612 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Table 14. — Proportional dimensions in percent of total length of 

 Rhizoprionodon longurio 



Anal fln: 

 length of base 

 posterior margin 

 height 



Pectoral fln: 

 length of base 

 length of anterior margin 

 length of distal margin 

 width 



Pelvic fin: 

 length of base 

 length of anterior margin 

 length of distal margin 

 length of claspers 



Caudal fin: 

 length of upper lobe 

 length of lower lobe 

 length from tip to notch 

 notch depth 



4.4 

 3.8 

 2.7 



4.5 

 12.0 

 8.4 

 8.0 



4.4 

 6.0 

 3.6 

 2.2 



25.2 

 8.6 

 6.3 

 3.3 



5.1 

 3.6 

 2.8 



6.3 

 11.7 



8.4 

 8.1 



4.6 

 5.0 

 3.6 



25.2 

 9.6 

 6.4 

 3.9 



4.5 

 3.5 

 2.6 



4.9 

 12.2 



8.7 

 8.7 



4.2 

 4.7 

 3.6 

 2.1 



5.7 

 3.8 



4.4 

 3.4 

 2.7 



5.0 



n.7 



8.9 

 7.9 



4.1 

 4.7 

 4.0 

 2.4 



25.6 

 9.3 

 6.0 

 3.3 



4.1 

 4.4 

 2.7 



4.8 

 12.6 

 9.5 



7.7 



4.1 

 6.0 

 3.9 



23.6 

 9.7 

 5.8 

 3.6 



4.3 

 4.4 

 2.7 



6.2 

 12.8 

 9.6 



8.5 



4.1 

 4.8 

 4.2 



25.4 



10.2 



5.1 



3.9 



4.2 

 4.1 

 2.7 



6.1 



12.8 



10.0 



7.5 



4.5 

 4.6 

 4.1 

 3.8 



23.6 



10.6 



6.6 



2.9 



4.6 

 4.1 

 2.8 



5.3 

 13.8 

 11.9 



4.8 

 5.0 

 4.7 



10.2 

 6.6 

 2.9 



4.4 

 4.1 

 2.6 



5.1 

 13.4 

 10.8 



8.3 



5.5 

 4.6 

 4.2 

 7.3 



23.6 



10.5 



6.2 



2.8 



3.6 

 4.7 

 2.7 



6.3 



14.4 

 11.4 



8.7 



4.9 

 5.2 

 4.0 

 9.7 



23.9 



10.2 



5.6 



3.6 



1 Syntypes of Carcharias loTtgurio. 



