126 



On some new Sihir ids from the Congo. 



liltle sliortcr tlinii Ih'M'1, reaching to outer tliiid of pectoral 

 spine. Outer niundihular baihcl nearly ^ lengtli ot" liead, 

 inner about ^. Gill-raker.s closely set, 90 on first arch. 

 Clavicles hidiU'ii. Dorsal at its posterior end completely 

 confluent with the caudal, the number o£ rays about 08. 

 Anal with ai>proxiiuattdy 50 rays, ending at a distance 

 equalling 1| diameters of eye from the root of the caudal. 

 Pectoral fin about \ length of head, the spine crenulated 

 along the outer border of the basal half, about g lengtli of 

 head. Ventral about \\ as distant from root of caudal as 



Fig. 4. 



Posterior end of Clan'as notozygiims, to show relation between caudal 

 and resp. dorsal and anal tins. | uat. size. 



from end of snout. Caudal about 1 length of head. Dark 

 olive-brown, probably whitish below. Barbels dark, but 

 bases of mandibular barbels pale. 



One specimen, 730 mm., from Lukosi, a tributary to 

 Luala, Lower Congo, where it has been collected by the 

 Swedish missionary, Mr. Borrisson. 



Eutropiwi bomce, sp. n. 



A species belonging to the same group as E. liberiensis, 

 llubrecht, but differing from the same by its much smaller 

 eyes, greater depth of body, different position of dorsal tin, etc. 



Depth of body 'df times in total length, length of head 

 5 times. Head a little more than 1^ times as long as broad. 

 »Suout broad, slightly projecting beyond mouth, a little more 

 than 1^ as long as eye, which is perfectly lateral. Eye 

 nearly .5 times in length of head, 2§ in interocular width. 

 Width o£ mouth nearly equal to interocular width. Vomero- 



