DOUMEA. 



497 



eye; latter directed upwards, 6 J to 8 times in length of head, 1^- to 2 

 times in interorbital space. Maxillary barbel ^ to ^ length of head, 

 mandibular barbels shorter still. Occipital process narrow, nearly 3 

 times as long as broad, narrowly separated from interneural shield. 

 First dorsal I 6 ; first ray as long as or a little longer than head ; border 

 of fin slightly concave. Anal II 6-7. Pectoral usually not reaching 

 ventral ; latter extending beyond origin of anal. Caudal deeply notched, 



Fi^. 37(». 



Doumen ti/pica. 

 S. Cameroon, g. 



crescentic, lower lobe the longer. Caudal peduncle a little depressed, 

 about ^ total length. Brownish above, whitish beneath. 



Total length 160 millim. 



Upper Ogowe, South Cameroon. — Type, in Paris Museum, examined. 



1-11. Ad. & hgr. Efulen, S. Cameroon. G. L. Bates, Esq. (C). 



12. Skel. Krihi R., 



r^. Ad. .Ta ]{, 



2. DOUMEA ANGOLENSIS. 

 Bouleng. Ann. & Mag. N. H. (7) xviii. 190('), p. 347. 



Depth of body 10^ times in total length, head 5| times. Head 

 smooth above, 1^ times as long as broad ; snout obtusely pointed, pro- 

 jecting beyond mouth, 1| times as long as postorbital part of head; 

 space between the two nostrils nearer eye than end of snout ; eye 8 

 times in length of head, twice in interorbital width. Maxillary barbel 

 ■§■ length of head, mandibular barbels a little shorter still. Occipital 

 process half length of snout, widely separated from interneural shield. 

 Dorsal I 6, first ray nearly as long as head. Anal 1 7. Pectoral not 



