41 
March, 1885.] history society of Wisconsin. 
middle, the thoracic part being dilated. The cephalic and thoracic 
parts are separated by a transverse depression. The cephalic 
pail occupies J/i of the cephalothorax. It is plane and inclined, 
with rounded sides. The thoracic part is slightly convex; its 
sides round out widely toward the lower border; it slants rather 
steeply behind to the posterior margin. In color, the thoracic 
part and sides are yellowish-brown, with a good deal of short 
white down. From a spot behind the dorsal eyes several white 
rays on each side extend forward onto the anterior sides, lhe 
ocular region is black, also with white down. In fresh speci¬ 
mens it may be that the down entirely covers the cephalothorax. 
The quadrangle of the eyes is ]/\ wider than long, and is a 
little wider in front than behind. The anterior row is visible 
from above, and is curved, a straight line across the tops of the 
middle eyes cutting the lateral eyes above the middle. The 
lateral are placed further back than the middle eyes, are less 
than half as large, and are separated from them by more than 
half their diameter; the middle eyes are sub-touching. The 
eyes of the second row are nearer the lateral than the doisal 
eyes. The dorsal eyes are as large as the lateral, and are on the 
upper margin of the cephalothorax, although this row of eyes 
is not so wide as the cephalothorax below; they are equally 
distant from each other and from the lateral borders. There is 
no frons. 
The clypeus is vertical, with white hairs, and is about as 
wide as the large middle eyes. 
The falces are moderately robust, vertical; a little longer than 
the face, and parallel. Their color is yellowish-brown. The 
fang is small and weak. 
The maxillse are wider, truncated at the extremity and parallel. 
Color, yellowish-brown. 
The labium is more than half as long as the maxillae, rounded 
at the base, slightly truncated at the extremity. Color, yellow¬ 
ish-brown. 
The sternum is rounded behind, narrower and truncated in 
front; it is about twice as long as wide; color, yellowish-brown, 
fhe anterior coxae are separated by the width of the labium. 
