CETACEA. 133 



grey; a white lateral line commences opposite the posterior edge 

 of the dorsal fin, and reaches the tail; beneath white, which joins 

 the grey of the side by an undulated line. Teeth J = 120. 

 Length 84, pectoral fin 16 inches. 



Inhab. South Atlantic Ocean ; Coast of Patagonia. 



9. Delphinus lateralis, J. Peak, U.S. Exp. Exped. 35 (t. 8. f. 1. 



hied.). 



Snout small ; body thick, but much compressed behind the 

 dorsal ; light purplish grey beneath, while a dark lateral line 

 edged with spots separates the colours of the upper and under 

 part of the body ; a separate line, paler in colour, branches 

 from the lateral line opposite the pectoral fin and passes down- 

 wards and backwards ; another connects the eye and pectoral 

 fin; fins and snout black. Teeth j ? 1 = 164. Length 90 

 inches. 



Inhab. Pacific Ocean, lat. 13 58' N., long. 161 22' W. 



10. Delphinus albimanus, J. Peale, U.S. Exp. Exped. 33 (t. /. 

 f. Lined.). 



Snout, head, back, tail and dorsal fin blue-black ; belly and 

 pectoral fin white ; sides pale tawny ; eyes small, brown, and 

 surrounded with a black ring, which joins the black of the 

 snout ; body between the dorsal fin and tail very much com- 

 pressed. Teeth f f -|f . ? Length 78 ; snout 5f ; pectoral 

 fin 11| ; of end of snout to eye 12 inches. 



Inhab. Coast of Chili. 



11. Delphinus albirostratus, J. Peale, U.S. Exp. Exped. 34 (t. 6. 



f. 2. ined.). 



Elongate, dorsal fin nearer the head, dark blue .grey; fins 

 and back nearly black ; a dark line connects the corner of the 

 mouth with the pectoral fin ; front and sides dark grey, covered 

 with small vermicular white spots; end of the snout white, 

 commissure of the lips pale yellow. 



Inhab. Pacific Ocean, lat. 2 47' S., long. 174 13' W. 

 22 Aug. 



The following species have been named and figured by the 

 sight caught of them when swimming ! 



D. albigenas, Quoy, l.c.t. 11. f. 2. 



D. rhinoceros, Quoy, 1. c. t. 11. f. 1, both from New Holland. 



D. lunatus, Lesson, Voy. Coq. t. 9. f. 4, Tunenas of the Chilians, 



from Chili. 

 D. leucocephalus, D. minimus and D. maculatus, Lesson, Voy. 



Coq. i. 183. 



