SUPPLEMENTARY DUMBER, 



C O N T E N T S. 



XLVIII. Enumeration of Plants collected by Mr. Schomburgk in 

 British Guiana. By George Bentham, Esq., F.L.S (Continued). . 433 



LIX. On the Metamorphoses of the Crustacea. By Capt. C. 

 DuCane, R.N. (With a Plate.) 438 



L. Remarks on the Fumariacea. By George Dickie, Esq., 

 A.L.S,, Lecturer on Botany at Aberdeen 440 



BIBLIOGRAPHICAL NOTICES. 



A General Outline of the Animal Kingdom, by Thomas Rymer Jones, 

 F.L.S., Professor of Comparative Anatomy in King's College. 

 Parts I. to VI 443 



PROCEEDINGS OF LEARNED SOCIETIES. 



Zoological Society : — Observations on some Flying Lemurs, by Mr. 

 Waterhouse ; on the Osteology of the Marsupialia, by Prof. R. 

 Owen ; on two skulls of the full-grown Koala, by Prof. R. 

 Owen 445 — 454 



Linnsean Society : — Remarks on British Lichens and Fungi, by C. 

 Babington ; on a remarkable Gall, by M. J. Berkeley; on the deve- 

 lopment of the Theca, and on the Sexes in Mosses, by W. Valen- 

 tine , Anniversary Address of the President ; on Spongilla fiuvia- 

 ilis, with remarks on the Nature of Spongics marinne, by J. 

 Hogg 455—461 



MISCELLANEOUS. 



On the Structure of the Volvocina, by Prof. Ehrenberg 461 



Development of the Leguminosa, by Drs. Schleiden and Vogel .... 462 



On the Structure of the Scales^of Fish and Reptiles, by M. Maridl. . 463 



On Lemna arrhiza, by Dr. J. F. Hoffmann ib. 



Discovery of Mummies in Mexico 464 



On the Olfactory Senge of the Antennae, by A. Lefebvre ib. 



On the Geographical Distribution of Palms, by M. von Martins .... 465 



Meteorological Observations and Table . . ,. 465, 466, 



AND POUR PLATES 4. 



To illustrate various Articles in the Third Volume. 



