46. AGONUS. 215 



fins remote from each other. Vomerine teeth none (?). Above each 

 orbit a tlat triangular prominence, directed upwards and outwards ; 

 no prominence on the crown ; two small spines above the snout. 

 Breast covered with fine granulations. The dorsal spines are strong, 

 enveloped in a thick membrane. 

 Kui'iles. 



7. Agonus quadricomis. 



Aspidophorus quadricomis, Cuv. ^ Val. iv. p. 221. pi. 80 ; Beech, Vorj. 

 Zool. p. 59. pi. 15. f. 1. 



D. 9 I 6. A. 10. L. lat. 33. 



The height of the body is 3| in the total length. The dorsals 

 remote from each other. Vomerine teeth none. Barbels none. Two 

 smaU spines above the snout ; two horns above the eyes, and two 

 above the occiput. Space between the eyes nearly equal to their 

 diameter. 



Coast of Kamtschatka. 



a. Adult. From the Zoological Society's Collection. 



b. Adult : bad state. Kamtschatka. Presented by A, Collie, Esq. — 



Type of the species. 



8. Agonus decagonus, 



Agonus decagonus, Bl. Schn. p. 105. tab. 27. 



Aspidophorus decagonus, Cuv. ^ Val. iv. p. 223 ; Kroyer, Natiirhist. 

 Tkkskr. 1844, i. p. 243. 



D. 6 I 7. A. 8. 



Dorsal fins separated from each other by four series of scales. One 

 pail" of spines above the snout, a pair of larger ones above the orbits, 

 and a third paii' of very large ones before the neck ; tentacles few, 

 but long ; no groove across the neck. The length of the pectoral 

 equals that of the head, and is one-fifth of the total. Yellowish- 

 brown, marbled with darker. 



Greenland. 



9. Agonus niger. 



Aspidophorus niger, Kroyer, Naturhist. Tidsskr. 1844, i. p. 238. 

 D. 7 I 7. A. 8. L. lat. 36-39. 



Dorsal fins separated from each other by two series of scales. Two 

 pairs of spines above the snout, and two above the orbits. Lower 

 jaw with tentacles. A deep groove across the neck. The length of 

 the head is one-fourth of the total, and more than that of the pec- 

 torals. {Kroyer.) 



Valparaiso. 



This species appears to be closely allied to the following, if indeed 

 it be not the same. 



