FISHES OF THE PHILIPPINE AND ADJACENT SEAS 385 



CALLYODON OEDEMA Snyder 



Callyodon oedema Snyder, Proc. U. S. Nat. Mus., vol. 36, 1909, p. 603. 

 Nafa Okinawa; vol. 42, 1912, p. 509, pi. 67, fig.* 1 (type). 



Depth 23^ to 23/^; head 22-^ to 3, width 2}i to 2^. Snout 2}4 

 to 2'^i; eye 7 to 8K, 3)^ to 4 3^ in snout, 2}4 to 33^ in interorbital ; 

 mouth cleft 4 to 5 in head; lips l-i to 3^ cover teeth; no canines; 

 nostrils small, hind one but little larger than anterior; interorbital 

 2^ to 33^ in head, convex, with elevated rounded prominence above. 

 Gill rakers 20 + 23, slender, fine, short. 



Scales in lateral line 19 or 20, 5 + 2; 2 scales above lateral line, 6 

 below, 4 predorsal; 2 rows of scales on cheek, of 5 in lower row, none 

 on preopercle flange. Scales with 29 to 34 basal radiating striae, 

 apical 24 to 28; circuli very fine. 



D. IX, 10, I, ninth spine 2f4 to 3 in head, first ray 2% to 23^, last 

 ray 214; A. Ill, 9, i, third spine 3^ to 3H, first ray 2% to 2j4, last 

 ray elongated with age; caudal 13^ to 1%, convexly rounded behind; 

 least depth of caudal peduncle 2i^ to 23^; pectoral 1}4 to 13^; 

 ventral 1)4 to 1%. 



Body deep uniform chocolate. Fins all neutral blackish. Teeth 

 white. Iris yellowish brown. 



At present known only from the Kiu Kiu Islands and the examples 

 below. The species differs markedly in the swollen occipital crest, 

 somewhat suggestive of a hooded seal, its dark color, and white teeth. 



A. 1895 and 8791. Santiago River, Pagapas Bay, Luzon. February 20, 1909. 



Length, 428 to 433 mm. 

 A. 1389 to A. 1394. Tampotana Island. December 21, 1909. Length, 295 to 



432 mm. Canines present as follows: A. 1390, upper, 2 — 1; lower, — 0; 



A. 1391, upper, 0—1; lower, 0—0; A. 1392, upper, 1—1; lower, 0—0; A. 1393, 



upper, 2 — 1; lower, — 0. 

 62951 U. S. N. M. Nafa, Okinawa. Albatross collection. Type of Callyodon 



oedema. 



CALLYODON ERYTHRODON (Valenciennes) 



Scarus erythrodon Valenciennes, Hist. Nat. Poiss., vol. 14, 1839, p. 255. 

 Mauritius. 



Pseudoscarus erythrodon Guichenot, Mem. Soc. Sci. Nat. Cherbourg, vol. 11, 

 1865, p. 49 (type). — Gunther, Fishes of Zanzibar, 1866, p. 107 (Zanzi- 

 bar). — Day, Fishes of India, pt. 3, 1877, p. 413 (Port Blair). — Gunther, 

 Journ. Mus. Godeffroy, vol. 8 (16), 1909, p. 319 (East Africa, Ceylon, 

 Pelew Islands, Yap, New Hebrides, Marquesas, Samoa, Raiatea, Tahiti). 



fCalliodon lineatus Schneider, Syst. Ichth. Bloch, 1801, p. 312 (on Gronow, 

 Zoophylac, vol. 2, 1763, p. 72, pi. 7, fig. 4). 



Scarus cruentatus Valenciennes, Hist. Nat. Poiss., vol. 14, 1839, p. 277. 

 Ulea. 



Scarus sumhawensis Bleeker, Journ. Ind. Arch., vol. 2, 1848, p. 638. Sum- 

 bawa. — Gunther, Cat. Fish. Brit. Mus., vol. 4, 18G2, p. 232 (EaS't Indies), 



Pseudoscarus sumhawensis Bleeker, Atlas Ichth. Ind. N6erl., vol. 1, 1862, 

 p. 47, pi. 15, fig. 4 (Batu, Celebes, Sangi, Sumbawa, Timor, Banda). 



