U. S. NATIONAL MUSEUM 



BULLETIN 36, PL. XXXVI 



Fig. 1. Plioccena S2?inipinnis Burmeister. 



(From Burmeister, Anales del Museo Publico de Buenos Aires, i, 1864-'69, pi. 23, fig. 2.) 



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Fig. 2. Phoccena spinipinnis Burmeister. 



(From Burmeister, Anales del Museo Publico de Buenos Aires, i, 1864-'69, pi. 24, fig. 1.) 



Genus PHOC/ENA. 



