724 mr. c, tate regan on the 



3. Cyrtocara moorii. 



A-^erv near the preceding species, but lower jaw projecting, 

 some of the outer teeth pointing outwards, and maxillary 

 extending to below eye. Occiput very convex. 3 or 4 series of 

 scales on cheek. 11 gill-rakers on lower part of anterior arch. 

 Dorsal XV-XVI 11. Anal III-IV 8-9. 



14. Rhamphochromis, gen. n.* 

 (type Hemichroviis longiceps Giinth.). 



Form elongate. Snout produced, nearly or quite h length of 

 head. Mouth with lateral cleft, ending fax in front of eye ; 

 prfemaxillaries with an anterior beak- like expansion ; lower jaw 

 deep ; teeth conical, acute, biserial, or sometimes a third series 

 anteriorly in upper jaw ; teeth of outer series strong or mode- 

 ra,tely strong, set well apart ; anterior teeth of second series in 

 upper jaw enlarged. 16 to 1 8 gill-ra.kers on lower part of anterior 

 arch. Scales 36 to 44. Dorsal XVI-XX 11-13; spines slender, 

 rather short; soft fin rounded. Anal III 9-11; third spine 

 about as long as and stronger than last dorsal. Pectoi'al I'ather 

 short. Caudal scaly, emarginate. 



Xyassa. 



tSj/no^ysis of the Species. 



I. Scales 36 to 40. Depth 4 to 4f in length. Depth of caudal peduncle not less 



tlian half its length. 



A. Intei'orbital width about 4 in head., diameter of ej-e oj to 6 (in specimens 



of 200 to 240 mm.) ; 3 or 4 series of scales on cheek. 



Teeth modei-ate, 20 to 25 in outer series on each side 1. longiceps. 



Teeth strong, 10 to 15 iu outer series on each side 2. ferox. 



B. Interorbital width about 5 in head; teeth strong. 

 Diameter of eye 5 in head (in specimens of 200 to 230mm.); 



3 or 4 series of scales on cheek 3. maci-ophthalnms. 



Diameter of eye 6 to 8 in head (in specimens of 160 to 



330 mm.) ; 5 or 6 series of scales on cheek 4. ivoodi. 



II. Scales 43 or 44. Depth 4i to 5^ in length. 



Caudal peduncle 2:j as long as deep ; snout convex 5. esox. 



Caudal peduncle 2j as long as deep ; snout straight 6. leptosoma. 



1. Rhamphocheomis longiceps. 



Hemichromis longiceps (part.) Giinth. P. Z. S. 1864, p. 313. 



Champsochromis longiceps (part.) Bouleng. Cat. Afr. Fish. iii. 

 p. 434 (1915). 



Depth of body 4 in length, length of head 24, Diameter of 

 eye 2i in length of snout, 5^ in length of head ; interorbital 

 Avidth 4 in length of head. Jaws meeting anteriorly; chin 

 jorominent ; teeth moderate, 20 to 25 on each side in upper jaw. 

 4 series of scales on cheek. 36 to 38 scales in a longitudinal 



* In the ' Zoological Record ' for 1916, I named G. ccertdeus as the tj'pe of 

 Champsochromis; consequently a new name has to be found for the other species 

 included in Champsochromis by Boulenger. 



