32 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL, XXXIV. 
extended into a lamelle which is produced into a spinous process 
at both angles and has a notch near the proximal angle, dactyl strong 
and sinuate. Two anterior pereepoda, 2-segmented, one-third as long 
as gill, which is rather slender and elliptical; third pereeopod much 
more slender than last two. Terminal segment of first abdominal 
appendage ending in a conical process, around the base of which 
are a circle of small acute spines. Second abdominal appendage 
blunt and spinose at tip. 
Length, 11 mm. : 
Female with dorsal spines much less prominent. Second gnath- 
opod with a notch in the center of the palm and just behind this 
2 Spinous process. 
This species was abundant in the Gulf of Mexico, off Northwest 
Channel, February 24, 1902, Station 7292, U. S. Bureau of Fisheries, 
steamer Mish Hawk, 104 fathoms. 
Type.—Cat. No. 38842, U.S.N.M. 
Named in honor of the Rev. T. R. R. Stebbing. 
