APPENDIX 

 I. CLASSIFICATION OF THE CETACEA 



In order to make clear the relations to each other of the 

 whales and porpoises I have given below a classification and 

 brief diagnosis of the principal groups. The currently 

 accepted subfamilies of the Physeteridae and Platinistid^e 

 have been omitted for the purpose of simplifying the clas- 

 sification. 



Order Cetacea. Whales and Porpoises. 

 A. Suborder Mystacoceti. Whalebone Whales. 



I. Family Balaenidse. Right and Fin Whales. 



a. Subfamily Balaeninae. Right Whales. 



Head long skull much arched whale- 

 bone long and very fine no grooves on 

 ventral surface no dorsal fin greatest 

 length, 65 feet. 



b. Subfamily Bakenopterinae. Fin Whales. 



Head short skull slightly arched 

 whalebone short and coarse grooves on 

 ventral surface a dorsal fin greatest 

 length, 87 feet. 

 II. Family Neobalaenidae. Pigmy Right Whale. 



Head short skull greatly arched 

 whalebone long, slender and white no 

 ventral grooves a dorsal fin ribs very 

 broad and flat. 



III. Family Rhachianectidse. California Gray Whale. 

 Head short and moderately arched 



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