INDEX OF SPECIES. 



553 



Cytherella ahjssorum, 407. 



beyricJii, 407. 



elliptica, 380, 407, 408. 



leioptycha, 408. 



nodosa, 380, 407, 408. 



parallela, 380, 407, 408. 



pulehra, 407. 



Cytheridea cypridioides, 380, 381, 397, 409. 



ehngata, 381, 406. 



fabceformis, 397. 



heterostirjma, 398. 



mulleri, 379, 380, 397, 398. 



papulosa, 380, 39G, 397,408. 



pinguis, 379, 380,307, 408. 



zetlandica, 381 . 



Cytherideis lithodomoides, 380, 381, 40.5, 406, 

 408. 



recta, 380, 406, 408. 



Cytherina fulva, 402. 



impressa, 401. 



intermedia, 398. 



mulleri, 398. 



parallela, 407. 



seminuZMm, 398. 



iumida, 401. 



C'ytheropteron convexum, 403. 



gradatum, 380, 403, 409. 



intermedium, 380, 403, 409. 



latissimum, 380, 403, 409. 



pipktrella, 380, 404, 409. 



Cytherura hroeckiana, 380, 381, 401, 409. 



eomwta, 380, 402, 409. 



fulva, 381 . 



Dactylethra capensis, 192. 



Delphinorhynchus micropterus, 415. 



Delphinus deiisirostris, 416. 



• sowerbyi, 415. 



(Heterodon") sowerbiensis, 415. 



Dendrocolaptes albicollis, 311. 



Dendr(£ca pennsylvanica, 263, 311, 313. 



. , skull of, 263. 



Dicholophus cristatus, 259. 



Dicrurus leucops, 311. 



Binornis (Part XXI.), by Professor Owen, contain- 

 ing a restoration of the skeleton of Dinornis 

 maximus, Owen, 147. 



, axial skeleton of, 42, 50. 



, characters of, 50. 



, characters common to the genus, 184. 



Dinornis, general comparison of the sternum of the 

 genus, 171-176. 



, pelvis of, 44. 



, plumage of, 184. 



, ribs of, 44. 



, specific modifications of the sternum of the 



genus, 175. 



, sternum of, 45. 



, vertebrae of, 42. 



and Apteryx, characters common to, 49. 



, Apteryx, Casiiarius, and Drornceus, charac- 

 ters common to, 47. 



australis, 1S6-188. 



casuarinus, 174, 302. 



crassus, 173, 175, 180,182, 183, 185. 



, skull of, 182. 



curtus, 174. 



didiformis, 42, 45, 174, 185. 



elephantopus, 45, 149, 151, 154, 155, 161, 164, 



172, 173, 175, 180, 185. 



giganteus, 147, 157, 161, 162, 174, 175, 185. 



• ■ , fifteenth vertebra of, 162. 



gravis, 187. 



ingeiis, 174, 181, 182, 183, 185. 



maximus, atlas or first vertebra of, 148. 



, axis, or second, vertebra of, 149, 150. 



, cervical, or third to the fifteenth, vertebrae 



of, 152-164. 



, caudal, or fortieth to the forty-eighth. 



vertebrK of, 178-181. 

 - . , dorsal, or sixteenth to the twenty-second, 



vertebrae of, 164^171. 



, general measurements of, 184. 



, sacral, or twenty-third to the thirty- 



ninth, vertebrfe of, 176-178. 



, sternum of, 171-175. 



, terminal caudals of, 180. 



rlieides, 45, 173, 175. 



robustus, 147, 148, 149, 151, 173, 175, 181, 



185. 



struthioides, 174, 185. 



(Palapteryx) crassus, 173. 



Dioplodon densirostris, 416. 



europceus, 416. 



gervaisii, 416. 



Dog-fish, the Lesser Spotted, see Scyllium cani- 



cula. 

 and Skate, the skull of the, as compared with 



that of the more generalized Selachians, of the 



