Supplement to the catalogue of seals and whales in the British Museum

by John Edward Gray

Ziphius de Buenos Ayres, Gervais, Ostéog. Cét. t. 31. f. 5.

Inhab. Buenos Ayres.

Vertebræ 49: cervical 7, dorsal 10, lumbar 12, caudal 20.

2. PETRORHYNCHUS.

Petrorhynchus, Gray, Cat. S. & W. pp. 327, 342; Synops. Whales & Dolph. p. 10.

Skull trigonal. Vomer swollen, forming a large, elongated tubercle between the callous intermaxillaries. Intermaxillaries forming a deep basin round the nostrils.

1. Petrorhynchus mediterraneus.

Ziphius cavirostris, Gervais, Zool. et Paléon. Franç. t. 38. f. 2, t. 39. f. 1.

Ziphius du Canton Gironde, Ostéog. Cét. t. 21. fig. 6.

Ziphius fos. des Bouches du Rhône, Ostéog. Cét. t. 21. f. 7.