SYNOPSIS OF THE 



yond one half the middle of the back ; upper parts black ; 

 under white. 



Delphinus Delphis, Linn., Lacepede, Bonnaterre, 8fC. 



Icon. Encyc. Cetologie, pi. 9, 10. fig. 2. 



Habitat. The Seas of Europe. 



904. 2. D. Tursio (Great Dolphin.) Jaws moderate, 

 the lower a little longer; teeth strait, obtuse, three and 

 twenty in each side above, and one and twenty below ; 

 dorsal fin as in the last ; back blackish ; belly white. 



Delphinus Tursio. Nesarnak, 5o7Z7ia^. Ce^o/. Delphinus 

 Delphis, Hunter. Coudin or Caudrieu, Duhamel. Lacep. 

 Icon. Encyc. Cetol. Hunter. 

 Habitat. European Seas. 



905. 3. D. Nesarnak. Compressed muzzle ; teeth twenty 

 or twenty-three on each side ; thick, strong, obtuse, and 

 couched obliquely from front to back, below, and the reverse 

 above ; body thick. 



Nesarnak, 0th. Fabricius. 



Icon. 



Habitat. Sea of Groenland. 



906. 4. D. Niger (Black Dolphin.) Muzzle flat and 

 elongated ; above twelve teeth on each side ; very small 

 dorsal fin near the caudal ; general colour black ; commis- 

 sure of the lips, edge of the pectoral and dorsal fins, white. 



Delphinus Niger, Lacep. 



Icon. 



Habitat. Japanese Seas. 



N. B. Known only from a figure seen by M. de Lacepede. 



907. 5. D. Rostratus (Slender-beaked Dolphin.) Long . 

 slender muzzle ; teeth twenty-two to twenty- six on each 

 side; conical, a little curved, with rugous surface. 



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