INDEX TO VOL. V. 



*.;(;* The new genera and species described in this Volume, together with 

 the genera and species newly characterized, are distinguished by the Italic 

 character. 



PAGE 



Acanthopleura, a new genus of 



Chitonidae 27 



Achatina diaphana 342 



Donellii 342 



Sellovii 343 



sordida 343 



striyata 343 



Aconthea, a new genus of Lepi- 



dopterous Insects 66 



its metamorphosis 6(j 



Aconthea Alankara 66 



Apoturina 68 



Cocytina 67 



Lubenlina 66 



Acronolepia, a new genus of Le- 



pidopterous Insects 451 



quadricolor 452 



Aderus, a new genus of Coleop- 

 terous Insects 57 



Boleti 58 



Aeronautic Spiders, Notice of 



Mr. Blackwall's Examination 



of M. Virey's Observations on . 265 



AiKiN, W. 0., Esq., Note on the 



ash-coloured Harrier, Falco 



cinerarius, Mont 323 



Allen and Pepys, Messrs. Notice 

 of their Paper on the Respira- 

 tion of Birds 129 



Amblypodia, a new subgenus of 



Papilionidae 106 



Apidanus 107 



Contaurus 107 



Longinus 106 



PAGE 



Amblypodia Narana 107 



Sugriva 107 



Vivarna 107 



Ameiva vulgaris 423 



Amphibia, Notice of Dr. Ritgen's 

 Paper on the Natural Arrange- 

 ment of 377 



Ampkisa, a new genus of Tor- 



tricidae 113 



pectinata 113 



Walkerana 113 



Ampullaria Ciimingii 344 



Amydetes, Mr. Westwood's cha- 

 racters of the genus,and descrip- 

 tions of two species 62 



apicalis 63 



Vigorsii 64 



Anatina, Mr. S. Stutchbury on 



five new species of 95 



Anatina brevis 99 



crassa 100 



eUiptica 335 



elongata 100 



ovalis 100 



Pandoriformis 99 



Ancylus, Mr. Berkeley's Note 

 on Mr. Guilding's description 



of 269 



Ancylus fluviatilis 270 



lacustr^s 270 



Anguis Jamaicensis 423 



lumbricalis 423 



Anisocerus, a genus of Coleopte- 

 rous insects 222 



