OF WASHINGTON. 157 



121. Linyphia socialis Sund.. Potomac hills, on tow-path to Alexandria, B Sept. 



122. sabulosa Keys. Potomac hills, Rock Creek, C May 



123. Front inia clathrata Sund. Potomac hills, Soldiers' Home, Giesboro 



Point, C May-Sept. 



124. coccinea Hz. Occoquan Falls, near the falls in web be 



tween shrubs, B Aug. 



125. Phlocomma hirsulum Em. Potomac hills, B Nov. 



126. rostratum Em. Potomac hills, B Nov. 



127. Erigone alba Fox. Rock Creek, A March. 



128. alticeps Fox. Rock Creek, B March. 



129. atriceps Cambr. Rock Creek, Potomac hills, C Mar.-Sept. 



130. autumnalis Em. Rock Creek, C Oct. 



131. bulbosula Keys. Giesboro Point, A Sept. 



132. depressa Em. Rock Creek, 



133. directa Cambr. Potomac hills, A Aug. 



134. enter tonii Cambr. Potomac hills, Rock Creek, Giesboro 



Point, D Mar.-Sept. 



135. fabra Keys. Potomac hills, Rock Creek, Soldiers' Home, 



D Mar. -Oct. 



136. fissiceps Cambr. D. C., Soldiers' Home, E Feb.-Nov. 



137. florens Cambr. Beltsville, Md., Potomac hills, D June-Sept. 



138. formica Em. Potomac hills on tow-path to Alexandria, B Sept. 



139. interpres Cambr. D. C. , D Aug. -Nov. 



140. lactabilis Cambr. Potomac hills, Rock Creek, D March. 



141. melanocnemus Fox. Rock Creek, . C March. 



142. micropalpis Em. Rock Creek. C March. 



143. minuta Em. Rock Creek, B March. 



144. montifera Em. Potomac hills, Rock Creek, C March-Nov. 



145. nigriceps Em. Soldiers' Home, Department of Agriculture 



grounds, C April-June. 



146. pallida Em. Rock Creek, C March. 



147. persica Keys. Department of Agriculture grounds, Analos- 



tan Island, B June-July. 



148. persoluta Cambr. Rock Creek, B March. 



149. rostrata Em. Rock Creek, C March. 



150. rubens Em. Rock Creek, C Oct. 



151. spiral-is Em. Potomac hills, Rock Creek, B March-June. 



152. tibialis Em. Rock Creek, C Feb. 



153. tridentatus. Rock Creek, B March. 



154. viaria Blackw. Rock Creek, Soldiers' Home, D June-Nov. 



155. ~j:if/0 Keys. Department of Agriculture grounds, on trees, B June. 



ORBITELARLE. 

 Fam. 



156. Acrosoma gracile Walck. D. C., in web, E July-Sept. 



157. reduvianum Walck. D. C., in web, E July-Sept. 



158. sagittatum Walck. Potomac hills, Cabin John's Bridge, 



in web, C Aug. 



