336 MR. R. BROWN On'tHE MAMMALS OF GREENLAND. [May 28, 



Family Balsenopteridae. 

 Genus Physalus. 



P. antiquorum, Gray. 

 Genus Balaenoptera. 



B. gigas, Esclir.* 



• B. rostrata (Miill.), Gray. 

 Genus Megaptera. 



M. longimana, Gray. 

 Family Catodontidse. 

 Genus Catodoa. 



C. macrocephalus (Linn.), Lacej). 

 Family Delphinidse. 



Genus Delphinus. 



D. euphrosyne. Gray. 

 Genus Lagenorhynclius. 



L. albirostris, Gray. 



L. leucopleurus (Rasch), Gray. 

 Genus Orca. 



O. gladiator (Bonn.), Sund. 

 Genus Phocsena. 



P. communis, Brookes. 

 Genus Beluga. 



B. catodon (Linn.), Gray. 

 Genus Monodon. 



M. monoceros, Linn. 

 Genus Globiocephalus. 



G. svineval (Lacep.), Gray f . 

 Family Ziphiidse. 



Genus Hyperoodon. 



H. iii/rAjo/j/" (Bonn.), Lacep. 



H. latifrons. Gray. 



* Sibbahlius horculii, (Less), Gray, Proc. Zool. Soc. 1864, p. 223. 



t Bdphimts tursio, O. Fab. (Tursio truncatus. Gray); Grocnl. Nesernak. 



