U. S. NATIONAL MUSEUM 



BULLETIN 36 PL. XXI 



Fig. I. Tursio peronii (Lacepede). 



(From Gray, Synopsis of the Whales and Dolphins, 1868, pi. 1 5, fig. 1.) 



''^^^^^'^^axmttmaiaam. 



Fig. 2. Tursio peronii (Lacepede). 



(From Van Beneden and Gervais, Osteographie, pi. 38, fig. 3.) 



Genus TURSIO. 



