268 THE WHALEBOIST; whales of the western north ATLANTIC. 



Note. — Since the foregoing account of Balana glacialis was written, I have received from Mr. 

 J. Henry Blake of Cambridge, Mass., some measurements of the male specimen found dead off 

 Highland, Cape Cod, Mass., April, 1895. These are as follows: 



ft. in. Per cent. 



Total length, tip of lower jaw to notch of flukes 42 5 loo.o 



Tip of lower jaw to ant. insertion of pectoral 17 o 40.0 



Upper jaw to blowhole 9 2 21.6 



" " " ant. insertion of pectoral 14 o 33.0 



Length of pectoral from anterior insertion 6 o 14.1 



Breadth of pectoral 2 9 6.5 



Breadth of flukes (tip to notch and notch to tip again) 13 6 31.8 



Length of blowholes o 8 .... 



Distance between blowholes anteriorly o 7 .... 



Longest whalebone 5 6 .... 



A large, flat knob, or "bonnet," near tip of upper jaw. 



Several large, long knobs on the median line of the caudal peduncle superiorly, near the flukes. 



Notch of flukes narrow and deep. 



Whalebone all black. 



This individual is figured on^plate 46, figs, i, 2. 



