INDEX. 
The names of New Species, and Species newly characterized, are printed in Roman 
Characters: those of Species previously known, but respecting which novel informa- 
tion is given, in /talics: those of Species respecting which Anatomical Observations 
are made, in CApira.s. 
Page 
Acanthocyathus Grayii, M.-Edw. et 
Ee Gee cat Mercere peecee caer FG 
PCCrOlherin 220d. onn<acossccsdaswaed. 158 
Acheus torquatus, Geoff. ........... ey 
Actias, Leach, .,.....0..ssee00s 36, 47, 48 
rhinos, LAN <p. scseeo os sevce othe 36 
Adapis .........+ Leas cB sSSodeanan edd nsaees 157 
Agelastes meleagrides, Temm., n. sp. 149 
Aglaia tau ...... Tiscts f Be i a ae 34 
Mlactaga, cs wees sehen Lead iawn lta 27 
Amnicola, Gray, 0. sp. «++.....+ cel G9 
Amnicola? antipodarum, Gray ...... 169 
? zelandia, Gray ........ daoaanesse 169 
Anomia acheus, Gray, n. Sp......-+-. 116 
acontes, Gray, N. SP. ...-eeeeee+- 116 
aculeata, Miiller..........++.s+... 115 
—— adamas, Gray, n. sp.-.....-..00. 117 
— alectus, Gray, 0. Sp. ...+0+.-200- LLY 
—— @nigmatica, AltOn........06.0+0+ 118 
—— amabexus, Gray, n. sp. ......-.. 115 
aspera, Philippi.....+...+++s0e0s. 115 
— belesis, Gray, n. sp. ...++++0e... 116 
— bifida, Chemn. ........se0e0e..002 115 
cepa, Dacosta.........++0-2+..0e0e 114 
coronata, Bean .........ss0+06... 115 
— costata, Brocchi......... mesigaisltctd 114 
— cucullata, Lamk. .........0+....-- 115 
— cylindrica, Gmelin.............+- 115 
— cymbiformis, Maton et Rac.... 115 
—— cytxum, Gray, n. sp........ stews RLS 
— dryas, Gray, 0. Sp....eeeeeeseee es 115 
— electrica, Linn. ............+0++-. 114 
elegans, Philippi ...2..-.-.0.-.0++- 115 
— elyros, Gray, . Sp. ....-.e00e-- 118 
—— ephippium, Defrance ............ 118 
—— ephippium, Linn. ..........0..-. 114 
— fidenas, Gray, 0. Sp. ....+-..2++- 116 
— fornicata, Lamk. ..............- 115 
—— hamillus, Gray, n. sp. ........-- 117 
—  lampe, Gray, n. Sp. ...0+....00 117 
— larbas, Gray, 0. Sp. ....-eee0ee+ 117 
— lens; Lamarck............... ie 115 
macrochisma, Deshayes........- 121 
margaritacea, Poli ........ ergos ue 
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Anomia membranacea, Lamk. 115 
naviformis, JONAS .....c.00+-200s 118 
patellaris, Lamk. .........0++..- 115 
patelliformis, Chemn. .......-- 115 
—— pA Niey jag earns agespavadess = 122. 
pectiniformis, Poli ............6+ 114 
—— pacilus, Gray, n. sp. ....0.--+... 117 
—— plicata, Brocchi...........0-+0... 114 
polymorpha, Philippi............ 114 
punctata, Chemn. .............+. 115 
—— pyriformis, Lamk..........-++... 115 
radiata, Brocchi ................ 114 
PORE, | GTAY. naan seenanacees<eeaee 118 
scabra, Solander, MS. ......... 115 
scabrella, Philippi ..........0.... 114 
— sulcata, Poli ............. iene 114 
Squama, GI. ......6eceeereeeeeee 122 
squamula, Linn........++...0.060- 115 
Striata, LOVEN ...sc00..cecceenens 122 
striatula, Brug. ....0.....s.000++- 115 
—— ——, Desh. ...............0008 LS 
undulata, Gite! f).eccescidecerds. 122 
— violacea, Brug. ............06 acu 4 
tenuistriata, Desh..........0++-++ 118 
ANCPLOTHERIUM «........cesseceacseees 151 
Anoplotherium © soo. cacesescesisdsoacne 158 
Anthias buphthalmos, Bonap.......... 145 
gibbiceps, Schi., n. sp. ......++- 145 
Anthracotherium .......00ecceceneceens 157 
ANRTB NaS (eB Sees: Agana 36 
Antilope). fir: cn casWaasas ticavdeatigicewase 157 
Antilope dorcas ....++seceveeees beads 94 
— MOULOTY Mdina vidin dv svdemesiesdes noes 94 
NasOMACUlAlA ...........20008 cota Ome 
Aphelia apollinaris, Boisd...........+- 61 
AP CE Sicischodsscissspatcatandele nih tele 
AV CORED. czer 122 Reareoaemadg donde 31 
Arctopithecus, Gray, n. g.......0000.+ 65 
Arctopithecus Blainvillei, Gray... 71, 73 
flaccidus, Gray ........ Soctpie' 72 
gularis, Gray, n. Sp. .....--+-+++ 70 
—— marmoratus, Gray............0+ 71 
problematicus, Gray, n. sp. ... 73 
Ardea goliath, Temm......0...se000+..- 106 
