NO. 1293. JAPANESE BLENNOID FISHES— JORDAN AND SNYDER. 493 



37. OZORTHE DICTYOGRAMMUS (Herzenstein). 



SiU'hecus diciyogra minus Herzenstein, Melanges Biol., 1890, p. 121; Hakodate. 

 Stichaeus he.vagrammus Kner, Sitzber, Akad. Wiss. Wieu, 1868, p. 45; Decastris 

 Bay, not of Schlegel. 



Head -ii in length ; depth 5 ; depth of caudal peduncle 2| in head; 

 eye t) ; snout -i ; interorbital space 1(.U. 1). XLV. ; A. 1, '25. 



Bod}" rather deep and compressed ; head pointed ; interorbital space 

 convex ; jaws equal, maxillary extending to middle of eye. Teeth 

 minute, in narrow bands on jaws, vomer, and palatines; gill-mem- 

 l)ranes continued forward below, forming a V-shaped fold across the 

 isthmus. Gill-rakers on first arch 10, short, pointed. Pseudobran- 

 chia? large. Nostrils with low tubes; no filaments on head. 



Head naked; body covered with minute, closely apposed, cycloid 

 scales. Lateral line system forming a complicated network; a com- 

 plete lateral line passing from upper edge of base of pectoral to mid- 

 dle of caudal peduncle; one above this not quite complete posteriorly, 

 the two connected by branches which are close together and regular 



Fig. 25.— Ozokthe dictyogrammus. 



in position near the pectoral, farther apart and irregular posteriorly; 

 a third line extending along base of dorsal, connected with the second 

 l>y cross lines; a fourth very irregular one extending on body above 

 base of anal; a fifth passing along close to base of anal, connected 

 with the one above it and this in turn connected with the first 

 described line; the fourth line may in some specimens be traced for- 

 ward to base of pectoral, while in others it is so short and broken as 

 to scarcely appear as a line; a median line along belly connecting with 

 branches on each side with the lateral lines. 



Dorsal inserted a little anterior to base of pectoral, with stifi', pun- 

 gent spines throughout, the middle ones highest, 2f in head; mem- 

 brane of fin not greatly thickened, not incised between the spines, not 

 connected with the caudal rays. Anal inserted below twenty-first 

 dor.sal spine, the spine short and slender, the rays highest on anterior 

 third of fin, 2f in head; membrane incised between tips of rays, 

 not connected with the caudal rays. Caudal rounded, l^ in head. 

 Pectoral rounded, li in head, the edge incised, its length li in head; 

 ventrals 2f in head. 



