NO. 1907. NEW CYCLOGASTERID FISHES— GILBERT AND BURKE. 371 



Pcctoriil rays shortening regularly to the notch, which is not 

 imusiuiUy deep, the long exsortod lower rays beginning abruptly; 

 longest rays of lower lobe extending well behind the upper part of 

 fin, and beyond the origin of the anal. 



Caudal broad, of ten rays, its posterior margin gently concave, 

 evidently approaching the condition in Prognurus; caudal joined to 

 anal for two-fifths its length. 



Color in life gi'ay, everywhere very finely punctulato with black; 

 head, body, and fins lightly tinged Avith red, most ])ronounccd on 

 front of head and on i)ectoral fins. Lower pectoral rays faintly 

 barred. Vertical fins anteriorly with a narrow black margin, which 

 gi'aduall}'- broadens posteriorly untd it involves the entire height of 

 the fins. Lips, mouth, and gill cavity dusky, the peritoneum black. 



Specimens were taken from the followi)ig stations: 



Fathoms. 



4982. Off northwest coiLst of Hokkaido 390 



5029. Southern Okhotsk Sea, off Cape Patience 440 



20. CAREPROCTUS SINENSIS, new species. 

 Plate 46, fig. 2. 



Type.— Cat. No. 73339, U.S.N.M.— A male, 6.S mm. in total length, 

 from station 4813, oil Sado Island, Sea of Japan; depth 200 fathoms. 



Measurements in hundredths of length exclusive of caudal fin (63 

 mm.): Length of head 27; interocular width 12; greatest width of 

 head 15; width at angles of 

 mouth 12; distance from tip of 

 snout to front of orbit 1 1 ; di- 

 ameter of eye 5 ; distance from 

 front of upper jaw to tip of 

 maxillary 1 2 ; length of gill slit 

 4.5; greatest dei)th (o])posite 

 naj)e) 27 ; distance from tip of fig. i3.— relative size and position ok vent anv 



snout to front of disk 19; to and disk of Careproctus sinensis. 



anus 27; to front of anal fui 40; to front of dorsal 30; diameter of 

 disk 7.5; longest pectoral ray of upper lobe 22; of lower lobe 11; 

 shortest ra^- in notch 7. 



Dorsal 47; anal 47; pectoral 33. 



Body deepest at nape, which is strongly convex and protruding; 

 dei)th decreasing rapidly at middle of pectoral. Head compressed, 

 deep, sides vertical; occiput swollen, rising abruptly. Snout not 

 split, slightly or not at all projecting beyond premaxillaries ; nostril 

 in a sliort tube, in front of eye ; cjo small ; mouth terminal, maxillary 

 reaching vertical from pupil. Teeth slender, weakly trilobed, in 

 broad bands, the outer teeth smaller in size. Ciill slit wholly above 

 the ])ectoral, its lower end on level of upper pectoral ra}'. 



Five or six anterior dorsal rays shortened, not protrudmg through 

 the lax skill. Caudal moderate, joined to anal for half its length; 



