G0B1US. 31 



to second dorsal. Pectoral § to f length of head. Ventral with a 

 broad basal membrane, terminating at a great distance from vent. 

 Caudal rounded, shorter than head. Caudal peduncle 1-| to 1|- times 

 as long as deep. Scales strongly ciliated, 58-64 in longitudinal series, 

 16-18 in transverse series between dorsal and anal. Olive-brown or 

 green above, metallic bronzy or golden on the sides, white beneath ; 

 more or less distinct dark brown or black spots or marblings above; two 

 dark oblique lines directed forwards from the eye to the mouth ; 

 second dorsal with numerous small blackish spots ; caudal with trans- 

 verse series of black spots, which may be confluent into irregular 

 cross-bars. 



Total length 100 millim. — Grows to 250 millim. 



Fresh waters of East and South-East Africa and Madagascar. — Types 

 in Berlin Museum. 



1-2. Ad. & hgr. Mkata R., German E. Africa. Dr. E. J. Baxter (('.). 



3. One of the types. Sena, Mozambique. Dr. W. Peters (P.). 



4-5. Ad. Tete, „ Mr. 0. H. B. Grant (C.) ; 



C. D. Rudd, Esq. (P.). 



6. Skel. „ „ „ „ 



7. Ad. Umsindusi R., Pietermaritzburg. Dr. E. Warren (P.). 

 8 Ad. Imerina, Madagascar. Rev. R. Baron (0.). 



The following specimen is referred with doubt to this species : — 

 9. Ad. Niger. Mr. J. Paul Arnold (P.). 



11. GOBIUS GUINEENSIS. 

 Gobius ceneofuscus, var. guineensis, Peters, Mon. Berl. Ac. 1876, p. 248. 

 Gobius (Chonophorus) tajaska (noa Licht.), Steind. Notes Leyd. Mus. xvi. 1894, 



p. 25. 

 Gobius ceneofuscus (non Peters), Giinth. Ann. & Mag. N. H. (6) xvii. 1896, 



p. 267. 

 Gobius guineensis, Bouleug. Proc. Zoo!. Soc. 1902, ii. p. 329. 



Body cylindrical; depth of body 6 to 7 times in total length, length of 

 head 3f to 3f times. Head If to 2 times as long as broad, naked; 

 snout rounded, with curved upper profile, about | length of head ; eye 

 3J (young) to 6 times in length of head, 1| to 3 times interorbital 

 width ; mouth subinferior, extending to below anterior border of eye 

 or not quite so far; teeth in 2 or 3 rows in each jaw, outer rather 

 large. Dorsals VI, I 10, well separated, longest rays about \ length 

 of head. Anal 1 10, opposite to second dorsal. Pectoral f to ^ length of 



