April, 1919] New Spiders from Ohio 359 



Sittacus cursor n. sp. 



Male: Length 2.3 mm. Color alive, entire upper surface a uni- 

 form silver gray. Color under alcohol, the cephalic plate bluish black, 

 thorax yellow brown, a wide black line encircling the thorax from the 

 base of one palp to the base of the other. Cephalothorax and abdomen 

 uniformly covered with white hairs. Clypeus light. Three prominent 

 bristles between the A. M. E., the upper one bent dorsally. Abdomen 

 marked with small dark spots, which at the posterior form four chevrons, 

 sides marked by many longitudinal dark lines, base above with long 

 white and some long black hairs. Anterior femora black above. An- 

 terior patellcC spotted in the middle, with a narrow dark band at each 

 end. Femora below with a narrow band at base, a wide one in the 

 middle and another at the end. Sternum mottled with dark pigment. 

 Tibia of palp very large with a long spine. (PI. XV, Fig. 8a) . The male 

 runs with great rapidity. 



Female: Length 2.7-4.0 mm. Color ahve, uniform brownish 

 gray, evidently due to the many dark orange hairs mixed with the white. 

 Color under alcohol, like the male, except that the spots on the abdomen 

 are larger and more irregular. Epigynum a triangular area, a single 

 opening at the anterior end, and two circles near together at the 

 posterior. In one specimen the circles are side by side, in the other 

 specimen they are one in front and the other behind. (PI. XV, Fig. 8b). 



One male from Columbus, Ohio, July 2, 1917; one female, 

 from Buckeye Lake, Ohio, June 24, 1917; one female from 

 Columbus, Ohio, June 24, 1918, in a nest on a stone at the edge 

 of a timothy field. 



Sassacus smaragdinus n. sp. 



Female: Length 4.5 mm. Color alive a brilliant emerald green, 

 the basal band on the abdomen, sides of cephalothorax and scales on 

 palpi and legs brilliant yellow. Color in alcohol, integument dull black, 

 covered with scales the color of which changes with the angle of the 

 light from deep purple to green. This species is rather closely related 

 to S. papenhoei, but differs in the following particulars: The cephalo- 

 thorax is practically flat on top (slightly higher at the third eyes) and 

 slopes abruptly to the posterior border, the A. S. E. are only one-third 

 as large as the A. JM. E., the mandibles are inclined forward so that 

 they protrude in front of the eyes when viewed from above, the lip. is 

 longer than wide, the clypeus is red, showing no white, except a few 

 very long white scales which project between the bases of the mandibles. 

 Femora black. Patellee and tibiae dark red brown. Metatarsi yellow, 

 with a dark band at end. Tarsi yellow. Claws and hairs of foot black. 

 Patella and tibia I with a patch of brilliant yellow scales above at 

 distal end. Similar patches of yellow scales occur on patella, tibia 

 and tarsus of the palp. The cephalothorax is widest at the middle of 



