84 



** Teeth four in an inch. 

 LAGENOEHYNCHUS ELECTEA, Gray. The Electra. 



Synonyms Lagenorhynchus electra, Gray, S. & "W., p. 268. 

 Electra oltusa, Gray ; Suppl., p. 70. 



Teeth 21-24 moderate, four in an inch. 

 Species described from a purchased skull. 

 Inhab: (?) 



LAGENOEHYNCHTJS ASIA, Gray. The Asia. 



Synonyms Lagenorhynchus Asia, Gray, S. & W., p. 269. 

 Electra Asia, Gray, Suppl., p. 76. 



Teeth 23:23' four in an inch. 



Described from a skull only, which although the beak is rather more 

 attenuated and acute in front, Dr. Gray suggests that it may be only 

 a variety of the preceding species, the L. Electra. 



Inhab: (?) 



LAGEH-QRHYNCHTJS FiJSiFOEMis, 1 Owen. The Spindle-shaped Dolphin. 



Synonyms DelpJiinus fusiformis, Owen. Trans. Zool. Soc., vol. vi., 



p. 22. 



Electra fusiformis, Gray. Suppl., p. 76. 

 Teeth jTai, about four in an inch. 



The upper portion of the body is of a light lead colour, fading into 

 light ashy-grey on the belly, and unspotted. The dorsal and fore parts 

 of pectoral and caudal fins are much the darkest coloured. The length 

 was about six feet. 



Inhab : "Waltair, Yizigapatam, India. 



LAGENOEHYNCHUS ActJTTis, 2 Gray. Eschricht's Dolphin. 



Synonyms Phoc&na acutus, Gray, 1828. 



Delphinus leucopleurus, Nilsson. 

 Lagenorhynchus acutus, Gray, S. & "W., p. 270. 

 Electra acuta, Gray, Suppl., p. 76. 

 Teeth 5^31, about four in an inch. 



Above black, lower part of the beak and the body, shining white ; 

 a white band forms a line under the dorsal to the base of the tail ; 

 above yellow, beneath white. 



The beak of the skull is more slender, and the teeth more numerous 

 than shown in those of any other species of this genus, yet this dolphin 

 is considered by some writers the same as the Lencopleurus, both 

 being about the same size, bearing a resemblance in the distribution of 

 the colouring, and inhabiting the same locality. 



1 fusu*, a spindle, &c. 



2 acutus, pointed, in allusion to the slender form of the beak of the skull. 



