727 
108 (a). AGONID^ BRACHYOPSIS. 
plates reaching head; pectorals reaching the eleventh plate; ventrals 
extending beyond front of anal in (? , much shorter in $ ; the membrane 
between the rays very broad; anal papilla small. Head 4^; depth 8. 
D. IX-7; A. 11; V. I, 2; P. 14; C. 10; Lat. 1. 35. L. 8 inches. Coast 
of California; abundant in deep water. 
(Loclviiigton, Proc. U. S. Nat. Mus. iii, 60, 1880 (May 6): Agonus (Brachyopsis) bar- 
Icani Steind. Iclith, Beitriige, ix, 253, 1880 (July 15).) 
1114. B. xyosterBJUs J. &. G. 
Light olive brown, finely reticulated with darker, iiale below; mandi- 
ble, and sides of head below eye bright silvery; pectoral blackish, with 
a laige light blotch at base below and a broad i)ale tip ; caudal entirely 
black; dorsal nearly plain; ventrals plain; anal wliite anteriorly, ab- 
ruptly black behind. Form of B. verrucosus, but rather stouter and 
less depressed; breast covered with minute prickles; plates of body 
with spines as in B. verrucosus, but without smaller prickles ; ventral 
fins short, reaching, even in the male, little more than half way to anal; 
the connecting membrane of the rays very narrow; maxillary barbel 
long, three-fourths the diameter of the eye; mandible very deep, more 
than one- third as deep as long; upper lateral series of plates obsolete 
from front of first dorsal forward. Head 4J; depth 7. H. YI-G; A. 8; 
V. I, 2 ; P. 17 ; Lat. 1. 30. L. 5 J inches. About Mouterey and San 
Francisco; common about Santa Cruz. 
(Jordan & Gilbert, Proc. II. S. Nat. Mus. iii, 1.52, 1880 (July 2): Agonus {Brachyopsis) 
anna; Steiudachner, IcRtli. Beitriige ix, 254, 1880 (July 15).) 
1115. B. (?) decagOHiiS (Bloch & Schneider) J. & G. 
Yellowish brown, marbled with darker. Body elongate, compressed; 
head depressed ; jaws equal; a pair of spines above the snout, a second 
above the orbits, a third on the nape, the latter the largest; barbels 
very short and thick; scales with very prominent spines; six series of 
scales between the ventral fins and the vent; four between the vent 
and the anal fin; pectoral fins much longer than head, one-fourth total 
with caudal. D. VI-7; A. 8; P. 14; Lat. 1. 41. Greenland to Norway. 
(Gunther.) 
{Agonus decagonus Bl. & Schn. 1801, 105: Agonus decagonus Gunther, ii, 215: Agonus 
decagonus Collet, Norges Fiske, 1875, 40: Archagonus decagonus Gill: Aspidophorus spi- 
nosissimiis Kroyer, Naturhist. Tidsskr. i, 250, 1844: Agonus spinosissimus Gunther, ii, 
214: Leptagonus spinosissimus Gill, Proc. Acad. Nat. Sci. Phila. 167, 1861.) 
