368 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 42. 



witli well developed lateral lobes ; outer teeth smaller, bluntly pointed 

 and without lateral lobes. Gill sHt very narrow, wholly confined to 

 area above pectoral fin. 



Anterior dorsal rays free from the skm, enveloped in a pseudotis- 

 sue. Caudal injured in the type, apparently truncate, of about five 

 rays; anal joined to basal third of caudal; dorsal and anal joining 

 caudal \vithout notch. Pectoral slightly notched, the lower lobe of 

 five rays below notch, the rays short, the longest reaching slightly past 

 vent. Disk rather small, the vent close behind it. (Fig. 9.) 



In life transparent, wdth a reddish tinge, slightly dusky posteriorly, 

 the flesh pinkish. 



Resembling C. mirahilis in shape of head and body, but distin- 

 guished by the number of pectoral rays and the coloration and in the 

 absence of the deep cleft on the snout. 



Only the type taken. 



17. CAREPROCTUS BATHYCffiTUS, new species. 

 Plate 45, fig. 2. 



Type.— C&t. No. 73337, U.S.N.M. A female, 181 mm. long, from 

 station 5030, in the southern part of the Okhotsk Sea, depth 1,800 

 fathoms. 



Measurements in hundredths of length without caudal (163 mm.): 

 Length of head 21; greatest width of head 14; interocular width 9; 



width at angles of mouth 11.5; dis- 



-^ tance from tip of snout to front of 



orbit 8; diameter of eye 4.2; distance 



^^^ V from tip of snout to end of maxillary 



- '^^J:- 4i? 9.2; length of gill slit 5.5; greatest 



- — ,. ;| depth of body 17.5; distance from 



I? tip of snout to front of disk 13; to 



' 'u.itj'-''''' ^ anus 21; to front of anal fin 29.5; to 



FIG. 10.-RELATIVE SIZE AND POSITION OF ^ ^out of dorsal 23 ; diamctcr of disk 3 ; 



VENT AND DISK OF CAREPROCTUS BATHY- dlstaucc from dlsk to anus 5.5; long- 



^^^^^' est pectoral ray of upper lobe 15; of 



lower lobe 15; shortest ray in notch 3.5. 



Dorsal 61; anal 55; pectoral 23; pyloric cseca 9. 

 Body deepest at front of dorsal, greatly compressed and rapidly 

 tapering posteriorly. Head short and heavy; occiput slightly swol- 

 len; a low median interorbital ridge; width and depth of head about 

 equal. Snout moderately deep, truncate, projecting slightly beyond 

 mouth; nostril in front of middle of eye, provided with a raised rim. 

 Mouth wide, maxillary reaching vertical from posterior margin of 

 pupil. Teeth rather long and slender, somewhat curved, all simple, 

 without trace of lateral lobes, arranged in about 12 oblique rows 

 in the half of each jaw. Gill opening not extending below upper 

 pectoral ray. 



