CONTENTS. Vll 



l'age 

 NUMBER XII. 



XXXVIII. On the Amber Beds of East Prussia. By Dr. K.Thomas. 

 Communicated by the Rev. M. J. Berkeley, M.A., F.L.S 360 



XXXIX. On three species of Mould detected by Dr. Thomas in the 

 Amber of East Prussia. By the Rev. M. J. Berkeley, M.A., F.L.S. 

 (With two Plates.) 380 



XL. On the present state of our knowledge of the Ornithology of 

 Madagascar. By Dr. G. Hartlaub of Bremen 383 



XLI. Description of a new British Limncea. By Joshua Alder, 

 Esq. (With a Plate.) > 396 



XLII. On some new Mesozoic Radiata. By Frederick M'Coy, 

 M.G.S. & N.H.S.D. &c 397 



XLIII. Descriptions of Aphides. By Francis Walker, F.L.S. ... 421 



XLIV. Algae Orientales : — Descriptions of new Species belonging 

 to the genus Sargassum. By R. K, Greville, LL.D. &c. (With a 

 Plate.) , 431 



XLV. On the Arrangement of the Brachiopoda. By J. E. Gray, 

 Esq., F.R.S 435 



New Books : — The Ferns of Britain and their Allies ; comprising Equi- 

 setaceae, Filicaceae, Lycopodiacese and Marsileacese, by R. Deakin, 

 M.D. — A Handbook of British Ferns intended as a guide and com- 

 panion in Fern Culture, and comprising scientific and popular de- 

 scriptions, with engravings of all the species indigenous to Britain, 

 with remarks on their history and cultivation, by Thomas Moore, 

 Esq. — The Dodo and its kindred ; or the History, Affinities, and 

 Osteology of the Dodo, Solitaire, and other extinct Birds of the 

 Islands Mauritius, Rodriguez, and Bourbon, by H. E. Strick- 

 land, M.A., F.G.S. ; F.R.G.S.; and A. G. Melville, M.D. Edin., 

 M.R.C.S.— Outlines of Botany, Part I., by W. Maten, M.D. 440—448 



Proceedings of the Zoological Society 449—457 



How to prevent the Attacks of the Bed-bug, Cimex lectularius, by 

 Walter White, Esq. ; The Sea-Serpent; Description of a new spe- 

 cies of Smynthurus (S. baulastrinus)> by J. Hardy, Esq. ; The 

 Liquidamber Tree of the Tenasserim Provinces, by the Rev. F. 

 Mason; Meteorological Observations and Table 457 — 466 



Index 467 



