SILUELD.E. 311 



Add :— 



59. Ad. Geba R. at Bafata, Portug. Guinea. Dr. W. J. Ansorge (C). 



60-tU. Yg. Dunga, Uelle. Capt. Hntereau (C). 



62-63. Yg. N. Sherbo district, Sierra Leone, N. W. Tliomas, Esq. (P.). 



4. AUt:HENOGLANIS ALTIPINNIS, Blgr. 

 Add :— 



2-6. Ad. Akonolinga, Nyong R. G. L. Bates, Esq. (C). 



ia. AUOHENOGLAXIS MONKEI. 

 Keilhack, Mittb. Zool. Mus. Berl. v. 1.910, p. 120. 



Depth of body 3f to 4| times in total length, length of head 3-| times. 

 Head 1^ times as long as broad, smooth above ; snout obtuse, f to 

 ^ length of head ; occipital process long and narrow, in contact with 

 the rather large interneural plate ; eye superior, 8 to 9 times in length 

 of head, 3 times in interorbital width; width of mouth at least | length 

 of head ; prsemaxillary teeth forming a kidney-shaped patch, which is 

 ^ to I as broad as long; mandibular teeth in two rounded patches. 

 Maxillary barbel 4- to 3^ length of head, outer mandible 1 j, inner f to |. 

 Humeral process long and narrow. Dorsal I 7 ; spine feebly serrated 

 in front, ^ length of head. Adipose dorsal 4f to 5^ times as long as 

 deep, 6 to 8 times as long as its distance from rayed dorsal. Anal 12. 

 Pectoral spine feebly serrated in front, strongly behind, ^ length of 

 head. Ventral not reaching anal. Caudal rounded. Caudal peduncle 

 deeper than long. 6 or 7 transverse series of dark brown spots on the 

 body ; fins with transverse series of dark dots. 



Total length 85 millim. 



Duala, Cameroon. — Types in Berlin Museum. 



Distinguished from A. altipmnis and A. hallayi by the longer barbels, 

 and from the latter also by the longer occipital process. 



4&. AUCHENOGLANIS ITURIL 

 Steind. Sitzb. Ak. Wien, c.xx. i. 1911, p. 1185, and Denkschr. Ak. Wien, Ixxxix. 

 1913, p. 37, pi. ix. fig. 1. 

 Depth of body 4 to 5f times jn total length, length of head 3| to 

 4^ times. Head much depressed, 1^ to If times as long as broad, 

 smooth above ; snout broadly rounded, subtruncate, nearly \ length of 

 head ; occipital process long and narrow, in contact with the small 

 interneural plate, both of which are covered with skin ; eye superior, 



