PKOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 61 



195. Artedius niegacephalus Lochiugtou. — ChitonoiuH niv(/uce2)halus Locliiugtou. 



Milling and Scientific Press, San Francisco, 1879.) 



Deep water off San Francisco. Distingnisbed from the precediii,!;' by 

 the greatly-elevated anterior portion of tlie spinous dorsal, the first spine 

 reaching past the front of the soft dorsal. Specimens numbered 27, 185, 

 from Point Eeyes, lately distributed by the ^STational Museum as Arte- 

 dius pugetensis, belong' to this species. 



196. Artedius quadriseriatus Locliingtou. 



Only seen about San Francisco, where it is very common in deep water 

 off Point Reyes, being brought in by the sweep-nets, uiixed with tom-<;od 

 and prawns. It reaches a length of less than 3 inches. 



197. Artedius notospilotus Grd. — Sculpiii; Drummer; Salpa. 



Santa Barbara to Puget Sound, most abundant at Santa Barbara. 

 It lives in the kelp, in Avater of moderate depth, and is mostly taken with 

 the hook. It reaches a length of 4 to 5 inches, ana is little esteemed. 



198. Artedius lateralis Grd. * 



Monterey to Puget Sound, inhabiting the rock-pools with the species 

 of Oligocotfus ; ii- t common anywhere. It reaches a length of aOout 4 

 inches. It is readily distinguished from the preceding by the larger 

 mouth and the naked, smooth head. 



199. Cottus polyacantliocephalus Pallas. — Sciilpiii ; Bull-head. 



Puget Sound and northward; generally abundant; not seen south- 

 ward. Carnivorous. It reaches a length of 15 inches or more, and al- 

 though of considerable size is not often used as food. There is much 

 waste in a sculpiu, the removal of the head and skin leaving verv little 

 meat, and that little comparatively is coarse and dry. 



200. Ascelichthys rhodorus J. it G. 



At Waada Island and other points at the entrance of the Sti'aits of 

 Fuca ; exceedingly abundant among the rocks at low tide. Spe<;imens 

 in Mr. Lockington's collection from Gualala, Mendocino County, Cali- 

 fornia. Carnivorous, reaching a length of 3i inches. 



201. Psychrolutes paradoxus Gthr. 



Puget Sound and northward ; a specimen from the Aleutian Islands 

 is in the Museum of the Alaska Commercial Company. It reaches a 

 length of 2 inches. 



Family AGOXID^. 



202. Bothragonus swaui (Steiud.) Gill. 



^S'^ot seen by us ; the original specimen from Port Townseud. 



203. Podothecus trispinosus (Lockingtou) J. & G. 



San Francisco to Santa Barbara; occasionally brouglit in among 

 jirawns to the markets of San Fj ancisco; one specimen dredged at Santa 

 Barbara. It reaches a length of 3 inches. 



