PLATE 63. 



ISURIDAE. 



Fig. 1-6. IsuRUS PUNCTATTJS (Page 36). 



1. Pectoral fin. 



2. Pelvis and ventral or pelvic fins. 



3. Vertebral column, second dor.sal fin, and the anal fin. 



4. First dorsal fin. 



5. Caudal fina and vertebrae. 



6. Scales from near the middle of the Hank. 



