128 



PRISTIPOMATID.E. 



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



anal spine longer than longest dorsal ; caudal 



truncate or feebly emargimite 1.2?. gri. 



D. XIV 16 ; Sc. 55-60 jjpjb ; second anal spine 



nearly as long as longest dorsal; caudal 



rounded 2. 2?. macrolepis, Blgr., p. 120. 



i, C. & V., p. 128. 



1. DIAGRAMMA GRISEUM. 

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



Playf. & Giinth. Fish. Zanzib. p. 26, 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) ; Bouleng. Proc. Zool. Soc. 188S), p. 24:0. 

 Diagrdmmajayakari, 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 



Fig. 93. 



Diagramma griscum. 

 After Playfair and Giinther (/. c). -f. 



longer than eye, which is 2|- (young) to 3^ 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-rakers on lower part of anterior arch. 

 Dorsal XII-XIII 18-21 ; spines rather strong, increasing in length to 



