770 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



front of dorsal and pupil. Anal spine very large, two-fifths the length 

 of head, shaped like a pen, deeply exeuvated on its anterior side, and 

 very convex behind, very thin, flexible, and with sharp edges, entirely 

 included in a pouch of skin; pectoral fins about two-fifths length of 

 head. Head !.',; depth 7 : \. 1). XCIII; A. I, 40. L. 18 inches. Point 

 Concepciou to Vancouver Island; abundant; usually found below low 

 tide-mark. 



(Giranl, Proc. Acad. Nat. Sci. Phila. 1854, 150; Giinther, iii, 290: Apodii-htltys rlres- 

 CI-IIK Ayiw, Proc. Cal. Arad. Nat. Sci. 1855, 55: Apodlvlithifx inonialus Gill, Proc. Arad. 

 Nat. Sci. Phila. IbG'J, vJT'J: Apodichthys sanguineus Gill, Proc. Acad. Nat. Sci. Phila. 



;_'. -JT9.) 



aa. Anal spine small, not pen-shaped nor excavated. 



11?'?. A. fucoriim Jor. & Gilb. 



Bright olive-green or deep red, the color varying with the surround- 

 ings; a row of dark spots along axis of body, these sometimes with 

 light-bluish center, and connected by a very narrow dark streak; gen- 

 erally a dark streak downward from eye, but no other markings about 

 head. Form and dentition as in A.jlncidtis. Mouth very oblique, the 

 maxillary reaching center of pupil; nape nearer front of dorsal than 

 end of snout. Anal spine comparatively small, about one-fifth length 

 of head, transversely very convex in front, and slightly concave or 

 grooved behind, the pouch of skin at its base little developed; pec- 

 torals ver\ small, shorter than eye; anal fin beginning nearer tip of 

 caudal than tip of snout by about 3 times length of head. Ilead 10; 

 depth ill. D. LXXXIII; A. 35. L. G inches. Monterey to Tuget 

 Sound; abundant in rock-pools and bunches of Fucus; remarkable for 

 its active movements. 



(Jordan A. (iill.cr', Proc. U. S. Nat. Mus. 1^0, 1:59.) 



413. ANOPLARCIIUS Gill. 



(liill, Proc. Arad. Xaf. Sci. Phila. l-^iil , -JC.l : type Aiinphirrlnix piirjiiircmriiH Gill.) 



I'.ody elongated, compressed, covered with very small, imbedded 

 scales; lateral lino, obsolete. Head small, compressed; eyes small; 

 month oblique: teeth in each jaw in one series, of nearly uniform si/c; 

 no teeth on vomer or palatines; gill mem bra lies broadly attached to the 

 isthmus; branchiostegals 5. Dorsal tin not very low; no anal spines; 

 venlrals wanting: caudal fin small, entire: pectoral fins moderate; 

 pvloric COMM present, few. Pacific. (av<;r/?, unarmed; a/^"?, anus; 

 the anal fin being without spines.) 



