230 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



U. S. Nat. Mus., vol. 41, 1912, p. 544 (Tokyo, Misaki, Enoshima, Wakanoura, 

 Nagasaki). — Izuka and Matsuuka, Cat. Zool. Spec. Tokyo Mus., Vertebr., 

 1920, p. 149 (Boshiu). — Fowler, Proc. Acad, Nat. Sci. Philadelphia, 1929, 

 p. 591 (Nagasaki), p. G08 (Houg Kong). 



Pristipoma japonicum Cuvieb, Hist. Nat. Poiss., vol. 5, 1830, p. 288. Japan. — 

 SCHLEGEL, Fauna Japou., Poiss., pts. 2-4, 1843, p. 60, pi. 26, fig. 2 (south- 

 west coast of Japan). — Richardson, Ichth. China Japan, 1846, p. 228 (coast 

 of China and Japan). — Bleeker, Act. Soc. Sci. Ind. N6erland., vol. 3, No. 

 10, 1857-1858, p. 3 (Kioesio), p. 5 (Japan), p. 14.— GtJNTHEE, Cat. Fish, 

 Brit. Mus., vol. 1, 1859, p. 303 (Chinese Seas). — Steindachner and Dodee- 

 LEiN, Denkschr. Akad. Wiss. Wein, Math.-nat. Klasse, vol. 48, pt. 1, 1883, 

 p. 10 (Tokyo). — Ishikawa and Matsuura, Prelim. Cat. Fish. Mus. Tokyo, 

 1897, pp. 54, 55. — Franz, Abh. Bayer. Akad. Wiss., vol. 4, Suppl. Band 1, 

 1910, p. 47 (Yokohama). 



Dioyramma japonicum Bleekek, Verb. Batav. Genootscb. (Japan), vol. 25, No. 

 7, 1852, p. (12)31 (Nagasaki). 



Plectorhynchus ocyurus Jordan and Evermann, Proc. U. S. Nat. Mus., vol. 25, 

 1903, p. 348, flg. 19. Formosa. — Jordan and Richardson, Mem. Carnegie 

 Mus., vol. 4, No. 4, August 28, 1909, p. 187, fig. 17 (copied). 



Diagramtna aporognathus Regan, Ann. Mag. Nat. Hist., ser. 7, vol. 16, 1905, p. 

 364. Inland Sea of Japan. 



Depth 3 to 3%: head 32/5 to 31/2, width 1% to 214. Snout 3 to 

 31/4 in head from snout tip; eye 3i/^ to 4%, 1 to ly^ in .snout, greater 

 than interorbital in young to 1^ to ly^ with age ; maxillary reaches 

 y^ in eye, expansion 1% to 2 in eye, length 2% to 3% in head from 

 snout tip; teeth fine, in rather narrow bands in jaws of 5 irregular 

 series, with outer row little enlarged ; palate and tongue edentulous : 

 interorbital 314, convexly elevated; preopercle edge with 35 rather 

 slender well exposed denticles, most on vertical edge. Gill rakers 

 17 or 18 + 25, slender, lanceolate, slightly less than to equal to gill 

 filaments or 1% to 1% in eye. 



Scales 90 to 92 in lateral line (counted along close above) to 

 caudal base and 12 more on latter ; pores 53 in lateral line to caudal 

 base and 6 more on latter; 17 scales above lateral line, 16 below; 

 50 to 67 predorsal, 14 to 17 rows on cheek. Suprascapula with 

 several blunt spines. Scales with 5 basal radiating striae; apical 

 denticles 55, small, slender, with 10 transverse series of basal 

 elements ; circuli very fine. 



D. XIV, 17, 1 or 18, i, fourth spine 2l^ to 2^^ in total head length, 

 first ray 3 to 3% I A. Ill, 7, i, third spine 2^^ to 2l^, first ray 2 to 

 2%?; caudal 1^^ to l^^j concave behind; least depth of caudal 

 peduncle li^ to 24^ ; pectoral II/5 to ly^ ; ventral 1% to I34. 



Largely uniform brown with age, little paler below. On body 

 each row of scales with streak formed obliquely as scales slope 

 upward, both above and below lateral line. Iris reddish brown. 

 Fins all more or less darker brown than body. Brassy to silvery 

 reflections on side of head below and abdomen. In smaller or 

 young examples 3 whitish longitudinal bands, lowest from eye to 



