A REVISION OF THE PISAURIDAE OF THE UNITED STATES 59 
Distribution. Illinois; *Stephensville Crossing, Bay St George, 
Newfoundland; *Pine island, *McLean, *Ringwood and *Ithaca, 
N. Y.; *Douglas lake, Mich. 
Dolomedes fulviatronotatus nov. sp. 
Type: a mature female in the collection of the Museum of Comparative 
Zoology, Cambridge, Mass. 
Type locality: Tamarac swamp, Pistakee, Ill, August 4, 1912, Nathan 
Banks collector. 
Female (alcohol): length, I1mm; legs 4-I-2-3, 21-20-18-17mm\; pl. 19, 
fg. /33) pl. 34) fig. 1 
Cephalothorax above yellowish brown; in front of dorsal groove 
a pair of small, wedge-shaped patches of black hair; a broad, median 
band composed of irregular, dark spots in the integument and short, 
brown hairs, extends from the anterior ends of the wedge-shaped 
marks to posterior margin of thorax; a marginal row of irregular, 
black spots on each side of the thorax and a small, dark patch behind 
each posterior lateral eye. Eyes each surrounded by a black ring; 
those of the anterior row in a straight line, subequal in size and 
equidistant, less than the diameter of one of them apart; eyes of 
posterior row subequal in size, one-third larger than anterior, in a 
strongly recurved line; the median separated by the diameter of one 
of them, one-fourth farther from the lateral. The width of the 
clypeus is 3 times the diameter of one of the anterior eyes. Che- 
licera orange-yellow, lightly marked with dusky on the front and bear- 
ing irregular rows of long, yellow hair. Ground color of abdomen 
above, yellowish brown; on the anterior half, a median, lanceolate, 
black-edged mark; on the posterior half, three lines of black which 
converge at the tip of the abdomen, the middle line composed of 
irregular spots which diminish in size posteriorly, the outer lines 
irregular but continuous; on each side of the point of basal, lance- 
olate mark, a conspicuous, rounded black spot. Sides of abdomen 
dusky yellow with narrow, ill-defined, longitudinal lines of brown; 
venter of abdomen with three brown stripes extending from ept- 
gastric furrow to spinnerets ; the median distinct and separated from 
the others by the yellow of the ground color. Sternum dark brown 
with black spots each side near the margin and a median, light line 
on the posterior half: Labiuwm and endites yellow, lighter distally. 
Legs yellow with irregular patches of black around bases of spines 
and scattered between, more numerous below than above. Epigynum 
slightly broader than long; median lobe twice as long as broad, 
