148 THE SHORE FISHES. 
Gobiosoma crescentale GILBERT. 
Proc. U. S. Nat. Mus., 1892, 14, p. 557. Jorpan & EverRMANN, Bull. 47, U. S. Nat. Mus., 1898, pt. 3, 
p. 2259. 
Two specimens 2 and 23 inches long from Chatham Island, shore. M. C. Z. 
29603 (1 specimen). 
Proportional measurements of the two specimens. 
Length to base of caudal 56 mm. 42 mm. 
Head in length } 3.73 3.50 
Depth in length eiGs22 6. 
Eye in head 5. 5.33 
Snout in head 5. 5.33 
Pectoral in length 1.07 1.33 
Ventral in length 1.36 1.33 
Dorsal VIL-12 VII-12 
Anal. LY. nL A 
Color, gray, mottled with brown; sides of head with alternate brown and ~ 
pale bars; opercle pale with faint dark spots; pectoral light gray with a faint 
crescent-shaped dark bar at base, preceded by a brighter area; dorsal and anal 
gray, with a blackish edge to anal membrane anteriorly; caudal dusky with a 
faint indication of crescent at base; ventral pale. The smaller specimen is 
similarly colored with the markings more distinct. Some of the brown markings 
on the body, especially anteriorly, tend to form irregular pairs of cross-bars. 
DACTYLOSCOPIDAE. 
Gillelus rubellulus, sp. nov. 
Plate 6, fig. 3. J 
Type No. 65510, U. S. N. M., 2% inches long, from Chatham Island. 
Lower jaw somewhat projecting; maxillary reaching to a line from poste- 
rior margin of orbit; both lips with a small fringe; anterior nostril small, tubu- 
lar; opercular fringes well developed, nine in number; teeth in each jaw in a 
band in front, narrowing posteriorly; anterior portion of lateral line running 
along base of dorsal (one row of scales between it and base of fin) and descending 
downward to middle of side opposite last unjointed ray. 
The rays of the ventral fin are connected by a thin transparent membrane. 
Color in aleohol: — ground color pale straw tinged above with pinkish; 
head, back, and sides thickly spotted and blotched with pearly white; lips 
