254 



BULLETIN OF THE BUREAU OF FISHERIES. 



Fig. II.— Denticles. Hypoprion brevirostris, 248.9 cm. long, from Beaufort, N. C. 



Measurements of Specimens. 



Total length 



Depth at origin of first dorsal 



Tip of snout to — 



Origin of first dorsal 



Anterior margin of eye 



First gill slit (upper angle) 



Last gill slit (upper angle) 



Base of pectoral 



Front of mouth 



Outer angle of nostrils 



Horizontal diameter of orbit 



Distance between nostrils 



Distance between angles of mouth 



Height of — 



First gill slit 



Second gill slit 



Third gill slit 



Fourth gill slit 



Fifth gill slit 



Length of anterior margin of first dorsal 



Length of posterior margin of first dorsal 



Base of first dorsal 



Distance between dorsals 



Length of anterior margin of second dorsal 



Length of posterior margin of second dorsal 



Base of second dorsal 



Length of anterior margin of pectoral 



Length of posterior margin of pectoral 



Length of distal margin of pectoral 



Distance from origin of pectorals to base of ventrals 



Lencth of anterior margin of ventrals 



Length of base of ventrals 



Length of claspers 



Distance from posterior base of ventrals to origin of anal . 



Length of anterior margin of anal 



Length of posterior margin of anal 



Length of anal base 



Axil of anal to lower caudal lobe 



Length of upper caudal lobe 



Length of lower caudal lobe 



Breadth of tip of caudal lobe 



No. I. 



No. 



cm. 

 338.6 

 33.0 



78.0 

 iS-o 

 41.0 



38.0 

 10. o 



23>0 



41-0 

 22- O 



7-5 

 16.0 

 39- S 

 15- o 

 38-0 

 6s. o 

 19.0 

 13.0 



zo. o 



20. O 



6-5 

 "■5 

 13- O 



54- o 

 28.0 



14.0 



cm. 

 205.7 

 31.0 



76.0 

 14-9 



38.7 

 50. 6 

 50.0 



II. o 



8.4 



9-2 



9.8 



io< a 

 9-S 

 8.8 

 2S-3 

 9-1 

 19.7 

 37- o 

 19.4 

 7-3 

 MS 

 37- o 

 I2.9 

 36.3 

 62-0 

 17-3 

 13-7 



17-8 

 19. 

 S- 

 ■2-3 

 12.3 

 SO. o 

 29- 3 



cm. 



3A.S-9 



90.0 

 ij.o 

 43- o 



49.0 



21.0 



8-S 



l-S 



23* O 



3I-0 



12. O 

 23.0 

 48.0 

 23.0 

 8.0 



42. O 



6o.o 

 27.0 



