12 



CALIFORNIA MAMMALS. 



lished in 1874. As it is now veiy scarce and inaccessible to the 

 general public I shall give considerable space to extracts from it. 

 I have very little direct personal knowledge of this order. 



Suborder Mystacete. ( ^Mustache — whale. ) 

 No teeth present after birth : upper jaws furnished with 

 plates of baleen (whalebone;) rami of lower jaw connected by 

 fibrous tissue and not by a suture; olfactory oigan developed; 

 spiracle double. 



Family Balaenidse. Whalebone Whales. 

 Lower jaw very thick and deep; cleft of mouth curved; skull 

 svmmetrical. 



1. Sulphur-bottom Whale. 



2. Oregon Finback Whale. 



3. Sharp-headed Finner Whale. 



Pacific Humpback WhaJe, 

 California Gray Whale. 

 Pacific Right Whale. 



