1903.] FEOM GALLALAXD AND SOUTHERN ETIIIOriA. 333 



length of the head, longer than the lower labials. Dorsal I 5 ; 

 spine not serrated, not quite | the length of the head. Adipose 

 fin low, its base measuring about § its distance from the rayed 

 dorsal. Anal III 6-7. Pectoral sjpine not serrated, | the length 

 of the head. Yentral extending to a little beyond the origin of 

 the anal. Caudal peduncle twice and a half as long as deep. 

 Dark brown above and on the sides, with three yellowish bars, 

 the first in front of the dorsal fin, the second above the ventral, 

 the third on the caudal peduncle ; lower parts white. 



Total length 40 miUim. 



Two specimens from the Mod jo River. 



The four species now known of this genus differ in the 

 following characters : — 



A. Maxillary barbel much longer than eye. 



C. dechenii Peters. — Depth of body 5| to 6^ times in total 

 length ; interorbital width equal to distance between posterior 

 nostril and eye ; D. I 5 ; A. Ill 6 ; pectoral spine more than 

 ^ length of head. 



C. modjensis Blgr. — Depth of body 5| times in total length ; 

 interorbital width greater than distance between posterior nostril 

 and eye ; D. I 5 ; A. Ill 6-7 ; pectoral spine f length of head. 



0. niloticus Blgr. — Depth of body 4 to 4| times in total length ; 

 interorbital width greater than distance between posterior nostril 

 and eye ; D. I 6 ; A. Ill 8 ; pectoral spine f length of head, 



B. Maxillary barbel scarcely longer than eye. 



C. hrevibarhis Blgr. — Depth of body 6 times in total length ; 

 interorbital width greater than distance between posterior nostril 

 and eye ; D. I 5 ; A. Ill 7 ; pectoral spine | length of head. 



The new species may therefore be regarded as intermediate 

 between the two previously described, C. deckenii from German 

 East Africa, and C. niloiicus from the Upper Nile, 



i^PRINODOXTID-E. 



18, Haplochilus antinorii Yincig. 



A single specimen from the Suksuk River. 



The species was only known from Lake Arsade, south of Shoa, 

 in the district of the Adda-Gallas, whence the types of the 

 Dlscognatlius chiarinii noticed above (p. 330) were also obtained, 



CiCHLID.E. 



19, TiLAPIA XILOTICA L, 



Numerous specimens. Lake Gandjule, and Wabbi, Modjo, 

 and Suksuk Rivei's ; also in tlie hot springs of the Hawash 

 River near Filoa. 



