248 A. E. Verrill on new American Phyllopod Crustacea. 
small, rounded, appendage ; a pair of slender antenna just 
back of these, terminated by two or three minute sete; a 
pair of pedunculated compound eyes, and a dark spot on the 
middle of the head, which is the remains of the single eye of 
the young. The mouth below is provided with a broad labrum, 
a pair of mandibles, two pairs of jaws, and a pair of lateral 
papille. In the female the head lacks the stout claspers, which 
are replaced by a pair of comparatively small, simple, horn- 
shaped organs. . 
eae eee 
Artemia gracilis Verrill, sp. nov. 
on the outside and a short, rounded, nearly semicircular pro- 
cess on the inside near the base, about its own diameter from 
broadly rounded at the end, slightly constricted at the base 
inside, each bearing usually 7 or 9 plumose sete, the central 
ones much the longest. Ovigerous pouch of the female, when 
seen from below, flask-shaped, the neck extending backwa 
and downward, short, thick, subcylindrical toward the end, the 
median line ; eyes very dark brown, or black ; ovaries of 
whitish, along each side of the abdomen. 
: le ¢ ents : 
Distance between eyes 181m; breadth of head °76 ; length 
of eye-stalks 62; length of first joint of the claspers “91 ; oe 
breadth ‘72 ; breadth of its appendage -18 ; length of seco 
