yO EPIODONTID^. 



1. EPIODON. 



Epiodon, Gray, I. c. pp. 327, 340 j Synops. Whales Sf Dolph. p. 10. 

 Skull : — vomer simple, small ; intermaxillaries elevated, and form- 

 ing a moderately deep, well-marked basin round the nostrils. 

 Fingers 5 ; carpal bones 6 ; phalanges 2, 3, 4, 3, 3. Sternal bones 

 separate from the front, lanceolate. YertelDrge 42 ; the " front 

 caudal with chevron bones. First four cervical vertebrse united by 

 their bodies into one mass " (Osteog. Get. t. 22. f. 4). 



1. Epiodon Desmarestii. 



Epiodon Desmarestii, Gray, I. c. p. 341 ; Synops. Whales 8f Dolph. 



p. 10. 

 Ziphius aresques, Gervais, Osteog. Cetac. t. 21. f. 1-4. 

 Ziphius decavirostris (de Z. aresques), Gervais. OsUog. C^t. t. 22, 



f. 4-11. 

 Ziphius cavirostris, Gervais, Zool. et PaUon. Francaise, t. 38. f. 1, 



t. 39. f. 2-7. 



Inhab. North Sea and Mediterranean, Herault. 



2. Epiodon australis. 



Ziphiorrhynchuscryptodon, Burmeister, Ann. 8f Mag. N. H. 1866, xvii. 



p. 94, t. 3. 

 Epiodon cryptodon, Burm. I. c. p. 303, t. 6 ; Gray, Synops. JVhales 8f 



Dolph. p. 10. 

 Delphinorhyncus australis, Burmeister, Zeitsch. Nat. vol. xxvi. 1865, 



p. 262 ; An. Mus. Buenos Ayres, t. 15-21. 

 Ziphius de Buenos Ayres, Gervais, Osteog. C6t. t. 31. f. 5. 



Inhab. Buenos Ayres. 



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



2. PETRORHYNCHUS. 



Petrorhyuchus, Gray, Cat. S. &■ W. pp. 327, 342 : Synops. Whales 

 8f Dolph. p. 10. 



SkuU trigonal. Vomer swollen, forming a large, elongated tu- 

 bercle between the callous intermaxillaries. Intermaxillaries form- 

 ing a deep basin round the nostrils. 



1. Petrorhynchus mediterranens. 

 Ziphius cavirostris, Gervais, Zool. et PaUon. Fran^. t. 38. f. 2, t. 39. 



Ziphius du Canton Gironde, Ostiog. CU. t. 21. fig. 6. 

 Ziphius fos. des Bouches du Rhone, OstSog. C4t. t. 21. f. 7. 

 Ziphius de Corse, Osteog. CU. t. 21. figs. 8, 9. 



Inhab. Mediterranean. 



2. Petrorhynchus capensis. B.M. 



Petrorhynchus capensis, Gray, I. c. p. 346, figs. 67, 68 ; Synops. 

 Tf hales ^ Dolph. p. 10. 



