214 TKIGLID^. 



3. Agonus dodecaedrus. 



Ag'onus dodekaedi'us, Tiles. Mem. Acad. Pctersb. iv. pi. 13. 

 Plialangistes loricatus, Pall. Zoor/r. iii. p. 114. 

 Aspidophorus dodekaedrus, Cuv. ^ Val. iv. p. 209. 

 D. 11 1 7. A. 15. 

 The height of the body, below the neck, is one-ninth of the total 

 length ; the width between the eyes equals their diameter. Two 

 dorsals. Yomerino teeth none (?). No prominent spines above the 

 snout. Prseoperculum mth three spines, the upper of which is the 

 longest. The lower jaw produced beyond the upper. The keels of 

 the scales terminate in a small point; breast covered with many- 

 polygonal, small, convex plates. 

 Kamtschatka. 



4. Agonus rostratus. 



Agonus rostratus, Tiles. Mini. Acad. Petersh. iv. pi. 14. 

 Plialangistes fusifomiis, Pall. Zoogr. Ross. iii. p. 116. 

 Aspidophorus rostratus, Cuv. 8f Val. iv. p. 212. 



D. 8 I 8. A. 13. 



Two dorsals. Vomerine teeth none (?). No prominent spines 

 above the snout ; prteoperculum with three spines. The lower jaw 

 produced beyond the upper ; barbels none. The scales on the back 

 keeled, the keel terminating in a spine ; breast covered with many 

 polygonal small plates. 



Coast of Kamtschatka ; Kurile Islands. 



5. Agonus spinosissimus. 

 Aspidophorus spiuosissimus, Kr()yer,Naturhist. Tidsshr. 1844, i. p. 250. 

 D. 6 I 7. A. 8. 

 Jaws equal in length. Head depressed, body compressed. One 

 pair of spines above the snout, a second above the orbits, a third on 

 the nape ; the latter is the largest. Tentacles very short and thick. 

 Scales with very prominent spines. Six series of scales between the 

 ventral fias and the vent, four between the vent and the anal fin. 

 Pectoral fins much longer than the head, and equal to one-fourth of 

 the total. Yellowish-bro^vn, marbled with darker. 

 Greenland. 



6. Agonus stegophthalmus. 



Cottus japonicus, Pall. Spicil. fasc. vii. p. 30. pi. 5 ; L. Gm. i. p. 1213; 



Bl. Schn. p. 105 ; Tiles. Mem. Acad. Petersh. iv. p. 416, and Kru- 



senst. Reise, pi. 87. 

 Agonus stegophthabmis, Tiles. I. c. p. 427. pi. 12, and 3Ie9n. Soc. Natur. 



31osc. ii. p. 219. 

 Aspidophorus superciliosus, Cui\ Sf Val. iv. p. 215. 



D. 6 I 7. A. 8. 



The height of the body is one-sixth of the total length. Dorsal 



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