292 FAUNA AMERICANA. 



Dimensions. Medium length twenty-one or 

 twent} -four feet. 



Habit. Swimming with more facility than the 

 common Narwhal. 



Inhabit the fortieth decree of north latitude. 

 One was captured near Boston. M. Lacepede 

 thinks that the Narwhals, seen near Davis' Straits, 

 are related to this species. 



Species, 



* 3. Monodon andersoniamis, Desm. Mamm. p. 

 52.3. J^anvhal d'' Anderson, Lacep. p. 163. Mono- 

 don monoceros, Var. Bonnaterre, (Encycl. Cetolog. 

 p. 11.) Willughby, Ichthyol. lib. 2. p. 43. 



Char. Essent. Tusk uniform, and without spi- 

 ral grooves. 



Inhabits the North Sea. 



Second Division. 



Large headed Whales. 



The head forming one-third or one-half the 

 total length. 



Genus. 



Cachalot, Physeter, Linn. Erxleb. Schreb. Cuv 

 Lacep. Bonnat. 

 Cetus, Brisson. 

 Catodon, Linn. Lacep. 

 Physalis, Lacep. 



