■ra» 



EXPLANATION OF PLATE XV. 



Bones from specimen of Balaenoptera from head of Bay of J3engal 

 (Noakliali). 



Fig. 1. — Articular surface of atlas vertebra. 



,, 2. — Lateral view of atlas vertebra. 



Figs. 3 & 4.— First rib. 



Specimen (b), Sclater, Cat. Mamm. Iiid. Mus., II, ]). 314. 



