18. PKNTAPTJS. 381 



ciKated, Pseudobranchiao. Svvim-bladdcr simple. Pyloric a])pendages 

 in small number. 



East Indian and Australian Seas. 



1. Pentapus aurolineatus. 

 Spams aurolineatus, Lacep. iv. p. 1.32. 



Pentapus aurolineatus, Cuv. ^- Veil. vi. pp. 269, 559. pi. 167 ; Bleeher, 

 Halmaheira, p. 7. 



D. j;. A. ,j^. L. lat. 70-75. L. transv. 6/17. 



The upper maxillary with a crenulated longitudinal ridge ; four 

 or five series of scales between the prasorbital and the angle of the 

 prgeoperculum. The third anal spine longest. Body with more or 

 less distinct longitudinal stripes ; a white spot on the back, beneath 

 the end of the dorsal fin. 



Isle de France ; Molucca Sea ; Louisiade Archipelago. 



a-c. Adult : stufied. Louisiade Archipelago (in 43 to 50 fathoms). 



Voyage of the Rattlesnake. 

 d. Adult. Isle de France. From the Collection of the Zoological 



Society (Dentex lycogenis, Benn.). 



2. Pentapus vitta. 



Quoy ^ Gahn, Toy. Freyc. JJran. Poiss. p. 294. pi. 44. f. 4 ; Cuv. ^ Vol, 

 vi. p. 204. 



D. ^. A. j-^. L. lat. 60. L. transv. 6/20. 



The margin of the prseoperculum without distinct scales, slightly 

 striated. The height of the body equals the length of the head, and 

 is about one-fourth of the total. The diameter of the eye is shorter 

 than the snout, and the distance between the eyes one-fourth of the 

 lengtli of the head. Caudalis forked, with acute lobes. The spines 

 of the fins feeble ; scales of the praeoperculum small, in about six 

 series ; the second of the anal one-half of the third. A broad 

 brownish-black band from the snout through the eye to the upper 

 half of the root of the caudal fin. 



Coasts of Austraha, 



a, b. Adult : stuffed. Victoria (Australia). Voyage of H.M.S. 

 Herald. 



c-f. Adult : skins. Houtman's Abrolhos. From Mr. Gould's Col- 

 lection. 



g. Adult : not good state, 'From the Haslar Collection. 



3. Pentapus peronii. 



Cuv. (§• Val vi. p. 268. 



D. ^. A. 1. L. lat. 50. Csc. pylor. 6. 



The margin of the prsooperculum scaleless ; pectoral very short ; 

 a black band from the eye to the caudal fin. (Vol.) 

 Hub. ? 



