536 



PROCEEDINGS OF THE NATIONAL MV8EVM. 



VOL. 41. 



6^ Snout short; gill-rakera 8+13; scales about 18-95-33; maxillary ending under 



pupil; bands on body 3 in number, curved, the convexity downward; spinous 



dorsal with a large black sjjot servus, 7. 



a^. Pelates. Dorsal fin not deeply divided, the last two spines subequal; teeth all 



villiform, the outer scarcely enlarged; opercular spines weak. 



b^. Snout produced; gill-rakers 8+13; peritoneum pale; scales 15-72-22; maxillary 



ending under nostrils; body bands straight, 4 strong and 4 alternating weaker 



ones; spinous dorsal broadly margined with black, no large spot present. 



oxyrhynchus, 8. 

 7. THERAPON SERVUS (Bloch). 



YAGATAISAGI (arrow bass). 



Eolocentrus servus Bloch, Ichthyologia, pi. 238, 1797, fig. 1 (Japan). 



Grammistes servus Bhocn and Schneider, Syst. Ichth., 1801, p. 185 (Japan), 

 (after Bloch). 



T}ierapon servus IsniK AW A., Prel. Cat., 1897, p. 55 (Wadamiu-a, in Izu, Miyako- 

 jima.) 



Therapon jarbua Smith and Pope, Proc. U. S. Nat. Mus., vol. 31, 1907, p. 476 

 (Kochi).— Jordan and Starks, Proc. U. S. Nat. Mus., vol. 32, 1907, p. 495 

 (Okinawa). — Jordan and Richardson, Fishes of Formosa, Mem. Carnegie 

 Mus., vol. 14, 1909, No. 4, p. 187 (Takao), (not Sciasna jarbua Forskal). 



Habitat. — Coasts of Asia, north to Japan. 



Description of 7 specimens from Kagoshima, Japan, ranging from 

 69 to 157 mm. in body length, the largest taken as typical. 



Fig. 1.— Therapon sebvtjs. 



Head with spine 3 in length to last vertebra; depth 2f ; eye 5 in 

 head with spine; snout 3^; maxillaiy 2f; least width of preorbital 

 8|; D, X or XI, I, 10; A. Ill, 8 or 9; scales in longitudinal series^ 

 above lateral line 86 to 107 (usually 90 to 105); in longitudinal series 

 below 83 to 93; in transverse to origins of dorsal and anal 17 to 20 + 

 30 to 34; gill-rakers 8+13; branchiostegals 6. 



Snout somewhat arched in profile; interorbital space flat, narrow- 

 ing quickly before eyes, ridged above temporal region; jaws equal, 



1 Those that run upward and backward. 



