1 PHYSETEEIDiE. 



b. Imperfect skull, and portion of skeleton ; very young. 



(1378 6— GO. 12. 2. 3.) 

 Taken Avitli the last. Purchased. 



c. Imperfect cranium, and considerable portion of skeleton ; very 



old male. 



Orkneys. Purchased. 



Type of Jfyperoodon latifrom, Gray, Zool. Ereb. & Terr. pi. iv. ; 

 and of Lagenocetus Intifrona, Gray, P. Z. 8. 18(33, p. 200 ; Cat. 

 S. & W. p. 336, 1866 (cervical vertebrae figured). 



The maxillary crests are immensely developed. 



d. Skeleton ; female or young male ; imperfect. (1378 c.) 



2. Hyperoodon planifrons. 



(Southern Bottlenose ^S'hale.) 



H. planifrons, Flower, P. Z. S. 1882, p. 392. 



o. "Waterworn and mutilated cranium. (1814 a — 82. 3. 24. 1.) 



Lewis Island, Dampier Archipelago, Australia. Purchased. 



Type of species, P. Z. S. 1882, p. 392. 



4. ZIPHIUS. 

 Ziphius, Cuvier, Ossemens Fossiles, 2nd ed. v. p. 352 (1823). 



1. Ziphius cavirostris, 

 Ziphius cavirostris, Cuvier, loc. ciL 



a. Imperfect skeleton. (1517 h — 78. 10. 25. 1.) 



Cape of Good Hope. Purchased. 



b. Skull; adult. (1517 «— 69. 4. 5. 1.) 



Cape of Good Hope. Trustees of the 



South-African Museum, 1869 [P.]. 



Tvpe of Petrorhynchus capensis. Gray, P. Z. S. 1865, p. 528. 

 Figured under this name in Cat. S. & W. (1866), pp. 344, 345. 



Described by Owen (British Crag Cetacea, Palseontogr. Soc. 

 1870), and iigured in Tan Benedcn and Gervais, Osteographie des 

 Cetaces, pi. xxi. fig. 10. Closely resembles the specimen described 

 in 1863 by Van Beneden as Ziplilus indicus (Mem. Acad. Koy. 

 de Belgique, 8vo, xvi.). 



2. Ziphius chathamensis. 



Epiodon chathamiensis. Hector, Tr. N. Z. Inst. v. p. 164 (1873). 

 The specific distinction between this and the last is not well 

 established. 



a. Articulated skeleton. 



Kew Zealand. Purchased through Dr. von Haast. 



The teeth are small and pointed, thus differing from the 

 following. This may be a sexual character. 



