8 



DESCEIPTIONS OF TWO NEW GOBIIFORM 

 FISHES FROM THE CAPE OF GOOD HOPE. 



BY 



G. A. BOULENGEB, F.R.S. 



GOBIUS GILCHRISTI. 



No canine teeth. Depth of body four times in total 

 length, length of head 3^ or 3|. Head as broad as deep, i| 

 as long as broad ; lower jaw projecting beyond the upper ; 

 maxillary extending to below anterior border of eye ; 

 diameter of eye 4^ to 5 times in length of head ; inter- 

 orbital space narrow, about half diameter of eye ; head 

 naked ; organs of the lateral line forming six vertical and 

 two horizontal series on the cheek. Dorsal VI, I 12 ; first 

 dorsal in contact with the second, nearly equally distant 

 from the end of the snout and the base of the caudal ; none 

 of the rays produced ; longest ray of second dorsal half 

 length of head. Anal I 10, opposite to soft dorsal. Pectoral 

 without filiform rays. Ventral reaching vent or not quite 

 so far. Caudal rounded. Caudal peduncle i^ as long as 

 deep. Scales 55-56 in a longitudinal series, 17-19 in a 

 transverse series between dorsal and anal. Olive above, 

 spotted and marbled with blackish, dirty yellowish beneath ; 

 fins dark grey ; spinous dorsal streaked with black, soft 

 dorsal and anal with small black spots, both dorsals edged 

 \vith whitish. 



Total length no millimetres. 



Specimens were obtained by shrimp net in little Brak 

 River, Mossel Bay, in June, 1898. The river is salt for 

 several miles inland, as I am informed by Dr. Gilchrist, to 

 whom we are indebted for the discovery of this and the 

 following species. 



