1 88 THE WHALEBONE WHALES OF THE WESTERN NORTH ATLANTIC. 



BALJENOPTERA MUSCULUS (L.). EUROPEAN AND AMERICAN. UPPER ARM-BONES. 



PHALANGES. 



The number of phalanges in the European specimens of B. musculus de- 

 scribed by various authors is as follows : 



BAL^NOPTERA MUSCULUS (L.). EUROPEAN. PHALANGES. 



The Ocean City whale had the following formula, according to Cope (31) : 4, 

 6, 5, 3. The phalanges in a Newfoundland foetus (from No. 14, left side) are as 

 follows : 5, 8, 7, 4. 



SUMMARY. 



The results of the foregoing discussion of American and European Sulphur- 

 bottoms may be summed up as follows : 



1. The average and maximum lengths of Norwegian specimens are greater than 

 those of Newfoundland specimens, which may be an actual difference or may result 

 from a difference in the system of measurements. As the same discrepancy is 



"In front." " Behind " = 26.2 in. 



" Behind," incl. olecranon, which is 6.9 in. 



* From Dubar's figure. 



' Including olecranon. 

 " In front " = 25 in. ' From a photograph. 



9 Including breadth of olecranon, which is 2.2 in. ' Exclusive of olecranon, which is about 7 in. 

 4 German measure. ' " De likaledes fullstandiga fingrarna." 10 " Artificially articulated." 



