726 MR. C. TATE REGAN ON THE 



1| to 2 as long as deep. Silvery, back darker ; an opercular spot ; 

 soft dorsal and caudal spotted. 



Four specimens, the one fig-ured by Boulenger, 330 mm. long 

 (Bhoades), and three of 160 to 215 mm. (Wood). A skeleton has 



38 (18 + 20) vertebrae. 



5. RUAMPHOCHROMIS ESOX. 



Paratilapia esox (part.) Boulenger, Ann. & Mag. IST. H. (8) ii. 

 1908, p. 240. 



Chamjjsochromis longiceps (part.) Boulenger, Cat. Xh\ Fish. iii. 

 p. 434(1915). 



Ghampsochromis esox (part.) Boulenger, t. c. p. 435, fig. 297. 



Depth of body 4| in length, length of head 3. Snout with 

 convex upper profile, g length of head. Diameter of eye 7^ to S^^ 

 •in length of head, interorbital width 3|. Lower jaw projecting; 

 only the inner edge of praemaxillary sheathed by preeorbital. 

 5 or 6 series of scales on cheek. 43 or 44 scales in a longitudinal 

 series, 7 or 8 from origin of dorsal to lateral line. Dorsal XVIII- 

 XX 12; last spine -1- length of head. Anal III 10. Pectoral 

 i length of head. Caudal peduncle 2| as long as deep. Silvery; 

 back darker ; an opercular spot and a lateral band. 



Two spirit-specimens, one of 370 mm. the type figured by 

 Boulenger, the other 330 mm. long (il/oore), and a skeleton with 



39 (19 + 20) vertebrae. 



6. Rhamphochrgmis leptosoma, sp, n. 



Paratilapia esox (part.) Bouleng. Ann. & Mag. X. H. (8) ii. 

 1908, p. 240. 



Cham^isochromis esox (pait.) Bouleng. Cat. Afr. Fish, iii, p. 435 

 (1915). 



Depth of body 5^ in length, length of head 3. Snout 

 h length of head, with straight upper profile ; diameter of eye 7k 

 in length of head, interorbital width 4. Distal half of praemaxil- 

 lary sheathed by prseorbital for nearl}^ its whole width ; jaws 

 meeting antei'iorly, but chin ])rominent. 6 series of scales on 

 cheek. 43 scales in a longitudinal series, 7 from origin of dorsal 

 to lateral line. Dorsal XJX 13 ; last spine -^ length of head, 

 daudtd peduncle 2| as long as deep. Silvery ; back darker ; 

 a dark opercular ^pot and a lateral band. 



A single specimen, one of the types of P. esox, 380 mm. in 

 total length. 



15. AuLGNGCARA, gen. n. 



Fron^l, nasal, orbital, praeopercular, and mandibular bones 

 with large channels with wide openings as Trematocara, from 

 which Aulonocara may be distinguished externally by the bicuspid 

 outer teeth, the moi'e numerous dorsal spines, and the presence of 

 two lateral lines. 



