ATLANTIC KIGHT-'WHALE. 



391 



a rudimentary cervical rib with the true first dorsal rib, 

 similar to a malformation occasionally met with in the 

 human skeleton. 



In size, the Atlantic Right- Whale is inferior to the 

 Greenland species, and its average length may probably 

 be estimated at about forty to fifty feet. The following 

 measurements of the St. Sebastian young specimen are 

 given by M. Fischer {Ann. Sc. Nat., XV.) in metres and 

 feet : — 



Length from snout to tail 

 Circumference 

 Distance from snout to eye 

 Length of flipper 



M. Ft. In. 



7-56 26 9 



4-92' 17 5 



1-45 5 2 



1'06 2 6 



As already stated, our illustration is a copy of Dr. 

 Monedero's drawing of this young specimen, as engraved 

 in MM. Van Beneden and Gervais's " Osteographie des 

 C^taces." (Atlas, pi. VII., fig. I.) 



