IV CONTENTS. 



Page 

 F.R.S. &c. — Illustrations of British Mycology, by Mrs.T. I. Hus- 

 sey 52 — 55 



Proceedings of the Zoological Society 55 — 70 



Researches to determine the Number of Species and the Mode of 

 Development of the British Triton, by J. Higginbottom, Esq., 

 F.R.C.S. &c. ; Meteorological Observations and Table 70 — 72 



NUMBER CXXXI. 



XI. On the Ventriculidce of the Chalk; including the description 

 of peculiar Characters of Structure observed in their Tissues. By 



J. Toulmin Smith, Esq. (With two Plates.) 73 



XII. On the Geographical Distribution and Classification of Zoo- 

 phytes. By James D. Dana 98 



XIII. On the Circulation in Insects. By Emile Blanchard 112 



XIV. The Microscopical Siliceous Polycystina of Barbados, and their 

 relation to existing Animals, as described in a Lecture by Professor 

 Ehrenberg of Berlin, delivered before the Royal Academy of Sciences 

 on the 11th February 1847. By Sir Robert H. Schomburgk. (With 

 two Plates.) 115 



New Book : — A Treatise on the Esculent Funguses of England, by 



C. D. Badham, M.D .". 128 



Proceedings of the Literary and Philosophical Society of St. Andrews ; 



Zoological Society..., 129 — 135 



Notice of the capture of Sylvia Turdoides (Meyer) in Britain, by John 

 Hancock, Esq. ; On the Habits of Cicada septendecim, by S. P. 

 Hildreth, M.D. ; Food of the Mastodon, by Prof. A. Gray ; On the 

 Moose and Carabou, and on the American Raven, by L. Agassiz ; 

 Pygorhynchus Gouldii, a new Echinus from the Millstone Grit of 

 Georgia, by M. Bouv6 ; Pyranga roseo-gularis, a new species 

 from Yucatan, by Dr. Cabot; Meteorological Observations and 

 Table 135—144 



NUMBER CXXXII. 



XV. On the Fossil Botany and Zoology of the Rocks associated 

 with the Coal of Australia. By Frederick M'Coy, M.G.S. & N.H.S.D. 

 &c. (With nine Plates.) 145 



XVI. Note on the Teredo norvegica (T. navalis, Turton, not Linn.), 

 Xylophaga dorsalis, Limnoria terebrans and Chelura terebrans, com- 

 bined in destroying the submerged wood-work at the harbour of Ar- 



