136 MB. G. A. BotJLBNGEE ON THE AEEICAN AISTD [Feb. "7, 



last spine longest, ^ length of head, |- longest soft rays. Pectoral 

 obtusely pointed, f length of head, not extending to origin of anal. 

 Ventral reaching origin of anal. Anal III 7 ; third spine shorter 

 and stronger than last dorsal. Caudal rounded. Caudal peduncle 

 as long as deep. Scales ctenoid, 26-27 -^ ; lat. 1. -^zw' ^^^^ 

 greenish above, silvery beneath ; a blackish bar below the eye ; 

 brown stripes on the snout and between the eyes, two continuous 

 or interrupted brown stripes along the body, two brown spots on 

 the tail, and a few round, yellow, brown-edged spots on the 

 anal fin. 



Total length 120 minim. 

 "" Syria, around Lake of Galilee. 



55. TiLAPIA PHILANDER. 



Chromis (Gtenocliromis) philander, M. Weber, Zool. Jahrb., Syst. 

 X. 1897, p. 148. 



Teeth in 3 series in both jaws, outer moderately large, with 

 strong lateral cusp, inner very minute. Depth of body equal to 

 or a little less than length of head, which is contained 2|- to 2|- 

 in total length. Snout with slightly convex upper profile, a little 

 longer than the eye, which is contained nearly 4 times in length of 

 head and equals interorbital width ; mouth moderate, |- width of 

 head ; maxillary extending to below anterior border of eye ; 3 

 series of scales on the cheek ; large scales on the opercle. Grill- 

 rakers short, tubercle-like, 8 on lower part of anterior arch. 

 Dorsal XIII-XIV 9-10 ; spines subequal from the third, a little 

 more than ^ length of head, f- to | longest soft rays. Pectoral 

 obtusely pointed, f length of head, not extending to origin of anal. 

 Ventral reaching vent or origin of anal. Anal III 8-10 ; third 

 spine nearly as long as longest dorsal. Caudal rounded. Caudal 

 peduncle as long as deep. Scales ctenoid, 27-28 ^; lat. 1. -gig-* 

 Olive-brown, with an indistinct darker lateral stripe ; a blackish 

 opercular spot ; soft dorsal and anal with small dark and light 

 spots. 



Total length 55 millim. — Grows to 65 millim. 



Natal, Transvaal. 



56. TiLAPIA LABIATA. 



Tilapia labiata, Bouleng. Tr. Zool. Soc. xv. 1898, p. 17, pi. v. 

 fig. 1. 



Outer teeth rather large, feebly notched ; inner teeth very small, 

 tricuspid, in 3 or 4 series. Depth of body equal to length of head, 

 2|- to 2| times in total length. Snout with straight upper profile, 

 Ij to 1| diameter of eye, which is 3^ to 4^ times in length of 

 head and equals interorbital width ; maxillary not extending 

 to below anterior border of eye ; 3 or 4 series of scales on the 

 cheek ; large scales on the opercle ; lips very sti'ongly developed, 

 both produced into a large triangular lobe in front. Gill-rakers 

 moderate, 15 on lower part of anterior arch. Dorsal XVIII 10 ; 



