CICHLID FISHES OF LAKE NYASSA. 



699 



Caudal ijeduncle twice as long as deep. Silvevy ; an opercular 

 spot ; a blackish lateral stripe, half as broad as a scale, ending in 

 a spot on base of caudal fin. 



A specimen of 165 mm. (Wood), described above, has been 

 compared Avith the type, a skin 220 mm. long. 



18. Haplochhomis auhitus, sp. n. (Text-fig. 14.) 

 Depth of body 2i in length, length of head 3. Snout 

 convex, a little shorter than diameter of eye, which is twice 

 pra^orbital depth, 3 in length of head ; interorbital width 4§ 

 in head. Jaws equal anteriorly ; maxillary extending to below 

 eye; teeth in 2 series; 66 bicuspid teeth in outer series of upper 

 jaw. 3 series of scales on cheek. 13 gill-rakers on lower part of 

 anterior arcli. Pharyngeal teeth small. 32 scales in a longi- 

 tudinal series, 5 from origin of dorsal to lateral line. Dorsal 



Text-fia-ure 14. 



^^§s& 



SapJocliromis auritus. Nat. size. 



XV 10 ; last spine a little less tha.n | length of head. Anal III 9 ; 

 third spine stronger than and nearly as long as last dorsal. 

 Pectoral as long as head, reaching anal. Caudal rather deeply 

 emarginate. Caudal peduncle a little longer than deep. Silvery ; 

 a blackish opercular spot ; a dark spot on lateral line below 

 spinous dorsal ; series of spots on soft dorsal and caudal. 

 A. single specimen, 80 mm. in total length (JVood). 



19. Haplochrojiis tetrastigma Giinth., 1893, 



Tilcqna tetrastigma Bouleng. Oat. Afr. Fish, iii, p. 250, fig. 168. 



Depth of body 2| to 2-i in length, length of head about 3. 

 Snout with straight or convex profile, nearly as long as ]oost- 

 orbital part of head. Diameter of eye 3| in length of head, 

 interorbital width 4, prjeorbital depth 4. Jaws equal anteriorly; 

 maxillary not extending to below eye ; teeth in 3 or 4 series, outer 



