LELPHINID^E. — CXCI. 331 



1090. P. doris (Gray). Outline from foramen to crest curved; 

 cranium rounded ; occiput broad, rounded ; muzzle short ; its length 

 21 times its width at premaxillary notch. N. Atl. (not American ?) 

 (Eu.) (bopis, a sacrificial knife.) 



568. DELPHINUS Linnaeus. (deXcpls, dolphin.) 



1091. D. delphis L. Common Dolphin. Snout narrow, 

 sharp; occiput short, rounded. L. 10 feet. N. Atl., scarce on our 

 coast. (Eu.) 



569. PHOC.5JNA Cuvier. ((puucaiva, porpoise, from <pa>KT], seal.) 



1092. P. phocaena (L.). Common Harbor Porpoise. Puf- 

 .fixg Pig. Snuffer. Color nearly plain dusky above, paler 



below. L. 5 feet. N. Atl. and N. Pac. ; very common in surf 

 and near shore, ascending rivers. (Eu.) (P. brachycium Cope, 

 the E. American form, and P. lineata Cope, a form with a reddish 

 brown lateral band on sides separating the blackish back from the 

 white belly, are probably varieties of P. phoccena.) 



570. LAGENORHYNCHUS Gray. (Xdyrjvos, flagon ; 



pvyxos, snout.) 



1093. L. acutus Gray. Skunk Porpoise. Bay Porpoise. 

 Sides with broad stripes of white and yellow. L. 10 to 15 feet. 

 Coast of N. E. U. S., and in the open seas in large schools ; like 

 other porpoises, often swimming alongside of ships as if racing with 

 them. Common, used for bait. Two or three other species occur in 

 the N. Atl. (Eu.) 



571. GLOBICEPHALUS Lesson. (Lat., globus, globe ; 



K<<pahr), head.) 



1094. G. melas (Traill). Black Fish. Pilot Whale. Grind 

 Whale. Black ; P. about 4 in length. L. 20 feet. 1ST. Atl., 

 common, in large schools, S. to N. J. (ptXas, black.) (Eu.) 



1095. G. brachypterus Cope. Black; P. 6 in length. Coast 

 of X. J. and S. (fipa\vs, short; irrepov, fin.) 



572. ORCA Gray. (Latin name.) 



1096. O. orca (L.). Killer. Sword Grampus. Black, 

 white below. A most persistently voracious and destructive 

 cetacean, attacking all large sea animals, tunnies, sword-fishes, 

 seals, and all whales, even the largest, to the great annoyance of 

 fishermen. L. 20 feet or more. D. 6 feet high. Atl. (Eu.) (0. 

 gladiator Bonnaterre.) 



573. DELPHINAPTERUS Lace'pede. (8t\<f>is, dolphin ; 

 a, privative ; irrepov, fin.) 



1097. D. leucas (Pallas). White Whale. Beluga. Creamy 



