PecMham—Revision of the Attidce of North America. 387 
17 
Sides of. cephalothorax with white bands throughout 
length; abdomen with central black region which en¬ 
closes, on the front of the dorsum, a large red spot 
sometimes broken into three smaller spots. Eastern 
and southern states and Kansas ... insignarius 
Sides of cephalothorax covered with white hairs; abdomen 
with dark central band not quite reaching base. Mex¬ 
ico and probably Idaho and Canada. 
. montivagus (probably Tyrrell!!) 
Sides of cephalothorax with white bands behind dorsal 
eyes; abdomen with dark central band not reaching 
base. Florida . pulcherrimus 
Pulcherrimus has no basal nor side bands on abdomen. 
These marks are seen, more or less distinctly, on 
closely allied species. 
f Cephalothorax dark, distinctly marked with white. Large 
jo J spiders, 11-16 mm... 19 
j Cephalothorax not distinctly marked with white. Size usu- 
L ally about 9 mm . 20 
f Cephalothorax black with wide white bands on the sides 
i of the thoracic part. Southern states . variegatus 
19 ^ Cephalothorax dark brown or black with white hairs on 
' the sides and a white crescent between the dorsal eyes. 
( Texas . Rauterbergii 
f Cephalothorax all black; abdomen black with tripunctate 
| white marking and the ordinary white basal and side 
2 Q j bands. Eastern, southern and middle states .audax 
i Cephalothorax brown; abdomen black with tripunctate 
I white marking and a scalloped white band which 
l nearly encircles it. Texas . farneus 
$ Spiders yellow or marked with yellow . 22 
( Spiders gray, brown or ^potted .. 25 
22 
Legs heavily fringed with yellow; abdomen banded with 
yellow and having a central yellow spot; cephalothorax 
with wide yellow bands on sides. Arizona, Texas, Cal- 
^ ifornia, Mexico ... arizonensis 
Whole spider yellow, abdomen marked only by two dark 
bands dotted with white on posterior half. Kansas .. pius 
_ Abdomen marked with white or with yellow and white ... 23 
22 \ Abdomen black, marked with white and yellow.. 24 
? Abdomen not black, marked with white .. obscurus 
Obscurus is difficult to place, since no perfect specimens 
are known, but the ground color is probably yellow, 
the pattern being in white and consisting of the or¬ 
dinary basal band, triangle and spots. The venter is 
yellow with two converging lines of spots which are 
light colored with dark edges. The size is 13 mm. and 
it is found in Georgia and Texas. 
f Abdomen yellow in front, without central spot, but marked 
| with four pairs of white spots or bars. Arizona.... basalis 
24 Abdomen black except for two irregular yellow patches 
! notched with white on their inner edges, on posterior 
l sides. Sisson, Cal. Johnsonii (in part) 
27—S. & A. 
