10 POMACENTEID.'E. 



l(i. Amphiprion akallopisus. 

 Bk'eker, Sumatra, ii. p. 281, and Groot Obi/, p. 438. 

 ^■^s- ^h- L.lat.60. 

 Uniform orange-coloured, each scale with a bluish dot. A blue 

 line commences on the middle of the forehead and runs along the 

 base of the dorsal fin to the back of the tail. Dorsal fin with a 

 slight notch superiorly. 

 Sea of Priaman. 



a. From Dr. P. v. Blocker's Collection, 



17. Amphiprion ephippimn. 



Prochilus, sp., Klein, Pise. 3Iiss. v. p. 60. tab. 12, fig. 1. 



Chffitodon, sp., Seba, iii. p. 70. tab. 26. fig. 25. 



Lutjanus ephippium, £1. iv. p, 121. taf. 201. fig. 2 ; Lac^p. iv. pp. 229, 



230. 

 Amphiprion ephippium, Bl. ScJin. p. 200 ; Cuv. i^ Val. v. p. 386 ; 



ScJik'q. Overz. Amphipr. iSjr. m Verhancl. Nat. Gesch. Nederl. Overz. 



Beziit. p. 18 ; Bleek. Batoe, p. 321. 

 Coracinus insignitiis, Gronov. Syst. ed. Gray, p. 57. 



^- iTiB- ^- h ^- ^at- 55- I'- t^'^nsT, 7/18. Cffic, pylor. 2. 



Wholly dirty-yeUowish (ia spirits), with a very large brown blotch 

 below the dorsal fin, and cxtendrng nearly to the anal fin ; ventral 

 fin with the oiiter margin brownish. The spinous dorsal is rather 

 low, with the five posterior spines longest. The height of the body 

 is one-half of the total length (the caudal not included). 



Indian Ocean and Archipelago. 



a. Fine specimen. 



2. PREMNAS. 



Premnas, Cuv, Bkgne Anim. 



AH the opercles are serrated, the prteorbital terminating in a very 

 strong and long spine posteriorly. Teeth small, conical, in a single 

 series. Dorsal fin with nine or ten spines, anal with two. Scales 

 small ; the lateral line ceases below the end of the dorsal fin. Bran- 

 chiostegals five or six ; gills three and a half; pseudobranchite present; 

 an air-bladder. Pyloric appendages three. 



East Indian Archipelago, 



1. Premnas biaculeatus. 



Premnas biaculeatus, Bhek. Banda, iii. p. 105, 



Var. a. 

 Premnas loucodesmus, i^KiM i^- v. Hass.) Cuv. ^- Val. v. p. 409. 



Yar. /3. 

 Bennrd, Poiss. Mol. i. pi. 22. fig. 122. 



Percis, sp., Kolreut. in Nov. Comm. Pctrop. x. p. 346. tab. 8. fig. 5. 

 Chfetodon biacideatus, Bl. taf. 219. fig. 2. 



