A. Boulkngeh 842 



XL VI. Contributions to onr Knowledge of the Sponffida. — Paehy- 



tragida. By H. J. Cabteb, F.R.S. &c, (Plates XI V. & X\ ) .... 344 



XLVH. New Genus of Spoil I. By II. J. Carter, F.RJS. fte. 

 (Plate XV. tig. 10, a-e.) * 869 



XL VIII. On Mttstela albinucha, Gray. By Oldfield Thomas, 



F.Z.S., British Museum 370 



Proceedings of the Geological Society 872 — 876 



New Books: — The Micrographic Dictionary : a Guide to the Exami- 

 nation and Investigation of the Structure and Nature of Micro- 

 scopic Objects. By J. W. Griffith, M.D., and Arthur 

 Henfrey. Fourth edition, edited by J. W. Griffith, assisted 

 by the Key. M. J. Berkeley and T. Rupbbt Jokes. — A Cata- 

 logue of the Collection of Birds formed by the late Hugh Edwin 

 Strickland, 31. A., F.R.S., Ac. By Osbert Salyix, M.A., 



F.R.S., Strickland Curator in the University of Cambridge. 

 Oyer den bouw der Schelpen van Braclriopoden en Chitooen. 

 (On the Structure of the Shells of Brachiopods and Chitons.) 



Doctor-Dissertation. By Dr. J. F. Van Bemmelix .... 370 — 379 



Echinoderms of the Norwegian North -Atlantic Expedition, by D. C. 

 Daniel-sen and J. Ivoren : Xote on a Peripatv* from the Island 

 of Dominica, West Indies, by Prof. Y. Jeffery Bell, M.A. ; The 

 Breeding of the ?a-Laraprey, by M. L. Ferry: On Ecogone 

 ( Eaotokas, Ehlers) pemmifera, Pagenst., by M. C. Viimier ; On 

 the Parasites of Ariodontajluwatilu, by Pro£ Leidy .... 3 w t — 391 



NUMBER LXVI. 



XLIX. Mediterranean M ollusca (No. 8) and other Invertebrata. 

 By J. Gwyn Jeffreys, LL.D., F.RJ9. (Plato XVI.) 393 



L. The Lepidoptera collected during the recent Expedition of 

 H.M.S. 'Challenger.' By Arthur G. Bctler. F.L.K., F.Z.S., 

 Assistant Keeper, Zoological Department, British Bfua um 402 



LI. On the Embryology of Hydra. By Dr. A. Korotneff .... 428 



LII. Notes on I 'oleoptera, with Descriptions of new Genera and 

 Species. — Part V. By Francis P. Pascor 436 



LIII. Report on the Polvzoa of the Queen Charlotte Islands. By 

 the Key. Thomas Hinckb, B.A., F.R.S. (Plates XVII. & XVIII.) 442 



New Books: — Ca -sell's Natural History. Edited by P. Martin 

 Duncan, M.B. (Lond.), F.R.S., &c. — Die Ammoniteu d« 

 schwabischeu Jura. By F. A. Qtenstedt 4ol — 455 



