382 



TELEOSTET. ACANTHOPTEBYGII. 



B. v. D. 13/15. P. 17. A. 2/16. C. 17. L. 1. 28. L. tr. 3/9. 



Length of head from 4 to 4|, height of body 2| in the total 

 length. Eyes diameter 2| in length of head, f diam. from end of 

 snout, and 1 apart. Greatest depth of preorbital equals half dia- 

 meter of eye. Suborbital ring of bones serrated, two strong denti- 

 culations on first bone. Two opercular spines. Colour oliA r a- 

 ceous ; caudal yellow ; each scale with one or two blue spots ; 

 three to five blue lines on forehead, the outer of which are con- 

 tinued on to the nape, and sometimes along base of dorsal. A 

 dark round spot on the opercle ; a blue-edged black spot across 

 free portion of tail. The immature have a similar spot on anterior 

 third of soft dorsal. 



Hob. Red Sea, east coast of Africa, Andamans, Mcobars, Malay 

 Archipelago, and beyond. 



1227. (2.) Pomacentrns trimaculatus. (Fig. 128.) 



Dascyllus trimaculatus, Cuv. $ Veil. H. N. Polss. v. p. 441. 

 Pomacentrus triniaculatus, Day, Fish. India, p. 382, pi. Ixxx, fig. 10 

 (see synon.). 



B. v. D. 13/14-15. V. 1/5. A. 2/13-15. C. 17. L. 1. 27-28. L. tr. 4/9. 

 Length of head 4 to 4|, height of body 3 to 3| in the total 

 length. Eyes diameter 3 to 3 in length of head, 1 diam. from 

 end of snout and also apart. Preorbital entire, suborbital bones 

 serrated. Greatest depth of preorbital rather above \ diameter of 

 eye. Fins posterior dorsal spines slightly longer than middle 

 oucs ; caudal emarginate. Scales a row of small ones along bases 

 of dorsal and anal fins. Colour greenish yellow, with three black 



Fig. 128. Pomacentrus trimiuulatus. 



dorsal blotches, the first extending from origin of dorsal fin to 

 snout, second between 7th and 10th dorsal spines, third from 



