212 



ELEVENTH GENUS. GLOBICEPHALUS. 



This genus is characterized by having no visible snout ; the 

 head is entirely globular, and the mouth is not so much at 

 its anterior extremity as at its under part. In this it re- 

 sembles the Beluga, but differs from it in having a dorsal 

 tin, as well as by many other marked distinctions. 



THE DEDUCTOR, OR CA'ING WHALE. 

 PLATE XVII. 



Globicephalus Deductor, Lesson. Delphinus Globiceps, Cu- 

 vier, Desm D. Deductor, Scorsehy D. Melas, Dr. Trail. . ' 



EGEDE is perhaps the first author who make* 

 mention of the Deductor, under the name of Buts- 

 head (Descrip. of Greenland^ 75) ; and he was soon 

 followed by Duhamel, who gave a figure of one. 

 taken at Havre, under the name of " the porpoise 

 with the round snout." In 1806, Dr. Neil, in an 

 appendix to his " Tour through some of the Island* 

 of Orkney and Shetland," gives a more extended 

 and interesting account of them, under the name of 

 \j yea-Sound or Ca'ing Whales, than any which had 

 previously appeared ; and tluee years after, Dr. Trail 

 published in Nicolson's Journal (1809) the first 

 accurate description of this species, giving it the 

 appellation of Delpkinus Melas, with a drawing 

 from his friend James Watson, Esq., which 



