5. I'OMACENTfiUS. 23 



16. Pomacentrus pavo. 



Chffitodon pavo, Bl. t. 198. f. 1 ; Bl. Schn. p. 228. 



Pomucentrus pavo, Lacdp. iv. p. 508 ; Rupp. All. Fische, p. 37 ; Cuv. 



l<f Vol. V. p. 413 ; Cuv. Rbyne Anim. III. Poiss. pi. 32. fig. 3 ; Bleek. 



Banda, i. p. 247 ; Peters in Wiegtn. Archiv, 1855, p. 265. 

 Holocentrus diacanthus, Lacep. iv. pp. 338, 373. 



^- Fa- ^- 1^- ^- ^^*- 2^-30. 



The height of the body is contained thrice and a fourth or thrice 

 and a thii'd in the total length ; the serrature of the praeorbital is 

 minute and inconspicuous ; operculum with a single spine. The pos- 

 terior dorsal spines are scarcely longer than the middle ones ; caudal 

 deeply emarginate, with the lobes pointed. Blue, each scale with a 

 brown vertical streak. Belly and fins yellow, the former and the base 

 of the dorsal and anal with blue dots ; a brown spot on the scapula. 



Molucca Sea. Coast of Mozambique. 



a. Fine specimen. Amboyna. Purchased of Mr. Frank. 



Pomacentrus pavoninus (Bleek. Solor, p. 85) has been separated by 

 Dr. Bleeker from this species, because it has the lobes of the caudal 

 fin roimded, like P. prosopotcenia; but it is known fi-om a single 

 specimen only. 



17. Pomacentrus prosopotsenia. 



Bleek. Singapore, p. 67. 



^- iTTs- ''^- n- ^- ^^*^- 28-29. L. transv. 3/9. 



The height of the body is one-third of the total length ; prteorbital 

 strongly serrated ; the dorsal spines increase in length towards behind ; 

 caudal fin emarginate, with the lobes rounded. Greenish, each scale 

 with a narrow vertical blue streak ; a blue line across the praeorbital 

 and another between the orbits ; a small blue ocellus at the oiigin of 

 the lateral line ; sides of the head and base of the dorsal and anal fins 

 with blue dots, the latter with a blue line along and near the margin; 

 axil of the pectoral blackish-violet. 



Singapore. Molucca Sea. 



a. Six inches long. Moluccas. 



h. Half-grown. Amboyna. Purchased of Madame Ida PfeifFer. 



c. Adult : bad state. From the Haslar Collection. 



d. Seven inches long. From Dr. Berthold Seemanu's Collection. 



Pomacentrus perspicUlatus{(^\iy . & Val. v. p. 417), with a brown spot 

 between the seventh and ninth dorsal spines, is, perhaps, a varietj' of 

 this species. 



18. Pomacentrus cseriUeus. 

 Quoy (§• Gaim. Voij. Uran. Zool. p. 397. pi. 64. fig. 2; Cuv. ^ Val. v. p. 418. 

 D. i|. A. ^. Ctec. pylor. 3. Vert. 1115. 

 The height of the body is one-third of the total length ; the dorsal 



