500 
Odontolabis sommeri, 390, 416, 417, 418, 467, 469, 
483, 485, 486, 487, 491. 
—_— stevensi, 385, 389, 408, 410, 412, 434, 447, 
449, 465, 484, 487, 489. 
—— — , var. bidentata, 448, 449. 
—_— striatus, 418, 433, 477, 478, 483, 484, 487. 
—— ursus, 394, 445, 487. 
—— vishnu, 394, 446, 487. 
vollenhoveni, 413, 414, 458, 485, 486, 487, 
490. 
wollastoni, 385, 391, 393, 413, 415, 416, 434, 
457, 459, 460, 461, 462, 463, 464, 465, 483, 
485, 487, 490. 
Ommastrephes bartramii, 144, 145, 
duvaucellii, 158. 
—— ensifer, 144, 146, 148, 152, 161, 169. 
— giganteus, 165. 
—— illecebrosa, 164. 
— oualaniensis, 144. 
pelagicus, 164. 
pteropus, 165, 
sagittatus, 145, 162. 
vanicoriensis, 164. 
Onychoteuthis banksti, 148, 149. 
bergu, 148, 
raptor, 148, 149, 151, 152, 153, 154, 155, 
169, 
Ophideres ancilla, 67. 76. 
archon, 71. 
aurantia, 69. 
— bilineosa, 67. 
cajeta, 64, 67. 
cocalus, 73. 
—— diserepans, 71. 
dividens, 72, 
fullonica, 64. 
hypermnestra, 73. 
imperator, 63. 
materna, 74. 
multiscripta, 67. 
plana, 73. 
princeps, 63, 
salaminia, 71, 
—— tyrannus, 69, 
Ophiderine, on the genera and species of the Lepi- 
dopterous subfamily, inhabiting the Indian 
Region, 63-76, 
Otaria californiana, 225, 
INDEX OF SPECIES. 
 Otaria gillespii, notes on the external characters and 
anatomy of, 225-231. 
—— ——,, coloration of, 227, 228. 
, external measurements of, 226. 
—— ——, hind limbs of, 228. 
, pectoral fins of, 228. 
—— ——,, visceral anatomy of, 228-231, 
—— jubata, 225, 226, 227, 228, 229, 230, 231. 
—— stelleri, 225, 
Othreis ancilla, 67. 
cajeta, 67, 76. 
—— fullonica, 64, 66, 76. 
homaéna, 67. 
—— pomona, 64, 
—— smaragdipicta, 68. 
Otis tarda, 250. 
Ovis aries, 12, : 
Owen, Professor. Descriptions of some new and 
rare Cephalopoda, 131-170. : 
—— ——. On Dinornis (Part XXIII.), containing a 
description of the skeleton of Dinornis parvus, 
233-256, 
On Dinornis (Part XXIYV.), containing 
a description of the head and feet, with their 
dried integuments, of an individual of the 
species Dinornis didinus, 257-261. 
——.~- Description of a portion of mandible 
and teeth of a large extinct Kangaroo (Pulor- 
chestes crassus) from ancient fluyiatile drift, 
Queensland, 7-10. 
Paleognathus succinifer, 482. 
Palorchestes azael, 7, 8, 9. 
crassus, description of a portion of mandible 
and teeth of, 7-10. 
, admeasurements of portion of mandible 
of, 9. 
Parker, T. J. On the intestinal valve in the genus 
Raia, 49-61. 
Parker, W. K. On the structure of the skull in the 
Chameleons, 77-105. 
On the structure and development. of 
the skull in the Crocodilia, 263-310, 
On the structure and development of 
the skull in the Urodeles, 171-214. 
Perothis escholtzii, 140, 
-—— pellucida, 140. 
Phalena pomona, 64, 
strigata, 67. 
