4. LEPIDOZTGUS. 15 



The typical specimens appear to be lost ; the characters given in 

 the dcseiiption indicate that this fish does not belong to Heliastes ■ 

 it appears to be identical with D. .ranthosoma. 



The " Pomacentre gros yeux," Lienard, Dixieme Eapp. Soc. Hist 

 JNat. Maur. p. 34, also appears to be identical with this species. 



7. Dascyllus cyanurus. 

 ? Poniacentrus viridis, (Ehrmb.) Cm. &,■ Val. v p 420 

 Dascyllus cyanurus, EiipjieU, N. W. Fische, p. 127. taf.'si. fig. 4. 



^- 9=fr ^- T^,- Caec. pylor. 2. 



The height of the body is nearly one-third of the total length. 

 Green: tail blue; operculum with some blue spots; a black spot at 

 the base of the pectoral ; the other fins reddish. 



Massaua. 



8. Dascyllus polyacanthus. 



Bheher, Natimrk. Tydschr. Nederl. Ind. ix. p. 503, and Act. Soc. Sc. 

 Indo-JSedeii. ii. Amhoina, p. 71. 



^- IFTi- ^^- 1^6- ^- ^at. 32-33. L. transv. 3/11. 



Teeth of the upper jaw in a double, of the lower in a single series. 

 Caudal fin forked. Brownish, sometimes with darker spots ; pec- 

 torals yellow, the other fins brown. ^ 



Coasts of Sangi, Batjan, and Amboyna. 



«. Four and a half inches long. From Dr. P. v. Blocker's Collection. 



4. LEPIDOZYGUS. 



Pomacentni.9, sp., Bleeker. 



Praoperculum serrated ; prseorbital distinct, the other suborbitals 

 and the praoopcrcular Umbs hidden by scales. Teeth smaU, subconical 

 111 a single senes. Dorsal fin with about twelve spines, anal with 



I' i'm"'' ""^ "'O'lerate size, in more than thirty transverse series. 



bea ot Ternate. 



This genus is separated from Pomacentrus on account of the in- 

 creased number of scales, a character accompanied by quite a pecu- 

 liar physiognomy and by a diiferent dentition. 



1. Lepidozygus tapeinosoma. 



Pomaceutrus tapeinosoma, Bkvker, Tvniate, vii. p. 376. 

 D. n- A. ^. L. lat. 36. L. transv. 3/9. 

 The height of the body is one-fourth or rather more than one- 

 toui-th ot the total length. Prajoperculum slightly serrated The 

 posterior and midcUe dorsal spines are nearly equal in length ; caudal 

 fan forked. OUve, with blue dots ; fins immaculate. 

 Sea of Ternate, 



a. Fine specimen. From Dr. P. v. Blocker's CoUection. 



