some Freshwater Fishes from Lower Congo. 171 



process trianguhir ; frontal fontanelle knife-shaped, its lengtli 

 contained about 3i^ times in leiigth of head ; occipital fonta- 

 nelle about half- the size of the frontal one, extending well 

 into the occipital process. Eye very small, about 5 times in 

 length of snout and about 6^ times in interorbital vvidrli, 

 which nearly equals ^ length of head. Bund of prsemaxillary 



Fisr. 1. 



Head of Clarms ngola, nat. size. 



teeth about G times as long as broad. Vomerine teeth 

 granular, forming a curved baud about as broad as the prse- 

 maxillary band. Nasal barbel about | length of head. 

 Maxillary barbel 1^ the length of head. Dorsal about 75, its 

 distance from occipital )}rocess nearly ^ length of iiead, its- 

 distance from caudiil not quite as large as diameter of eye. 

 Anal about 60, equally distant from caudal. Pectoral some- 

 what longer than halt the length of the head, the spine 

 feebly serrated on outer side. Ventral 1 1 as tlistant from 

 base of caudal as fiom end of snout. Colour in spirit 

 uiiifoi m!y brow n. 



CJuinnahtlx s ajms^ (Jiintli. 



Native name '' Ntondia.''^ 

 Locality. Mukimbungu. 

 Thiee sj)ecimens. 



AmpJ/iliiis lanidni, sp. n. 



Native name " Kikvveta." 

 Loculity. Kingo} i, Lower Congo. 

 Two specimens, total length of the type 9(5 mm. 

 Depth of bod}- 9 times in total length, length of head ?>1? 

 times. Head much depressed, a little longer than broad ; 



