CONTENTS. V 



Page 

 New Books: — The Natural History of Ireland. — Vols. I. and II. Birds, 

 comprising the Orders Raptores, Insessores, Itasores, and Gralla- 

 tores, by William Thompson, Esq 218 



Proceedings of the Zoological Society 224 — 2,33 



Notice of Powerful Bears, probably cogeval with the Great Fossil Deer 

 of Ireland ; On the employment of Tar to preserve Wheat from the 

 Attack of the Weevil, by M. Caillat ; Dr. Robert Ball ; Metamor- 

 phoses of Donatio, sagittaria ; Wild Animals of Ancient Britain ; 

 Errata'in Mr. Babington's paper on Chara ; Meteorological Ob- 

 servations and Table 234 — 240 



NUMBER XXVIII. 



XXII. Notes on the Salmon and Bull-trout. By John Blackwall, 

 F.L.S 241 



XXIII. Contributions to the Botany of South America. By John 

 Miers, Esq., F.R.S., F.L.S 247 



XXIV. Heights of some points of the Cotswold Hills, with some 

 experiments with the Aneroid Barometer. By W. Henry Hyett, 

 Esq., F.R.S 255 



XXV. On the Embryogeny of Hippuris vulgaris. By John Scott 

 Sanderson, F.B.S.E., Member of the Royal Medical Society of Edin- 

 burgh 259 



XXVI. Notice of some of the rarer Plants observed in Orkney 

 during the Summer of 1849. By John T. Syme, Esq 266 



XXVII. Descriptions of Aphides. By Francis Walker, F.L.S. ... 269 



XXVIII. Notes on a species of Hydra found in the Northumber- 

 land Lakes. By Albany Hancock, Esq. (With two Plates.) 281 



Proceedings of the Zoological Society; Botanical Society of Edin- 

 burgh 290—309 



Descriptions of new species of Birds of the Family Caprimulgidce, by 

 John Cassin ; Former existence of Gigantic Bears in Ireland ; On 

 some new genera and species of Entozoa, by Dr. Leidy ; On the 

 mouthless Acari which have been formed into the genus Hypopus, 

 by F. Dujardin ; Meteorological Observations and Table ... 310 — 320 



NUMBER XXIX. 



XXIX. On the Nostochinece. By John Ralfs, M.R.C.S. (With 

 two Plates.) 32J 



