FINS OP ELASMOBEANCHS. 483 



Fig. 2. First dorsal fin of ditto. 



J, coalesced basal cartilage. 

 Fig. 3. First dorsal fin of ChiloscylUum ocellatum. 

 Fig. 4. Left pectoral fin of ditto. 



m, metapterygium ; p, propterygium. 

 Fig. 5. Left ventral fin of ditto. 



b, basal cartilage ; p, pelvic cartilage. 

 Fig. 6. Left pectoral fin oi Cestracion philippi. 



PLATE LXXVII. 



Fig. 1 . First dorsal fin of Acantluas hlainviUii. 

 Fig. 2. Left pectoral fin of ditto. 



a, propterygium ; b, mesopterygium ; c, metapterygium. 

 i'ig. 3. Caudal fin of ditto. 

 Fig. 4. First dorsal fin of Spinax niger. 



m 3, most postaxial median cartilage. 

 Fig, 5. First dorsal fin of Squatina angelus. 

 Fig. 6. First dorsal fin oi Pristioj)horus japonicus. 

 Fig. 7. Second dorsal fin of ditto. 



PLATE LXXVIIL 



Fig. 1. Left pectoral fin oi Pristiophorus japonicus. 



c, metapterygium. 

 Fig. 2. Left ventral fin of ditto. 

 Fig. 3. Part of caudal fin of ditto. 

 Fig. 4. First dorsal fin of Pristis cuspidafa. 

 Fig. 5. First dorsal fin of Rhynchohatus djeddensis . 

 Fig. 6. First dorsal fin oi Trygomrhina fasciata. 

 Fig. 7. First dorsal fin of Raia maculata. 

 Fig. 8. Left ventral fin of PoZ^otZow/bZmwi. 



PLATE LXXIX. 



Fig. 1. First dorsal fin of Callorhynchus antarcticus. 

 Fig. 2. Second dorsal fin of ditto. 

 Fig. 3. Left pectoral fin of ditto. 



m, meso- and metapterygium ; p, propterygium. 

 Fiff. 4. Left ventral fin of ditto. 



