88 Messrs. E. W. L. Holt and L. W. Byrne on 



pectoral, with five rays, the longest about equal to the hori- 

 zontal diameter of the eye and half as long as the pectoral. 

 Second dorsal and anal respectively with about 67-70 and 

 about 59-65 rays, their bases clothed, especially in their 

 anterior parts, with loose scaleless skin. Ventrals consisting 

 of a single long divided ray, extending to or slightly beyond 

 the origin of the anal, and of one or more minute rays closely 

 apposed to the long ray. Scales small, at least 140 transverse 

 series crossing the lateral line, about 14 or more in a vertical 

 series between the first dorsal and the lateral line, about 35 in 

 the ventral continuation of the same series. Lateral line in- 

 distinct posteriorly ; about 20 modified scales can be detected 

 on the anterior five-sixths of the body. 



Coloration apparently uniform dark brown (most of the 

 head and body is now scaleless and pale) ; tins blackish 

 brown, without perceptible white border. 



Loc. S.R. 489, 4. ix. 07, 51° 35' N., 11° 55' W., 720 fatli. ; 

 trawl. 



Two, 137 and 168 mm. 



Dimensions of Type Specimens. 



mm. mm. 



Total length 168 137 



„ „ without caudal fin 151 124 



Length of head 35 29 



„ snout 8 6'o 



Horizontal diameter of eye 11"5 9 



Width of iuterorbital space 13-25 11 



Snout to first dorsal fin 40 34 



,, second dorsal fin 47 41 



„ anus 49 42 



„ anal fin 59 51 



Height of body at commencement of second 



dorsal fin 37 _ 28 



Height of caudal peduncle 3-5 3 



Length of longest rav of first dorsal fin . . 11 '5 11 



, pectoral fi'n 23 16 



„ ventral fin 27+ 25 



Zeidse. 

 Genus Cyttosoma. 



An examination of such examples of Gilchrist's recently 

 described species as are in the British Museum and of the 

 type of C. heJga', below described, has convinced us that the 

 genus Cyttosoma, Gilch. (1904), requires redefinition in such 

 manner as to comprehend both that genus as originally 

 defined and Neocyttus, Gilch. (1906). While regarding 



