VI 



Gjiay, J. E., Esq. (continued.) page 



I'haracters of a New Genus of MolhiFca (Nanina) 58 



Enumeration of the Species of the Genus Terebra, with 



Characters of many hitherto undescribed 59 



Characters of Two New Genera oi Reptiles {Geoemyda and 



Gehyra) 7 99 



Obsen'ations on the Red Viper, regarded as a Variety of 



the Common Species {Vipera Berus, Daud.) 101 



Arguments in favour of the parasitic Nature of the Ani- 

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



Characters of two New Species of Sturgeon (Acipenser, 



Linn.) 1 22 



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



South Wales 134 



Note on the New Holland Ibis of Dr. Latham 135 



Observations on two Species of freshwater Tortoises .... 135 



Hall, Marshall, M.D. 



Notes of Experiments on the Nerves in a Decapitated 

 Turtle 92 



Hancock, J., M.D. 



On the Lantern-fly, and some other Insects of Guiana. ... 19 



Habdwicke, Major-Gen. T. 



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

 from Western Africa 52 



Hahvey, J. B., Esq. 



Notes on a Collection of Shells and Crustacea, formed on 

 the South Coast of Devonshire 28 



Hearne, J., Esq. 



Letter on various Zoological Subjects relating to the Island 



of Hayti 25 



Letter accompanying a Present of several Living Animals 

 from the Island of Hayti 110 



Heming, — Esq. 



Note on a Remai'kable Dilatation at the Base of the Lower 

 Jaw and Upper Part of the Throat in the Swift (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- 

 servations on the Chiru Antelope (Antilope Hodgsonii, Abel). . 80 



Letter on the Distinction between the Ghorcil {Antilope 

 Goral, Hardw.) and Thdr (Antilope Thar, Hodgs.) 85 



On the Mammalia of Nejiaul 95 



