GORIUS. 27 



scries. Yellowisli brown, with large dark brown spots, forming a zigzag 

 band on each side ; dorsal and anal fins with irregular dark spots ; a 

 deep black spot on the hinder third of the first dorsal. 



Total length 40 millim. 



Unigcni R. and lUovo R., Natal. — Types in Amsterdam University. 



4. GOBIUS MAIXDRONI. 



Saiiv. Hull. Si)f. IMiilom. (7) iv. 1880, p. 40. 



Body cyliiuli ical or feebly compressed ; depth of body o to 5^ times 

 in total length, lengtli of head 04' to 4 j times. Head a little longer than 

 broad, naked, or scaly on tlie occiput ; snout rounded, as long as or a 

 little longer than eye, which is 3| (young) to 4 ^ times in length of 

 head; interorbital space very narrow; jaws equal in front; moutli 

 e.xtending to below anterior border of eye ; teeth very small, in a 

 narrow band. Dorsal VI, I 10-11, narrowly separated from each other; 

 third simple ray produced in male, as long as head. Anal 1 9-10, 

 opposiite to second dorsal. Pectoral a little shorter than head. Ventral 

 not reaching vent, with a broad basal membrane. Caudal rounded-sub- 

 acuminate, as long as head. Caudal peduncle little longer than deep. 

 Scales strongly ciliated, 34-o7 in longitudinal series, 10 in transverse 

 series between dorsal and anal. Yellowish brown, with dark brown 

 spots and cross-bands ; dorsals and caudal with dark brown spots. 



Total length 55 millim. 



Senegal. Sierra Leone, Niger. — Type in Paris ^luseum. 



1. A.I. N. Sliei-ho district, 8ierra N. W. Thomas, I'lsq. (P.). 



Leone. 

 2-r,. All., ligr., A- yg. Niger. Mr. J. Paul Arnol.l (P.). 



0. GOBIUS GILCHRISTI. 

 Buuleng. in (iilclirist, :M:ir. Invest. S. Afr. i. 1898, p. 8. 



Body feebly compressed ; depth of body 4 times in total length, length 

 of head 3;^ to 3^ times. Head ]j times as long as broad, naked; snout 

 rounded, very convex, as long as or a little longer tlian eye, wliich is 

 4 \ to 5 times in length of head and about twice interorbital width ; 

 lower jaw i)rojecting ; mouth extending to below anterior border of eye ; 

 teeth forming a villiform band. Dorsals VI, I II, contiguous; longest 

 rays about h length of head. Anal 110, opposite to second dorsal. 

 Pectoral a little shorter tlian head. ^'cntral with a broad basal 

 uunibrane with a sihort process on eacli s-ide, reaching vent or not (juite 



