INDEX OF SPECIES. 
Long-eared Viscacha (Lagolis Cuvieri), description 
of, page 46. 
Lucanus eratus, description of, 99. 
Downesii, description of, 99. 

Lyprops, characters of this new genus of Heterome- 
rous Coleoptera, 101. 
chrysophthalmus, description of, 101. 
Macronota tetraspilota, description of, 98. 
Macropus Parryi, an account and description of, 295. 
Mandarin Duck (Anas galericulata, Linn.), moulting 
of, &c., 18. 
Maneless Lion of Guzerat, account of, 165. 
Melolonthide, on anew genus of this family, 307. 
M’horr Antelope, Mr. Bennett on the, 1. 
Moth, on a species of, found inhabiting the galls of a 

plant near Monte Video, 311. 
Mygale, remarks on the natural history of, 190. 
Nephila clavipes, remarks on the natural history of 192. 
Nycteribia, observations upon this genus, 275; de- 
scriptions of species of, 288. 
Nycteribia biarticulata, description of, 292. 
Blainvillii, description of, 289. 
dubia, description of, 289. 
Dufourii, description of, 290. 
Hopei, description of, 289. 
Jenynsii, description of, 291. 
———— Latreillii, description of, 291. 
pedicularia, Latr., description of, 290. 


Roylit, description of, 290. 
——_—— Sykesii, description of, 288. 
—— vewata, description of, 291. 
Oiceoptoma tetraspilotum, description of, 93. 
Opilis auripennis, description of, 95. 

Orang-Utan, on the osteology of, 355. 
Orbicula, on the anatomy of, 145, 153. 
Orbicula Cumingii, description of, 143. 
— lamellosa, description of, 142. 
strigata, description of, 143. 

Ornithorhynchus paradozvus, Blum., on the young of, 
221; on the natural history and habits of, 229. 
Phenomeris, characters of this new genus of the 
family Melolonthide, 97. 
Phenomeris magnifica, description of, 98. 
Perennibranchiate Batrachia, on the structure of the 
heart of, 213. 
Pholidotus irroratus, description of, 100. 
Pica Sinensis, Gray, description of, 89. 
vagabunda, Wagler, description of, 89. 
Piesarthrius, a genus of the family Stenocoridz, 107. 



407 
Pithecus, characters of, page 373. 
Platycarcinus, Latr., observations upon, 335; cha- 
racters of, 336. 
Prionus Cumingii, description of, 105. ° 

Hayesii, description of, 104. 
Pertti, description of, 106. 

Ruff (Tringa pugnaz, Linn.), moulting of, 17. 
Scolecobrotus, a genus of the family Stenocoride, 
107; characters of, 109. 
Scolecobrotus Westwoodii, description of, 109. 
Semnopithecus, on the sacculated form of the stomach 
in this genus, 65; as observed in Semnopithecus 
Entellus, 65 ; in S. fascicularis, 67 ; the stomach 
compared with that of Cercopithecus and Ma- 
cacus, 68; and with the Sloths and certain Bats, 
69. 
Sepiola stenodactyla, description of this newspecies, 85. 

vulgaris, anatomy of, 77. 
Spheriodactylus cinereus, description of, 193. 
elegans, description of, 193. 
Siren lacertina, on the structure of the heart of, 215. 
Stenochoride, a tabular view of the genera contained 
in this family, 107. 
Stenocorus of Fabricius, this genus regarded as a fa- 
mily, 107. 
Strongylurus, a genus of the family Stenocoride, 107. 



Summer Duck (Azassponsa,Linn.),moulting of,&c.,18. 
Tape-worm, description of a new species of (Tenia 
lamelligera), 385. 
Terebratula, on the anatomy of, 145. 
Terebratula Chilensis, description of, 141. 
Uva, description of, 142. 
Tetracanthus, a genus of the family Stenocoridz, 107. 
Three-toed Sloth, observations on the neck of, 113. 
Tmesisternus, a genus of the family Stenocoride, 107. 
Trichina, description of thisnew genus of Entozoa, 319. 
Trichina spiralis, description of, 319. 
Tringa pugnaz, Linn., moulting of, 17. 
Trochilus colubris, notice of, 193. 
pectoralis, notice of, 193. 
Troglodytes, characters of, 372. 
Uracanthus, a genus of the family Stenocoride, 107; 
characters of, 108. 
Uracanthus triangularis, description of, 108. 
Urania, remarks on the natural history of, 179. 
Urania Fernandine, description of, 180. 
Solanus (Godart), description of, 180. 
Viverride, characters of a new genus of (Cryptoprocta 
Serox), 137. 

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