O. LAGENORnYNCnUS. ^07 



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

 ■\ntli the pectoral fin ; front and sides dark grey, covered with small 

 vemiiciilar white spots ; end of the snout white, commissure of the 

 lips p;ile yellow. 



Inhab. Pacific Ocean, lat. 2° 47' S., long. 174° 13' W., 22 Aug. 



8. ? D. Bertini, Desm. Mamm. 516, from Dauphin de Bertui, Duhum. 

 Peck. ii._41. t. 10. f. 3 ; Gray, Cut. Cctac. £. M. 132. 

 Cachalot, jimior, Blainv. 



Beak distinct ; lower jaw toothless. 

 Inhab. ? 



The following species have been named and figured by the sight 

 caught of them when swimming ! (see Gray, Cat. Cetac. B. M. 1850, 

 133) :— 



D. albigenas, Quay, I. c. t. 11. f. 2. 



D. rliiuoceros, Qi(oy, I. c. 1. 11. f. 1, both from New Holland. 



D. limatus, Lesson, Voy. Coq. t. 9. f. 4, Timenas of the Chilians, from 



Chili. 

 D. leucocephalus, D. minimus, et D. macidatus, Lesson, Voy. Coq. i. 183. 



The following species have been named only from figures or very 

 slight descriptions : — 



D. Senedetta, D. Commersonii, D. niger, et D. Pemettii, Lacep. 

 U. Epidon et 1). Mongitori, Rajinesque. 



The Porpoises come up the backwaters of the coast of South Mala- 

 bar, in March, when they are salt, but the Susu I do not think is 

 known here. — Itev.H. Baher of AJi/ti, South Malahar; and Bh/th. 



Lacepcde described from a Chinese drawing (Mem. Mus. iv. 475) 

 Ddphinus nitjcr, black, with white edges to the lips and fins. 



Mr. Couch had been informed that a dolphin with two doi'sal fins 

 had been observed in April 1857, on the coast of Cornwall. (See 

 Couch, ' AVhales of Cornwall,' p. 40.) 



5. LAGENORHYNCHUS. 



Head convex, gradually slojung into the beak in front. Beak 

 short, tapering in front. Lower jaw longest. Body elongate, taper- 

 ing behind, largest at the pectoral fins. Pectoral fins far back, 

 elongate and slightly falcate. Dors^ fin high, falcate, beliind the 

 middle of the back. The bilck* with a' low, roimded, fin-like ridge 

 near the tail. Tail-lobes narrow, elongate. SkuU depressed, the 

 hinder ends of the maxillaiy bones cxi)aiulcd, horizontal, and thick- 

 ened on the edge ; crown shelving. The beak is short, broad, fiat 

 above and narrowed in front, and scarcely longer than the length of 

 the brain-ca\-ity. The triangle in front of the blowers is fiat, elon- 

 gate, and reaches beyond the middle of the nose of the skuU, and the 

 intermaxiUaries are separated by a deep groove filled with cartilage. 



Lagonoilivncluis, Grai/. Zool. Eirhus ^- Terror, Ql, 1846; Cat. Cetac. 

 B. M. IhoO, 97; R Z. S. 1S()3; 1864, 2:38. 



(J ram pus (pars), Gray, Spie. Zool. 2, 1828. 



Delphmus, sp., Brighttcell, Ann. <^- May. N. H. 1846. 



