FISHES OF THE PHILIPPINE AND ADJACENT SEAS 



285 



7828, 7829. Bugsuk Island. January 5, 1909. Length 418 to 486 mm. 

 5938. Zamboanga. May 25, 1908. Length 305 mm. 



NASO THYNNOIDES (Valenciennes) 



Axiiitirus thynnoides Valenciennes, Hist. Nat. Poiss., vol. 10, 1835, p. 299, 



pi. 293. Dorey Harbor, New Guinea; Regne Animal Cuvier, 111., Poiss., 



1839, pi. 74, fig. 3. 

 Naseus thynnoides Bleeker, Act. Soc. Sci. Ind. N^erland., vol. 2, No. 7, 



1857, p. (5) 5 (Amboina).— GuNTHER, Cat. Fish. Brit. Mus., vol. 3, 1861, 



p. 355 (Amboina). 

 Naso thynnoides Herre, Philippine Journ. Sci., vol. 34, No. 4, Dec. 1927, p. 



469, pi. 7, fig. 3 (Bulalacao Bay, Tablas, Ibahay, Mariveles, Dumaguete). 



Fig. 24.— Rostral vaeiation with age of Naso thynnoides (Valenciennes) 



Depth 2^ to SYs; head 3J4 to 43^, width V/g to 2. Snout 1% 

 to 2 in head; eye 2% to 43^, 1^4 to 2}4 in snout, 1 to 1% in interor- 

 bital; teeth 60 to 64 in jaws, slender, little compressed, pointed; maxil- 

 lary 4:}4 to 5 in head; interorbital 2% to 3, broadly convex in young, 

 convexly elevated with age. Gill rakers 4 + 11, fleshy, broad, short. 



Body minutely asperous, velvety to touch; asperities scarcely 

 larger in young, velvety. 



D. Ill or IV, 29, I or 30, i, last spine 2 to 2% in head, first ray 2 

 to 2}4; A. II, 27, i or 28, i, second spine 33^ to 33^, first ray 23/^ to 

 2j4', caudal deeply emarginate or forked in young, slightly emargin- 

 ate as expanded in adult, 4 to 43^ in combined head and body; least 



