770 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
front of dorsal and pnpil. Anal spine very large, two-fiftlis the length 
of head, shaped like a pen, deeply excavated on its anterior side, and 
very convex behind, very thin, llexible, and with shar]) edges, entirely 
included in a ponch of skin; pectoral fins about two-lifths length of 
head. Head depth 7^. D. XCIII 5 A. I, 40. L. IS inches. Point 
Concepcion to Vancouver Island; abundant; usually found below low 
tide-mark. 
(Girard, Proc. Acad. Nat. Sci. Phila. 1854, 150; Guutlier, iii, 290: Jpodichthys vires- 
CCV8 Ayres, Proc. Cal. Acad. Nat. Sci. 1855, 55: Apodicliihijs inornatus Gill, Proc. Acad. 
Nat. Sci. Pbila. 18(52, 279: Apodichthys sanguineus Gill, Proc. Acad. Nat. Sci. Phila. 
18(52, 279.) 
aa. Anal spine small, not pen-shaped nor excavated. 
1175. A. fiscorum 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. flavidus. Mouth very oblique, the 
maxillary reaching center of luipil ; 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 very small, shorter than eye; anal tin beginning nearer tip of 
caudal than tip of snout by about 3 times length of head. Head 10; 
depth 9|. D. LXXXIII; A. 35. L. C inches. Monterey to Puget 
Sound; abundant in rock-pools and bunches of Fucus ; remarkable for 
its active movements. 
(Jordan & Gilbert, Proc. U. S. Nat. Mus. 1880, 139.) 
413.— AI\©PI.AKCIir:S Gill. 
(Gill, Proc. Acad. Nat. Sci. Pbila. 1861, 261: type Anoplarclius purpurescens Gill.) 
Body elongated, comitressed, covered with very small, imbedded 
scales; lateral line obsolete. Head small, comiiressed; eyes small; 
mouth oblique; teeth in each jaw in one series, of nearly uniform size; 
no teeth on vomer or iialatines; gill-membranes broadly attached to the 
isthmus; brauchiostegals 5. Dorsal fin not very low; no anal spines; 
ventrals wanting; caudal fin small, entire; pectoral fins moderate; 
pyloric coeca present, few. Pacific. [avo-^Xoq, unarmed; ap^oq, anus; 
the anal fin being without spines.) 
