JAPANESE OPHIDIOID FISHES— JORDAN AND FO WLER. 759 



more than the length of the head. Lateral line indistinct for the 

 greater part of the course. 



Color brown, darker behind, lighter in front; tins blackish, cavity 

 of mouth gray, peritoneum black. Total length 29i inches; head 5| 

 inches; ventral filament 3 inches; snout to vent 12^ inches. 



Locality, south of Tokyo, near Yokohama, at Station 237 (Challenger) 

 in 1,875 fathoms. (Giinther.) Not taken by us. 



{Grandls, great.) 



11. WATASEA Jordan and Snyder. 

 Watasea Jordan and Snyder, Proc. U. S. Nat. Mus., 1900, ji. 765 {sivicola). 



Body elongate and completelv covered with small scales. Head 

 scaled, blunt; eye moderate; the jaws equal; no barbels; teeth in jaws, 

 vomer, and palatines minute, blunt, and in bands; preopercle with 

 two spines; vertical fins united, the caudal pointed; pectorals 

 accutely rounded; ventrals close together, each of two rays; eight 

 branchiostegals. 



(Named for Sho Watase, professor of Animal Morphology in the 

 Imperial University of Tokyo.) 



II. ^A/^ATASEA SIVICOLA Jordan and Snyder. 



Watasea sivicola Jordan and Snyder, Prof. U. S. Nat. "Slu^., 1900, i». 765, pi. 

 xxxvii; Misaki, Yokohama. 



Head, -if; depth, 5f ; D. 94; A. 74; scales in lateral line about 100; 

 scales between middle of base of dorsal and lateral line, 8; between 

 origin of dorsal and lateral line, 11; between lateral line and anal, 

 about 25; head as long as trunk; head and trunk, If in tail; depth of 

 l)ody, 11 in head; eye, 41; snout, 6; uiaxillary, 2; interorbital space, 4|; 

 width of head at maxillaries, 2|; pectoral, If; ventral, li. 



Body elongate, greatly compressed, its greatest width nuich less 

 than the breadth of the head, and tapering into a pointed tail. Head 

 o])long, compressed; snout ver}- blunt, truncate; jaws equal; e3^es 

 small, elongate, lateral, and its posterior margin about the first | of 

 the head; maxillary ver}^ large, extending far beyond the eye, and its 

 distal expanded moiety 1^ in the eye, and its posterior margin concave; 

 supplemental maxillary well developed and concealed by the infraorbit- 

 als, which are much less than the eye diameter; teeth in jaws, on vomer 

 and palatines in broad villiform bands; lips thin; tongue rather })road, 

 thick, pointed, and little free in front; nostrils rather large and the 

 posterior the larger; upper profile straight from snout to occiput; pre- 

 operculum with 2 strong, broad, sharp spines pointed back; opercle 

 with a strong spine above, directed backward and slightly inclined 

 downward; head with mucous cavities and pores; interorbital space 

 ^convex, its width much greater than snout. Gill-opening very large, 



