27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
* n 
Peckham—Revision of the Attidce of North America. 379 
' Cephalothorax low and flat; cephalic part occupying scarcely 
more than 1-3 of cephalothorax. Marchena minuta 
Cephalothorax high and convex; cephalic part occupying 
2-5 of cephalothorax. Pellenes and Stoides auratus £ 
The male of S. auratus can be distinguished from Pellenes 
only by the form of the palpus. 
Eye-region occupying less than 1-2 cephalothorax .... _ 30 
Eye-region occupying at least 1-2 cephalothorax .......... 29 
Length 6 mm. General color green, iridescent. Dorsal eyes 
about as large as lateral eyes of first row. First leg 
with tibia much enlarged and fringed.... Sassacus barbipes 
Small spiders, 3 mm. General color gray. Dorsal eyes 
nearly as large as middle eyes of first row. First 
leg not enlarged .Neon 
Eye-region occupying plainly more than 1-3 of cephalo¬ 
thorax . 31 
Eye-region occupying only about 1-3 of cephalothorax; 
length 8 mm. Legs short Two longitudinal white 
bands on cephalothorax and three on abdomen_Phlegra 
First leg with femur patella and tibia much enlarged. 
Body not iridescent . 32 
First leg not very much the stoutest. 33 
Abdominal marking, four pairs of quadrate dark spots. 
Tibia of second leg with only two spines, one at each 
end below . Pseudicius siticulosus 
Abdominal marking two broken longitudinal white 
bands converging in front and behind. Tibia of 
second leg with a pair of spines at distal end and 
one spine further back below, and one anterior 
lateral ... Menemerus vittatus 
Posterior three pairs of legs white, translucent, without 
marks . Wala 
Posterior three pairs of legs not uniform white. 34 
Cephalothorax not very high nor convex, rather elongated. 
Sides of whole body nearly parallel; abdomen usually 
rounded and slender. Legs with a tendency to 
lineate markings, first and fourth pairs rather long 
and tapering. No wide white bands (only marginal 
bands) on sides of cephalothorax .Icius* 
Cephalothorax rather high and convex, not elongated. 
Sides of abdomen not rounded nor parallel . 35 
First leg longer than third. 36 
Third leg longer than first. Stoides auratus $ 
Fourth leg plainly longer than first. Abdomen marked 
with the broad angular band characteristic of Sit- 
tacus . Sittacus claremontii $ 
Fourth leg not much, if at all, longer than first. Abdomen 
often marked with chevrons, but not with the peculiar 
band of Sittacus . Dendryphantes 
o species of Icius are not elongated. These are exornatus and sex- 
itus: the former has the whole body covered with green and golden 
and in the latter the abdomen is marked with six peculiarly arranged 
