ARROW-HEADED DRAGONET. 



Callionymus Sagitta. C. capite triangularly membrana hranchi- 

 ostega triradiaia, pinnarum dor si radiis cequalibus. Lin. Syst. 

 Nat. Gmel p. 1155. Pall. spic. zool. 8. p. 2Q. t. 4.f. 4. 5. 



Dragonet with triangular head, three-rayed gill-membrane, 

 and the rays of the dorsal fins equal. 



Native of the Indian seas : found about Amboina, 

 &c. Length about three inches : of a slender 

 shape, obscurely quadrangular, and of a brownish 

 colour variegated with grey ; beneath of a greyish 

 white : head large and broad, much depressed, with 

 a sharpish snout, at the tip of which is the mouth, 

 which is small, with thin lips, the superior of which 

 is doubled : mandibles rough : tongue very short, 

 and flat : eyes small and approximated; iris silvery: 

 gill-covers soft, with the hinder lamina large and 

 extended as far as the pectoral fins, the first lamina 

 terminated by a long, subulate spine, serrated 

 within with small teeth in a backward direction : 

 first dorsal fin small, and marked at the hind part 

 by a black band: second dorsal fin and pectoral 

 ones hyaline, variegated with brown and white: 

 ventral fins laciniate, spotted with brown, and 

 furnished with very numerous rays : vent fin low, 

 with the last ray branched: vent situated before 

 the middle of the body : lateral line strait, obscure 

 towards the head: tail rounded at the end, and 

 spotted above with brown. 



