1938 Bulletin //, United States National Musemn. 



Subgenus ASPICOTTUS, Girard. 

 2310. EXOPHRYS BISOX (Girard). 



H<\ad 2i; depth 4. D. VIII, 11; A. 9; lateral plates 29; eye 5 in head; 

 maxillary 2| ; peetoral If ; ventral 2\\ oau(lal2; snout blunt; maxillary 

 reaching beyond pupil; external bones of head rough granular; interor- 

 bital space elevated and concave, the orbital ridge without spine; sub- 

 orbital stay covering most of cheek; a ridge extending backward from 

 each eye, the two connected by a cross ridge at occiput ; the ridges large 

 and rough, and the space between them concave ; preopercle with 4 spines, 

 the upper very long, straight, and rough, usually reaching past opercle, 

 a little more than ^r head; opercular ridge very broad; subopercle with 

 2 diverging spines; a single series of large, rough, granular plates along 

 sides, from opercle to base of caudal, the plates without keel or spine and 

 growing smaller behind; spinous dorsal small, much lower than soft rays; 

 anal short. Olivaceous above, variegated with blackish and reddish, 

 yellowish below; fins olivaceous, marked with black; ventrals pale. 

 Length 12 inches. San Francisco to Sitka; very abundant, especially 

 about Puget Sound; a coarse species, not used for food. When disturbed 

 it extends its long preopercular spines, making the head flat and very 

 wide. Here described from a specimen, 4 inches in length, from Puget 

 Sound, Washington. {Bison, the American buffalo, from its horns.) 



Aspicottus bison, Girard, Proc. Ac. Nat. Sci. Phila. 1854, 130, Fort Steilacoom (Type, No. 

 322, U. S. Nat. Mua. Coll. TTrl Suckley) ; Fort Point (No. 323. Coll. Lieutenant Trow- 

 bridge) ; San Francisco (No. 324. Coll. Dr. Heermann) ; Tomales Bay (No. 325. Coll. 

 E. Samnels.) 



Glypeocottus robustus, Ayres, Proc. Cal. Ac. Sci. 1854, 12, San Francisco. 



Aspicottus bison, GlHARD, U. S. Pac. E. R. Surv., X, Fishes, 66, 1858. 



Enophrys bison, Jordan &. Gilbert, Synop.si8, 710, 1883. 



Subgenus ENOPHRYS. 

 2.311. EXOPHRYS CL.VVIGER (Cuvier & Valencienne.s). 



D. VI-13; A. 11; V. I, 3. Top of head everywhere rough; 2 strong 

 nasal spines; superciliary margins much elevated, with a deep groove 

 between them; 4 preopercular spines, the upper exceedingly long and 

 strong, extending nearly to the vertical from end of first dorsal, serrated 

 and coarsely toothed on its upper margin, but without antler-like processes ; 

 ''occiput with a very long cuneiform process on each side;" lateral line 

 with bony plates, rougher than in Enophrys hison, each with a serrated 

 keel and spine; skin subvillous above, with small rough warts; a series of 

 small cutaneous appendages above the anal; suborbital stay spinous; 

 vomerine teeth present ; isthmus broad ; slit behind last gill large. Dark 

 brown, with 3 or 4 vertical bands ; belly white. Length 21 inches. Bering 

 Sea. Here described from the original type in the British Museum. 



Dr. Gilbert mentions also: A single specimen, 52 mm. long, from Alba- 

 tross Station 3233, Bristol Bay, Alaska; depth 7^ fathoms. The upper 

 preopercular spine is long and very slender, extending to below middle 



