48 KSOriDF,. 



fins arc very largo and of a fine transparent blue colour; tlie 

 ventral fins long, and almost rounded at tlic end ; the dorsal 

 and anal fins arc falcate, beginning and ending nearly on the 

 same plane ; the tail consists of two unequally sized lobes, of 

 wliieli tlic lower lobe is the larger. The fin ray formula, ac- 

 cording to Bloch, is 



B, 10: D. 11: P. 18: V. 6 : A. 12: C. 22. 



According to M. Risso, the female is heavy with roe in 

 the spring, and is remarkable for the variations that occur in 

 the number of the rays of her fins. 



END OF THE SUPPLEMENT TO THE FIRST VOLUME, 



London : Printoil liv Sanni(>l P>piitlov, Banyor House, Shoe Lane. 



