I'i'i IJULLETIX 3r., UxNITEl) STATES NATIONAL MUSEUM. 



Taljlc of meastireiaeiits. 

 PHOC^XA COMMUNIS. 



fell j to 



^ i ►^ 



13301 I 

 9157 I 



Cm. I Cm. 

 11.9 ! 



Cm. j Cm. i Cm. I Cm. 

 CO 4.1 I I 



12.1 



11.3 



11.4 

 13.7 



1 12.3 



12.7 



11.0 



3.5 



18.4 

 18.1 



13.9 



4.6 3.6 



0.0 I 4. 3 i 23.1 



5. 9 I 4. 20. 1 



j ! 



6. 3 ! 3.8 21.6 



2.5 

 2.0 



Cm. \ Cm. 1 Cm. 



2.9 

 2.8 

 2.9 1 9.4 



20.1 2.4 9.4 



5.0 



4 7 



2.0 

 3.5 



26-26 

 ?— ? 

 2 7—25 

 2'0-25 

 26 -25 

 27—24 



0.4 

 5.4 



5.7 

 5.3 



PHOC^ENA SPINIPINNIS Burmcistcr. 



rhocwna S2nni2nnnis, Burmeister, Proc. Zool. Soc. Loudou, 18C5, p. 228; Au. Mns. 

 Pub. Biieno.s Aires, I, 18C4-69, pp. 380-388, Pis. xxiii-xxiv. 



No one wlio lias read Dr. Burmeister's description of tliis species and 

 compared bis measurements and figures with those of P. communis can 

 doubt its distinctness. The black color, the peculiar form of the dorsal 

 fin and its position, the large size of the pectoral fins, and the small 

 number of teetli, are all characters which it is impossible to set aside. 



