THE WHALEBONE WHALES OF THE WESTERN NORTH ATLANTIC. 



253 



BAL^ENA GLACIALIS BONNATERRE. EUROPEAN AND AMERICAN. SKULL. 



1 From "hind angle," i. e.. base of rostrum; hence smaller. s From figure. 3 Least, from figure. 



4 On comparing Gasco's figures it will be seen that the rostrum in the top view is much too short. 5 Straight. 



* Total length given only approximately by Capellini ; hence taken from Gasco, 2.27 m. 



1 " From point of meeting of internal lateral margin with inferior margin of thecondyle" ; hence, asmaller per cent. 

 8 Caudals spaced too much, From Manigault. I0 Least. " Twice yi. 



