34. Hgr. 

 35-37. Yg. 



38. Yg. 



39. Yg. 



40. Ad. 



41. Skel. 



42. Hgr. 



43. Yg. 



44. Yo-. 



45 



50. 



51, 



52. 



53- 



55. 



56-. 



58 



46-49. Ad. & hgr. 



Ad. 



Skin. 



Hgr. 



54. Yg. 



Ad. 



■57. Ad. 

 Hor. 



AUCHENOGLANIS. 



Oguta, Low. Niger. 



Abo, ,, 



Agberi, „ 



Assay, 



"Niger. 



it 



Benue B., north of Ibi. 



Near Leopoldville, Congo. 



Sankun R. at Kondue, Kasai, 



Congo. 

 Monsembe, Upp. Congo. 

 Bikoro, L. Tumba, Upp. Congo. 

 L. Mveru. 

 L. Bangwelu. 



Kinyamkolo, L, Tanganyika. 

 Middle of L. Tanganyika. 

 Kalombo, ,, 



Mtondwe Bay, ,, 



371 

 Dr. W. J. Ansorge (C). 



55 



11 

 55 



Mr. J. T. Dalton (C). 



H.L.Norton Traill, Esq. 



(C). 

 Drs. Dntton, Christy, & 



T#>dd (P.). 

 M. E. Luja (C). 



Rev. J. H. Weeks (P.). 

 M. P. Delhez (C). 

 Sir A. Sharpe (P.). 

 F.H.Melland,Esq.(P.). 

 Prof. J. E.S. Moore (C). 



55 

 55 



Dr. W. A. Ounningfcon 

 (C.j. 



3. AUCHENOGLANIS NGAMENSIS, sp. n. 

 Depth of body 5| times in total length, length of head 3-| times. 

 Head moderately depressed, 1| times as long as broad, upper surface 

 smooth ; operculum with radiating striae ; occipital process small, longer 

 than broad, in contact with the moderately large interneural plate ; 

 snout pointed, \ length of head ; eye supero-lateral, 8 times in length 

 of head, twice in interorbital width ; mouth small, nearly terminal, with 

 thick papillose lips; prsemaxillary teeth in a small patch a little broader 

 than long, with notched posterior border. Maxillary and inner mandi- 

 bular barbels \ length of head; outer mandibular slightly shorter than 

 head, reaching base of pectoral fin. Gill-rakers rather long, 8 on lower 

 part of anterior arch. Humeral process short, triangular, feebly striated. 

 Dorsal I 7 ; spine moderately strong, smooth, \ length of head, as long 

 as longest soft rays. Adipose dorsal 9 times as long as deep, originating 

 immediately behind rayed dorsal and extending nearly to root of caudal. 

 Anal 13 (8 rays branched). Pectoral not reaching ventral; spine strong, 

 strongly serrated on inner side. Ventral not reaching anal. Caudal 

 rounded. Olive-brown, with numerous small round black spots, some 

 of which form vertical bars on the sides of the body ; belly white. 



