Gkay, j. e., Esq. (coniinued.) page 



Characters of a New Genus of Molhisca {Nunina) 58 



Enumeration of the Species of the Genus Terebra, \vith 



Characters of many hitherto iindescribed 59 



Characters of T\vo New Genera of Reptiles (Geoemyda and 



Gehyra) 7 99 



Obsen'ations on the Red Viper, regarded as a "\'''ariety of 



the Common Species (Vipera Bėrus, Daud.) 101 



Arguments in favour of the parasitic Nature of the Ani- 



mals found in the Shells of the Genus Argonautą, Linn 120 



Characters of t\vo New Species of Šturgeon (Acipenser, 



Linn.) 122 



Characters of a New Genus of Reptiles (Lialis) from New 



South Wales 134 



Note on the Neiv Holland Ibis of Dr. Latham 135 



Obsen-ations on tw'o Species oifreshtvater Tortoises .... 135 



Hall, Marshall, m. d. 



Notės of Experiments on the Nerves in a Decapitated 

 Turtle 92 



Hancock, J., M. D. 



On the Lantern-fiy , and some other Insccts of Guiana. ... 19 



Hardwicke, Major-Gen. T. 



Description of a New Species of the genus Numida, Linn., 

 from Westem Africa 52 



Harvey, j. b., Esq. 



Notės on a Collection of Shells and Crustacea, formed on 

 the South Coast of Devonshire 28 



Heaene, j., Esq. 



Letter on vavious Zoological Subjects relatingto the Island 



of Hayti 25 



Letter accompanying a Present of several Living Animals 

 from the Island of Hayti 110 



Hemixg, — Esq. 



Note on a Remarkable Dilatation at the Base of the Lower 

 Jaw and Upper Part of the Throat in the Sioift (Cypselus 

 Apus, 111.) 92 



HoDGSON, B. H., Esq. 



Letter in relation to a Collection of Living Birds forwarded 

 by him from Nepaul for the Society's Menagerie 9 



Letter on various Zoological Subjects, with Additional Ob- 

 ser\'ations on the Chiru Antelope (Antilope Hodgsonii, Abel). . 80 



Letter on the Distinction bet\veen the Ghorcil {Antilope 

 Goral, Hard\v.) and Thdr (Antilope Thar, Hodgs.) 85 



On the Mmnmalia of Nepaul 95 



