CONTENTS OF VOL. II. 



[THIRD SERIES.] 



NUMBER VII. 



Page 



I. Observations on the Reproduction of certain Nostochinea. By 



M. G. Thuret. (With a Plate.) 1 



II. On some new Trilobites from Canadian Rocks. By E. J. Chap- 

 man, Prof, of Mineralogy and Geology, University College, Toronto. 9 



III. On the Structure of Humphreyia, an anomalous Bivalve Shell, 

 hitherto confounded with Aspergillum. By Dr. J. E. Gray, F.R.S., 

 V.P.Z.S. &c 16 



IV. On the Spermatology of a new species of Nais. By H. J. 

 Carter, Esq., H.C.S. Bombay. (With three Plates.) 20 



V. On the Winteraceee. By John Miers, F.R.S., F.L.S. &c. ... 33 



VI. Note on some specimens of CyprcBa (Cowries) from the Sand- 

 wich Islands. By Dr. J. E. Gray, F.R.S., V.P.Z.S. &c 49 



VII. A Notice of Nature- Printing of Sea-weeds on the Rocks in 



the vicinity of Stromness, Orkney. By Charles William Peach. 50 



New Books : — The Wonders of Geology, by Gideon Algernon Mantell, 

 LL.D. &c. Seventh Edition, revised and augmented by T. R. 

 Jones, F.G.S. — Flore de l'Ouest de la France, by J. Lloyd. — 

 Flore du Centre de la France et du Bassin de la Loire. Third 

 Edition, by A. Boreau 54 — 59 



Proceedings of the Royal Society; Zoological Society; Geological 



Society ; Royal In stitution of Great Britain 59 — 80 



Obituary Notice — Robert Brown, Esq. ; On the Anatomy of Tere- 

 bratula australis, by P. Gratiolet ; On the Torpidity of the Mar- 

 mot, by G. Valentin ; Description of Aphroceras, a new genus of 

 Calcareous Spongiadce, by Dr. J. E. Gray, F.R.S. &c; On the 

 Hypermetamorphosis and Habits of Sitaris, by M. Fabre ... 80 — 84 



