NO. 1907. NEW CYCL0GA8TERID FISHES— GILBERT AND BURKE. 365 



notch between the fins. Pectoral notched, the upper lobe reaching 

 tliird anal ra}'; lower lobe of eight rays, elongate, reacliing nearly to 

 anal, in adults greater than length of head, in young a little less than 

 head. Disk small, hidden beneath the lower pec- 

 toral lobes; in adults the posterior and anterior V"^^^ — "'^TiT^ 

 parts of the flap are folded over the base of the ]' * '^ i 

 cUsk, so tliat the width appears greater than the (.* *■ "tW ^ a 

 length. Vent close behind disk. (Fig. 5.) /^ ^" ^^\^ 



Multifid prickles scattered thickly over head and N" •■'%£/ J 

 body, with the exception of the lips and chin; xj^^-^'^^j 

 usually about 10 slender prickles clustered about f,g. g.-section of skdj 

 a single base. (Fig. 6.) or cakepeoctus tra- 



Color dusky, faintly pinkish in life, darker on '^Z.LlZ^r 

 top of head in the type; dorsal and anal posteri- 

 orly and the caudal bluish black; pectoral (hisk}' except at base; 

 skin everywhere dusted with fine dark dots; peritoneum silvery, with 

 fine dark dots. 



Twelve cotypes were taken from the following stations: 



Fathoms. 

 4814. Off Sado Island, Sea of Japan 429 



4981. Shiruunku Bay, west coast Hokkaido 406 



4982. Shiruunku Bay, west coast Hokkaido 390 



4983. Shiruunku Bay, west coast Hokkaido 428 



4992. Off the northwest coast of Hokkaido 325 



4997. Gulf of Tartar}^ 318 



Differing from C. rastrinus conspicuously in the shorter head, the 

 slenderer form, and the darker coloration. 



14. CAREPROCTUS RHODOMELAS, new species. 

 Plate 44, fig. 2. 



Type.— Cat. No. 73334, U.S.N.M. A male, 123 mm. long, from 

 station 4958, off the Bungo Channel, Japan; depth 405 fathoms. 



Measurements in hundredths of length ^^^thout caudal (113 mm.): 

 Length of head 19; greatest width of head 14; interocular ^\ddth 10; 

 width at angles of mouth 8.5; distance from tip of snout to front of 

 orbit 6; diameter of eye 5.5; distance from tip of snout to end of 

 maxillary 8; length of gill slit 5; greatest depth of body 19; distance 

 from tip of snout to front of disk 11.5; to anus 17; to front of anal 

 fin 34; to front of dorsal 23; diameter of disk 3; distance from (Hsk 

 to anus 4; longest pectoral ray of upper lobe 15, of lower lobe 21; 

 shortest ray in notch 4. 



Dorsal 56; anal 48; pectoral 31 (from cotype) ; caudal 9. 



Body elongate, slender, compressed, tapering very gradually to 

 the caudal. Head sliort, flat on top, the sides vertical; interorbital 

 \\ade; occiput slightly swollen. Snout short and deep, not project- 

 ing; nostril in a short tube in front of upper part of eye; mouth 



