New Nebraska Spiders.*

Abstract

Recent collections of spiders in the state of Nebraska have revealed the following new species. Brachybothrium lincolnianum n. sp. Male. In life, black or fuscous in color, the venter lighter than the dorsum and the carapace somewhat lighter than the abdomen. In alcohol, this color changes to a yellow or brown, the cephalothorax then being yellowish and the abdomen darker, a soft brown or tan. Eye area twice as wide as long; anterior median eyes separated from each other by an interval equal to more than twice the diameter of one of them and from the anterior lateral eyes by a space only slightly greater; the latter have a diameter two and one-half times that of the former. The posterior median eyes are as far apart as are the anterior lateral eyes, while the posterior lateral eye, the posterior median eye, and the anterior median eye of each side are in a row and form almost a straight line. The posterior lateral eyes have a diameter two-thirds as great as that of the posterior median eyes, while the posterior median eyes have a diameter about three-fourths that of the anterior lateral eyes, which are by far the largest eyes; posterior row slightly longer than the anterior.