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co SI oT BR oo 
FINS OF ELASMOBRANCHS. 483 
. First dorsal fin of ditto. 
6, coalesced basal cartilage. 
. First dorsal fin of Chiloscyllium ocellatum. 
. Left pectoral fin of ditto. 
m, metapterygium ; p, propterygium. 
. Left ventral fin of ditto. 
b, basal cartilage ; p, pelvic cartilage. 
. Left pectoral fin of Cestracion philippi. 
PLATE LXXVII. 
. First dorsal fin of Acanthias blainvillii. 
g. 2. Left pectoral fin of ditto. 
a, propterygium ; 4, mesopterygium ; ¢, metapterygium. 
. Caudal fin of ditto. 
. First dorsal fin of Spinax niger. 
m 3, most postaxial median cartilage. 
. First dorsal fin of Squatina angelus. 
. First dorsal fin of Pristiophorus japonicus. 
. Second dorsal fin of ditto. 
PLATE LXXVIII. 
. Left pectoral fin of Pristiophorus japonicus. 
ce, metapterygium. 
. Left ventral fin of ditto. 
. Part of caudal fin of ditto. 
First dorsal fin of Pristis cuspidata. 
. First dorsal fin of Rhynchobatus djeddensis. 
. First dorsal fin of Trygonorhina fasciata. 
. First dorsal fin of Raia maculata. 
. Left ventral fin of Polyodon folium. 
PLATE LXXIX. 
. First dorsal fin of Callorhynchus antarcticus. 
. Second dorsal fin of ditto. 
. Left pectoral fin of ditto. 
m, meso- and metapterygium ; p, propterygium. . 
. Left ventral fin of ditto. 
