128 



PRISTIPOMATID-E. 



D. XII-XIII 18-21 ; Sc. 80-100 ^^^ ; second 



anal spine longer than longest dorsal ; caudal 



truncate or feebly emarginate 



D. XIV 16 ; Sc. 55-60 j'^,„ ; second anal spine 



nearly as long as longest dorsal ; caudal 



rounded 2. B. marrolepis, Blgr., p. 129. 



1. D.cjriseum, C. & V., p. 128. 



1. DIAGRAMMA GRISEUM. 

 Cuv. & Val. Hist. Poiss. v. p. 306 (1860) ; Gliuth. Oat. Fish. i. p. 321 (1859) ; 



Playf. & Gunth. Fish. Zanzib. p. 2(>, pi. iv. fig. 3 (1866) ; Playf. Proc. Zool. 



Soc. 1867, p. 850; Day, Fish. Ind. p. 81, pi. xxi. fig. 2 (1875), and Suppl. 



p. 785 (1888) ; Buuleng. Proc. Zool. Soc. 1889, p. 245. 

 I>iagramma jayakari, Bouleng. Proc. Zool. Soc. 1887, p. 656. 



Depth of body 2^ to 2f times in total length, length of head 3 to 

 3^ times. Upper profile of head curved ; snout as long as or a little 



Fio;. 93. 



Diacjramma griseum. 

 After Playfair and Giiather (/. c). ^. 



longer than eye, which is 2| (young) to Q\ times in length of head and 

 equals or a little exceeds interocular width ; mouth extending to below 

 nostrils or anterior border of eye ; lips thick ; 4 pits on the chin ; 

 posterior border of praeoperculum rather strongly denticulated ; oper- 

 culum with two blunt points ; part of snout naked, remainder of head 

 covered with scales. 16-17 gill-rukers on lower part of anterior arch. 

 Dorsal XIl-XIlI 18-21 ; spines rather strong, increasing in length to 



