Jordan and Evermann. — Fishes of North America. 1905 



ill nammg this species for President Mark Walrod Harrington of the 

 University of Washington." Starks.) 



Axyrias harringtoni, Starks, Proc. Cal. Ac. Sci., series 2, Vol. vi, 1896, 554, pi. 74, Port Lud- 

 low, ^Vashington. (Type, No. 5047, L.S. Jr. Univ. Mus.) 



714. ARTEDIELLUS,* Jordan. 



Artediellus, Jordan, Cat. Fish. N. A., 110, 1885 (uncinatun) . 



Head broad; teeth on vomer and palatines; preoperciilar spines 2, the 

 upper large, strongly hooked upward, with no antler-like processes above ; 

 no .slit behind last gill; gill membranes free from isthmus; skin naked, 

 smooth; spinous dorsal short, not notched. Northern seas. This genus 

 seems to be nearest to Artedius, from which it differs chiefly in the naked 

 skin of head and body. (Name a diminutive of Artedius.) 



a. Pectoral rays about 30; caudal rays (developed) 11; head with few cirri. 



h. Occiput with a bony protuberance on each side, provided with radiating ridges. 



UNCINATUS, 2286. 



66. Occiput without bony protuberance having radiating ridges, its place taken 



by a blunt occipital ridge or spine. atlanticus, 2287. 



aa. Pectoral rays 22 to 24 ; caudal with 9 developed rays; head with many cirri ; occiput 



with very low round ridges or with none. pacificus, 2288. 



2286. ARTEDIELLU.S UNCINATUS (Reinhardt). 



Head 2i D. VII or VIII, 12 to 14; A. 11; P. 18; V. 4; eye 2* in head; 

 pores of lateral line 18. Head broad, ovate; eyes set high, the inter- 

 orbital very nari-ow, much less than diameter of eye; jaws subequal; 

 teeth rather slender, on jaws, vomer, and palatines. Preopercle armed 

 with 2 spines, the lower short, pointing downward, the upper long, 

 strongly curved and sharp; opercle below with a single spine, termi- 

 nating above in a soft convex flap, concealing beneath a depressed, but 

 sharp-pointed spine ; between the anterior and posterior pairs of nostrils 

 occur 2 short spines and at the occiput 2 others, all of which, in common 

 with the other spines, are directed downward, and project but slightly 

 above the integument; a .small, .short cirrus on the posterior margin 

 of the upper jaw, immediately in front of angle of month; a .small, 

 pointed cirrus above eye ; origin of iirst dorsal above base of pectoral, its 

 height i head; second dorsal a little higher; anal as high as second dorsal, 

 coterminous with it; pectoral extending slightly beyond front of .second 

 dorsal (in adults) ; ventrals long, reaching nearly to vent. Color whitish 

 with 3 grayish brown bands across body, middle l)and broadest from base 

 of second dorsal ; in adults the bands are broken n]} and not conspicuous ; 

 fins with oblique traverse bands, well defined, except on anal, where they 

 are faint. (Collett. ) Arctic Europe ; said to cross to Greenland ; its range 

 southward uncertain. (Eu.) (wnciwa/MS, hooked.) 



*Tbe Japanese genus Trachidermun, Heckel (Gentridermichthys, Richardson), to which 

 this species and luany other.s of our Cottoids have been referred by authors, differs from 

 Artediellux in having the slit, behind tlie last gill developed and the gill membranes fully 

 united to the isthmus. It is an ally of Gottus, of which genus it may be the ancestor 



