48 Wisconsin Academy of Sciences^ Arts and Letfirs. 



spots and lines, which is indistinctly visible through the white hairs. 

 Clypens with white hairs; falces, dark rufus; palpus, pale with three 

 rufus bars, mouthparts very dark, sternum and coxae, light rufus; 

 legs of the first pair light rufus, the others pale, tipped with black. 

 Venter covered with white hairs. 

 Habitat: New York, North Carolina, South Carolina, Alabama, Florida. 



ICIUS MITRATUS Hentz. 

 Plate I, figure 34. Plate III, figure 34a. Plate IV, figure 34. 



Syn.: 1845. Attus mitratus ( c$ ) H., Journal Bost. Soc. Nat. Hist., Vol. V. 

 1845. " mori^e?'MS ( ^ ) id. , ibid. 

 ? 1848. Mmyia pallida, C. K., Die Arachn, XIV, p. 79. 

 1875. Attus mitratus H. , Coll. Arachn. Writings by N. M. Hentz 



ed. by Burgess, Boston, p. 68. 

 1875. ' ' morigenis id. , ibid, , p. 69. 



3 . Total length 4.7 mm. Width of abdomen 1 mm. 



Cephalothorax: length 1.9; width 1.3; height .7. 



Legs 5.6, 3.5, 3.2, 4; patella and tibia of the first, 2.2; patella and tibia of 

 the third, 1.2; patella and tibia of the fourth, 1.6; metatarsus and 

 tarsus of the fourth, 1.6. 



?. Total length 5 mm. Width of abdomen 1.5 mm. 



Cephalothorax: length 2; width 1.4; height .8. 



Legs 3.2, 3, 2.2, 3; patella and tibia of the first, 1.5; patella and tibia of the 

 third, .9; patella and tibia of the fourth, 1.4; metatarsus and tarsus 

 of the fourth, 1.4. 



Cephalothorax rather low, slightly convex, a little dilated behind dorsal 

 eyes, with sides nearly vertical in front, and rounded behind; cephahc 

 part inclined; thoracic part falling gradually in the first half, 

 then steeply. Ocular area occupying about two-fifths of cephalo- 

 thorax, one-third wider than long, slightly wider behind than in 

 front. First row of eyes straight; middle eyes sub-touching; lateral 

 about one-half as large as middle eyes, separated from them by one- 

 fourth their own diameter; eyes of second row half way between 

 lateral and dorsal eyes; dorsal not quite so large as lateral eyes, fur- 

 ther froan each other than from lateral borders, forming a row 

 slightly narrower than the cephalothorax at that place. Clypeus ver- 

 tical, one-half as high as middle eyes. Falces a httle wider than 

 middle eyes, slightly longer than face, parallel, vertical; fang small. 

 Maxillse long, rounded and a little enlarged at the extremity; labium 

 twice as long as wide, two thirds as long as maxill£e,a little rounded 

 at tip, mouthparts longer and narrower in 3 than in ? . Sternum 

 contracted in front, rounded behind, {$) nearly twice as long as wide 



