I N D E X. 



The names of New Species, and Species newly characterized, are priiited in Roman 

 Characters : those of Species previously known, but respecting which novel Informa- 

 tion is given, in Italicu : those of Species respecting whicli Anatomical Observations 

 are made, in Capitals. 



Page 

 Acanthocyathus Grayii, M.-Edw. et 



Hairae 76 



Acerotherium 158 



Acheus torguatus, Geoff. 67 



Actias, heach 36,47,48 



Actias Urna, hinn 36 



Adapis 157 



Agelastes meleagrides, Temm., n. sp. 145 



Aylaia tau 34 



Alactaga 27 



Amnicola, Gray, n. sp 169 



Amnicola} antipodarum, Gtay 169 



? zelandieB, Gray 169 



Anomia adia;us, Gray, n. sp 116 



acontes, Gray, n. sp 116 



aculeata, Miiller 115 



adamas, Gray, n. sp 117 



alectus, Gray, n. sp 117 



amigmatica, Alton 118 



amaba;us, Gray, n. sp 115 



agpera, Philippi 115 



belesis, Cray, n. sp 116 



4Į/;da, Chemn 115 



cepa, Dacosta 114 



corona^a, Bean 115 



costata, Brocchi 114 



cucullata, Lamk 115 



cyliridrica, Gmelin 115 



cymbiformis, Maton et Rac. ... 115 



cytajum, Gray, n. sp 115 



dryas, Gray, n. sp 115 



electrica, lArm 114 



elegans, Philippi 115 



elyros, G/'oy, n. sp 118 



ephippium, Defrance 118 



ephippium, Linn 114 



tidenas, Gray, n. sp 116 



fornicata, Lamk 115 



— : — hamillus, Gray, n. sp 117 



lampe, Gray, n. sp 117 



larbas, Gray, n. sp 117 



/en«( Laniarck 115 



maerochisma, Deshayes 121 



margariiacea, Poli 114 



Page 



Anomia membranacea, Lamk 115 



nai'{/ormw. Jonas 118 



pateltaris, Lamk 115 



patelliformis, Chemn 115 



.Linn 122- 



pectinįformis. Poli 114 



pacilus, Gray, n. sp 117 



plieata, Brocchi 114 



polymorpha, Philippi 114 



punclata, Chemn 115 



pyriformis, Lamk 115 



rarft'a/a, Brocchi 114 



rosea, Gray 118 



.scaira, Solander, MS 115 



scabrella, Philippi 114 



SMfca^a, Poli 114 



sguama, Gra 122 



sguamula, Linn 115 



striata, hoyen 122 



striatula, Brug 115 



, Desh 118 



nndulata, Gm 122 



ij/o/acea, Brug 114 



tenuislriata, Desh 118 



Anoplotherium 151 



Anoplotherium 158 



Anthias bnphthalmos, Bonap 145 



gibbiceps, 5eW., n. sp 145 



Anthracotherium 157 



Antia 36 



Anlilope 157 



Antilope dorcas 94 



leucorya; 94 



nasomaeidala 94 



Aphelia apoltinaris, Boisd 61 



Arca 31 



Arcaeea 31 



Arctopithecus, Gray, n. g 65 



Arctopithecus Blainvillei, Gray... 71, 73 



flaccidus, Gray 72 



gularis, Gray, n. sp 70 



marmoratus, Gray 71 



problematicus, Gray, n. sp. ... 73 



Ardca goliath, Temm 106 



