FISHES OF THE PHILIPPINE SEAS AND ADJACENT WATERS 35 



Lethrinus chrysostomus (not Richardson) Gilchrist and Thompson, Ann. 



South African Mus., vol. 13, pt. 3, p. 69, 1914 (Natal); Ann. Durban Mus., 



vol. 1, pt. 4, p. 360, 1917 (reference). 

 Lethrinus mahsenoides (not Valenciennes) Fowler, Proc. Acad. Nat. Sci. 



Philadelphia, 1925, p. 242 (Delagoa Bay). 

 Lethrinus devisianus Whitley, Records Austral. Mus., vol. 17, No. 3, p. 122, 



1929 (on De Vis). 



Depth 2% to 2%; head 2% to 3, width 2K to S%. Snout 1% to 2% in 

 head; eye 3)^ to 4%, 1% to 2% in snout, greater than interorbital to 

 1 to 1% with age; maxillary extends little beyond front nostril though 

 not quite opposite hind one, little short of front one with age, 2% to 



3 in head; lips moderate, coriaceous; broad band anteriorly of villi- 

 form teeth in each jaw, with outer enlarged row of conic teeth of which 



4 front ones above and below canines, and last 4 each side broadly 

 rounded molars; interorbital 3% to 4}i, broadly convex; naked region 

 of head all finely rugose striate, vertical and divergent little forward 

 on cheek. Gill rakers 5 or 6 + 5, short broad tubercles, about % of 

 gill filaments. 



Figure i.— Lethrinus nebulosus (Forsk&l), young 



Scales 45 or 46 in lateral Une to caudal base and 2 more on latter; 

 6 or 7 above, 14 to 16 below, 9 to 10 predorsal; caudal and pectoral 

 bases with small scales. Scales with 16 to 18 basal radiating striae, 

 with 1 to 5 auxiliaries; 1 10 to 145 apical denticles, with 4 to 8 transverse 

 series of basal elements; circuli very fine. 



D. X, 9, 1, fourth spine 3 to 3Ko in head, fourth ray 2% to 3K; A. Ill, 

 8, I third spine 3)^ to 3%, first ray 2% to 3K; caudal 1% to 1%, well 

 emarginate; least depth of caudal peduncle 2}^ to 3Ko; pectoral iKo to 

 1%; ventral 1% to 1%. 



Generally brown, little paler below. Each scale on body with pale 

 whitish, grayish or yellowish spot, evidently quite sky blue when 

 fresh. Iris yellowish and brown. Preopercle, opercle, and rim around 



