58 THE VOYAGE OF H.M.S. CHALLENGER. 



Zygcena malleus, Eisso, (stufled), Tongtitabu. 

 Tri/gon kuhli, M. and H., Tongatabu. 

 Serraiius dispar, Playf., Tongatabu. 

 Mesoprion fulviflamma, Forsk., Tongatabu. 

 Dules marginatus, C. V., Papeuriri, Otaheiti. 

 Ccesio tile, C. V., Tongatabu. 

 Gerres oyena, Forsk., Tongatabu. 

 Holocentrum spiniferum, Forsk., Tongatabu. 



Caranx liippos, L., brackish water near Papiete, Tahiti. 



Gininx hippos, L. : Gthr., Fish., vol. ii. p. 449, and Fisch. d. Siidsee, p. 131, taf. Ixxxiv. 



Acantliurus (?), sp., young {Acromirus), brackish water near Papiete, Tahiti. 

 Eleotrisfusca, Bl., Schn., streams and brackish water near Papiete, Taliiti. 

 Mugil kelaarti, Gthr., Tongatal)U. 



Mugil tongee, n. sp. 



D. 4/|-, A. f, L. hit. 45, L. transv. 16. The height of the body is one-fourth of the 

 total length (without caudal), the length of the head two-sevenths ; the snout is very 

 broad, the width of the interorbital space being a little more than two-fifths of the 

 length of the head. Eye with a broad adipose membrane. Lips thin ; the maxillary is 

 nearly entirely covered by the prseorbital, only a narrow strip of its extremity being- 

 visible ; cleft of the mouth nearly twice as broad as deep ; the angle made by the 

 anterior margins of the mandibles slightly exceeding a right one. Anterior dorsal spines 

 half as long as the head, occupying the middle of the distance between the snout and the 

 root of the caudal. There are about twenty-six scales l3etween the snout and the spinous 

 dorsal fin ; the eleventh, thirteenth, and twenty- seventh scales of the lateral line corre- 

 spond to the extremity of the pectoral fin, and to the origins of the two dorsals. Colora- 

 tion uniform. Length of specimen, 6^ inches. Tongatabu. 



Gomplwsus tricolor, Q. and G., Harbour of Tahiti. 



Anguilla aneitensis, Gthr., Lake Waihirra, Tahiti. A malformed specimen from 



Eiver near Lake Waihirra. 

 Anguilla mauritiana, Benn., Lake Waihirra, Tahiti. 

 OpMchthys maculosus, Cuv., Tongatabu. 

 Murcena nebulosa, Ahl., Tahiti. 

 Murcena richardsoni, Blkr., Tahiti. 

 Diodon hystrix, L., Tahiti. 



