NO. 1305. THE DRAGCNETS OF JAPAN— JORDAN AND FOWLER. 941 



This species is known to us from a single specimen 2i inches long, 

 No. 50816, U.S.N.M., dredged at Station 3700, in Suruga Bay, off 

 Namazu, h\ the U. S. Fish Commission steamer AJhatroxt<., in 100 

 fathoms, in company with Sphagehrnnchiis iiioseri. 



{^sviKOi;^ strange.) 



Family II. CALLIONYMID.F:. 



DRA(t()NETS. 



Body elongate, naked; head broad and depressed; the mouth narrow, 

 the upper jaw very protractile; teeth very small, in jaws only; pre- 

 opercle armed with a strong spine, opercle unarmed. Eyes moderate, 

 usually directed upward. Lateral line present, often duplicated. 

 Dorsal tins 2, or sometimes united at base; the anterior with 4 flexible 

 spines; soft dorsal and anal short, the latter without distinct spine; 

 ventrals I, 5, jugular in position, widely separated from each other; 

 pectoral fins large. Gill openings small, the membranes 1)roadly 

 attached to the isthmus; gills 4, a slit behind the fourth; pseudobran- 

 chii« present. No air bladder. Vertebne usually 8 + 13 = 21. Sexes 

 notably different in color. The dorsal fin higher in the male. Small 

 fishes of the shores of warm seas, chiefl}^ of the Old World, allied to 

 the Trcchhiida', according to Boulenger, but resembling the Cot- 

 tt'rJa^ in form. 

 a. Preopercular spine simple, sharp, spear-like, witli serrate edge, but without 



recurved hooks above or at tip Calliurichthys, 2. 



(Id. Preopercular spine not simple, with recurved tip and witli one or mf)re recurved 

 hooks above. 

 h. Ventrals entire, the outer ray not detached ; head depressed; gill opening reduced 

 to a very small foramen on upper surface of head; lateral line single. 



CalUoni/irms, 3. 



2. CALLIURICHTHYS Jordan and Fowler, new genus. 



CaUiiiricJitlu/a Jordan and Fowler, new genus { japomeus) . 

 This genus differs from i^LUionyuiiis in the character of the pre- 

 opercular spine, which is long, simple, straight or curved, and serru- 

 late, but without recurved hooks above. A small antrorse spine at 

 its base below. In the tvpical species the caudal fin is greatl}'^ elongate. 

 The dorsal spines are graduated backward, at least the first two being 

 elongate. 



{kocWiz^ beauty; ovva^ tail; ''l^^'S", fish.) 

 «. Top of the head covered with rough bone. 

 //. Body very elongate, the head 3^ in length, the depth 10; top of head with two 

 rough patches; caudal fin very long, especially in males; D. IV-9; A., 8. 



japonicus, 2. 

 bh. Body rather stout, the head about 2| in length, the depth 7f ; top of head with 



a single rough patch; D. IV-8; A., 7 variegatm, 3. 



oa. Top of head covered with smooth skin; head 3\ in length, depth about 8^; 

 D. IV-9; A., 9; dorsal spines much elongated doryssus, 4. 



