4V2 



PROCEEDINGS OF THE NATIONAL MtlSElIM. 



roL. 3?. 



( Tosa, ' ' brave youth," a province of Japan on the ishind of Shikoku, 

 which includes Kochi and Urado.) 



29. TOSANA NIW^ Smith and Pope. 



Tosana niwx Smith and Pope, Proc. U. S. Nat. Mus., vol. 31, 1906, p. 470, fig. 4 

 (Urado Bay, Province of Tosa). 



(Coast of southern Japan.) 



Head 3.65 in length; depth 3.62; eje 3 in head; snout 5; inter- 

 orbital 3.5; dorsal X, 15; anal III, 7; scales in lateral line 35. Body 

 elongate, compressed, its greatest depth about ecpial to length of 

 head; dorsal outline but gently arched, the ventral nearly straight; 

 peduncle compressed, its least depth 2 in head; snout short and blunt, 

 its length equal to 0.66 diameter of eye; mouth oblique; maxillary 

 reaching to below middle of pupil, the width of its distal end more 

 than half diameter of eye; mandible projecting; teeth in upper jaw 

 in two series, the outer canine-like, the inner in a villiform band; 



Fig. 16.— Tosana niw.e. 



on each side of the tip of the upper jaw one pair of long canines 

 directed downward and another pair directed inward and backward; 

 teeth in lower jaw a single row of canines, with 2 pairs of enlarged 

 canines on each side of tip; a narrow band of small teeth on pala- 

 tines, and a small patch on vomer; tongue smooth, pointed; pre- 

 opercle with rounded angle, the upper limb serrate, the lower smooth; 

 opercle with 3 flat spines, the middle longest; gill-rakers long and 

 slender, 23 on lower limb of first arch; scales large, strongly toothed, 

 fully covering body and head, about 6 rows on cheeks; lateral line 

 high, concurrent with back, the tubules straight simple, and forming 

 an obtuse angle imder posterior end of dorsal fin; dorsal fin continu- 

 ous, the third spine much the longest, half in head and nearly twice 

 length of second, fourth to tenth subequal; soft rays of nearly equal 

 length except last two, the longest considerably longer than third 

 spine; anal shorter and deeper than soft dorsal; caudal deeply and 

 evenly concave, the outer rays much produced, upper lobe longer; 



