754 Order Pediculati: the Anglers 
nox is a jet-black species of the Japanese reefs, and Antennarius 
sanguifluus is spotted with blood-red in imitation of coralline 
patches. Many other species abound in the East Indies and in 
(Fie. 669.—Shoulder-girdle of a Batfish, Ogcocephalus radiatus (Mitchill). 
Polynesia. The genus Chaunax is represented by several deep- 
water species of the West Indies, Japan, etc. 
The Gigactinide of the deep seas differ from the Ogcoce- 
phalide, according to Boulenger, in the absence of ventrals. 
Fic. 670-—Frogfish, Antennarus scaber (Cuvier). Puerto Rico. 
The Batfishes: Ogcocephalide.—The batfishes, Ogcocephalide, 
are anglers with the body depressed and covered with hard 
bony warts. The mouth is small and the bony bases of the 
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