88 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Table 9. — Measurements of Sphyrna tudes {proportions expressed in thousandths 

 of total length) — Continued 



Table 10. — Measurements of heads of Sphyrna lewini and S. couardi from Gulf 



of Guinea ' 



« One specimen from each species. Under each species the first row represents the empirical lengths (in 

 milluneters); the second row, the proportional values (in thousandths of head width), obtained by dividing 

 head width into the respective meaaurements. 



> Shortest vertical distance. 



