700 



MR. C. TAXE REGAN 0>' THE 



bicuspid, about 60 in outer series of upper jaw. 3 or 4 series 

 of scales on cheek. 10 or 11 gill-rakers on lower part of anterior 

 arch. Lower pharyngeal a small weak plate bearing small 

 compressed bicuspid teeth. 30 to 32 scales in a longitudinal 

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

 XY 10-11; last spine | to ^ length of head. Anal III 8-9 ; 

 third spine a little shorter than last dorsal. Pectoral as long 

 as or a little shorter than head, reaching origin of anal or 

 a little beyond. Caudal slightly emarginate. Caudal peduncle 

 1^ to II as long as deep. Silvery; four blackish spots, the first 

 on operculum, the second on upper lateral line below spinous 

 dorsal, the third on side below soft dorsal, the fourth at base of 

 caudal. 



Three of the t_ypes, 105 to ! 10 mm. in total length. 



20. Haplochromis placodox, sp. n. (Text-fig. 15.) 



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

 Snout with straight or convex profile, shorter than postorbital 

 part of head. Diameter of eye equal to or greater than depth 



Text-fioure 15. 



Uaplocliroinis placodon. J. 



of pra?orbital; 3| to 4| in length of head, interorbital width 3-^ 

 to 3|. Jaws equal anteriorly, lower | length of head ; maxillary 

 not extending to below eye ; teeth in 4 or 5 series, outer 

 bicuspid, 50 to 55 in outer series of upper jaw. 3 or 4 series of 

 scales on cheek. 8 or 9 gill-rakers on lower part of anterior 

 ai'ch. Lower pharyngeal a lai'ge and strong plate Ijearing large 

 rounded flat teeth. 31 to 33 scales in a longitudinal series, 

 4 or 5 from orisin of dorsal to lateral line. Dorsal XYI 10-11 ; 



