106 "ENDEAVOUR" SCIENTIFIC RESULTS. 



FAMILY LETHRINID^E. 



Genus PENTAPUS, Cuvier Sf Valenciennes. 



PEXTAPUS YITTA, Qnoy ' Outward. 



(Plate xxi.) 



Pentapodus vitta, Qnoy & Graimard, Voy " Uranie et Physi- 

 cieune," Zoo!., 1821, p. 294, pi. xliv., fig. 4. 



Pentapus vitta, Cuvier & Valenciennes, Hist. Nat. Poiss., vi., 

 1830, p. 204. J/7., Giinther, Brit. Mus. Cat. Fish., i., 

 1859, p. 381. Id., Castelnau, Res. Fish. Austr. (Viet. 

 Offic. Rec. Philad. Exhib.), 1875, p. 12. Id., Macleay, 

 Proc. Linn. Soc. N,S. Wales, v., 1881, p. 384. Id., Waite. 

 Rec. Austr. Mus., iv., 1902, p. 185. 



? Mcenoides auro-frenatus, Richardson, Icones Piscium, 1843, 

 p. 8, pi. v., fig. 2. 



Smarts porosus, Richardson in Stokes, Discov. in Austr., i., 

 1846, p. 489, pi. iii. 



D. x. 9; A. iii. 7; P. 16; V. i. 5 ; C.17; L. 1 at. 47-49. Height 

 of body before the ventrals 3-3.16, length of head 3.3 in the 

 length to the hypural. Eye 4.2-4.4 in the head and narrower 

 than the interorbital width, which is 3.1-3.2 in the same. Snout 

 2.6-2.7, and breadth of caudal peduncle 2.8-2.9 in the head. 

 Fifth dorsal spine 2.5-2,7, seventh ray 2.3, third anal spine 

 3.9-4.4, and pectoral 1.45 in the head. 



Body compressed. The snout is rather pointed and its upper 

 profile is a little convex. Maxillary not reaching back to the 

 verticle of the eye. Nostrils small, and placed in the hinder half 

 of the snout, the anterior with a small skinny lobe. Preorbital 

 edge entire. Preopercular angle broadly rounded, its hinder 

 border smooth or crenulate. Operculnm with a single small 

 spine, the margin rounded. Premaxillaries with a band of 

 villiform teeth which is broad anteriorly and becomes very 

 narrow on the sides ; two rather large and one small canine on 

 each side of the symphysis. Mandible with villiform teeth 

 anteriorly and a single row of larger ones on each side ; each 

 ramus with a canine in front. Vomer and palatines toothless. 



Scales with finely ciliated edges. They are largest between 

 the lateral line and the dorsal fin, and much smaller below it and 

 on the caudal peduncle. They extend forward on the upper sur- 

 face of the head to between the nostrils, and cover the cheek and 

 all the opercles. The preorbital, snout, and lower jaw are naked 

 and porous. The bases of the dorsal and anal are protected by 



