534 
Wisconsin Academy of Sciences, Arts and Letters. 
Cephalic plate without white border. Eastern, Middle and 
16 western states . splendens 
( Cephalic plate bordered with white. Texas . delectus 
i Posterior part of abdomen with a white spot; four white 
lines on cephalic plate. Texas . fallax 
Posterior part of abdomen with band of chevrons. 18 
f Cephalic plate with white bands on sides and central bifur- 
1 eating band. Western and middle states . hirsutus 
| Cephalic plate fawn-color, without white bands. Utah, 
l California (Sisson), Victoria . americanus 
) Oblique bands on sides of abdomen ... 
No oblique bands on sides of abdomen 
20 
22 
21 
Sides of abdomen with pale or white bands on dark 
ground ..... 21 
20 Sides of abdomen with black bands on fawn ground; ceph- 
I alothorax fawn above, whitish on sides and behind. 
1 Canada and United States . viridipes 
Cephalic plate with three white bands. Central rounded 
shield of epigynum as wide as long. California, Wash¬ 
ington . Hutchinsonii 
Cephalic plate without white bands. Central rounded 
shield of epigynum longer than wide. Arizona 
. superciliosus 
Cephalothorax with a black y\ between dorsal eyes, and 
having a white line which begins back of the dorsal 
eye, curves around above the small lateral eye, and 
then passes downward, ending behind the lateral eye 
of the first row; abdomen with oblique side bands 
edged with black. Epigynum without the central 
shield usually found in Pellenes. Eastern, middle and 
western states and Arizona . Hoyi* 
f Clypeus covered with short fawn hairs, with some long 
| white bristles in the middle, and a white marginal 
22 ' line. Upper sides and middle of thorax dark; ab- 
1 domen uniform fawn color with four indented dots. 
Oregon, Cal., N. M. oregonense 
l Clypeus pure white . 23 
{ First row of eyes plainly curved; eye-region white and 
copper color. Arizona . nemoralis 
First row of eyes straight . 24 
f Central rounded shield of epigynum long and narrow. 
Cephalothorax and abdomen covered with yellowish- 
24 i white hairs; a faint lighter herring-bone stripe on 
I posterior part of abdomen. Utah . candidus 
l Central rounded shield of epigynum as wide as long. 25 
f Sides of thoracic part nearly parallel, cephalothorax but 
little narrowed in front and behind. Cephalothorax 
and abdomen covered with gray hairs; a distinct her- 
25 J ring-bone stripe at end of abdomen. Utah. Cali¬ 
fornia . griseus 
Thoracic part bulging behind dorsal eyes, cephalothorax 
plainly narrowed in front and behind. Arizona, 
Colorado . dolosus 
*Hoyi, which Simon puts into the genus Evarcha, differs from the normal 
Pellenes in the form of palpus and of the epigynum. The color markings on 
the abdomen are exceedingly variable. 
