364 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



denticles 27, slender, strong, basal elements in 12 transverse series; 

 circuli very fine. 



D. XII, 10, I, third spine 2^/4 to 2% in head, second ray 2% to 

 2%; A. Ill, 8, I, second spine 2l^ to 2%, second ray 2i/8 to 23/5; 

 caudal 1% to 1%, slightly emarginate, nearly truncate as expanded; 

 least depth of caudal peduncle 3% to 3i^; pectoral 1% to 2^^; 

 ventral 1% to ly'V- 



Back light brown, lower sides and under surface of body silvery 

 white. On back 4 dusky brown to blackish longitudinal bands; 

 third from snout tip through eye; with age between each complete 

 dark band an imperfect or broken similar band, parallel but less 

 conspicuous. Membrane of spinous dorsal marginally broadly 

 dusky to blackish, also some dusky basally and on soft fin forms 

 subbasal blackish band. Caudal with several narrow parallel 

 blackish lines on each lobe horizontally. Dark subbasal band on 

 anal. 



East Indies, Philippines, China, Japan. A handsome species, 

 easily known by its alternating dark longitudinal bands on the back. 



22523 U.S.N.M. Kadzosa, Japan. Japanese Government. Length 180 mm. 

 44916 U.S.N.M. Japan. Japanese Government. Length 238 to 253 mm. 2 

 examples. 



59729 U.S.N.M. Kochi, Japan. Dr. H. M. Smith. Lenj;th 172 mm. 



59730 U.S.N.M. Matsushima Bay. Dr. H. M, Smith. Length 150? mm. 



71178 U.S.N.M. Aliune, Satsuma, Japan. Albatross Collection 1906. Length 

 35 to 70 mm. 10 examples. 



71179 U.S.N.M. Shimizu, Japan. Albatross Collection. Length 135 to 147 mm. 



2 examples. 



71300 U.S.N.M. Kagoshima, Japan. Albatross Collection. Length 120 to ITS 



mm. 2 examples. 

 79450 U.S.N.M. Nagasalii, Japan. Jordan and Snyder. Length 163 to 179 mm. 



3 examples. 



75451 U.S.N.M. Nagasaki. Jordan and Snyder. Length 128 to 137 mm. 2 ex- 

 amples. 

 82140 U.S.N.M. Muyazahi, Japan. Rev. C. A. Clark. Length 74 mm. 



Genus HELOTES Cuvier 



Helotes (Cuvieb and Valenciennes) Cuvier, Regne Animal, vol. 2, ed. 2, 1829, 

 p. 148. Type Terapon sexUneatus Quoy and Gaimabd, monotypic. 



Pseudohelotes Guimaeaes, Jorn. Soc. Sci. Math. Lisboa, vol. 8, 1881 (1882), p. 

 222. Type Pseudohelotes guntheri Capello, monotypic. 



Teeth compressed, tridentate. 



With the exception of Pseudohelotes guntheri Capello, which was 

 described from Setubal, all the species are Indo Australasian. 



ANALYSIS OP SPECIES 



a*. Depth 214 ; head 3% to 3% ; color uniform lorentzi. 



a'. Depth 3^/^ to 4 ; 5 black horizontal bands, also black blotch at shoulder. 



sexUneatus. 



