Gray, J. E., Esq., F.R.S. &e. page 
On the Characters of the Genera Pusionella and Clavatula 56 
Description of a New Species of Monkey, recently living 
in the Society's Menagerie - - - + + + + + s+ * 77 
Synopsis of the Species of Antelopes and Strepsiceres, 
with descriptions of some New Species . .-.--- - lil 
Synopsis of the Species of Deer (Cervina), with the de- 
scription of a New Species in the Gardens of the Society . 222 
GruirritH, R. C., Esq. 
Exhibition of some specimens of the “ Tstetze SP ee Seer sd 
Gunn, Ronatp C., Esq. 
Letter relating to two living specimens of Thylacinus 
cynocephalus, presented to the Society by himself and Dr. 
James Grant of Launceston . - - + - = * * * °° 90 
Harpy, Lieut. 
Note upon Buceros Ginginianus (communicated by Colonel 
te Ae es: eee 
Hartravs, Dr. 
Note upon Turdus Vulpinus. - - - + + + * 3 * 276 
Keraart, Dr., F.L.S., Corr. Mem. 
Catalogue of the Mammalia of Ceylon. - - - + + + 155 
Lea, Isaac, Esq. 
Description of five New Species of Anodonte, collected 
by H. Cuming, Esq., in the East Indies - . « - + - + 197 
Lea, Isaac and HENRY C., Esqs- 
Description of a New Genus of the Family Melaniana, 
and of many New Species of the Genus Melania, chiefly 
collected by Hugh Cuming, Esq., during his Zoological 
Voyage in the East, and now first described. - - + - + 179 
Lowe, Rev. R. T., M.A. 
An account of Fishes discovered or observed in Madeira 
since the year 1842. - - - - ese stots - DAT 
MANTELL, Dr., F.R.S. &c. 
Notice of the Discovery by Mr. Walter Mantell in the 
Middle Island of New Zealand of a living specimen of the 
Notornis, a Bird of the Rail family allied to Brachypteryz, 
and hitherto unknown to Naturalists, except in a fossil state. 209 
