30 PROCEEDINGS OF THE ACADEMY OF [1892. 



different. Found under stones or leaves in holes in the ground 

 often an inch from the surface. 



Not uncommon in Buttermilk Creek, Fall Creek, Six Mile Creek. 

 Two female specimens agree closely with these typical specimens, 

 except that the sternum is extremely narrow and the lip broad at 

 tip as seen in fig. 87. It may be a new species but the epigynum is 

 the same. 



THERIDID^. 

 Theridinse. 



Theridium tepidariorum Koch. 



Abundant, in houses and about buildings ; occasionally found on 

 cliffs in gorges. 



Theridium rupicola Em. 



Not uncommon, under stones, Six Mile Creek, Dec. 

 Theridium kentuckyense Keys, 



One female ; similar to the male but a little larger ; epigynum as 

 on Plate V, fig. 43. 



Theridium differens Em. 



Not uncommon in evergreen trees. 

 Theridium spiralis Hentz. 



More common than the preceding ; in evergreen trees and else- 

 where. 



Theridium murarium Em. 



Not uncommon, Six Mile Creek ; evergreen trees. 

 Theridium punctis-sparsum Keys. 



Uncommon, Fall and Cascadilla Creeks, Dec, Feb. 

 Theridium frondeum Hentz. 



Very common in summer. 

 Mimetus interfector Hentz. 



Infrequent, Fall Creek, Six Mile Creek, Freeville, Aug. Sept. 

 Mimetus epeiroides Em. 



One young specimen probably this species. Buttermilk Creek, 

 Aug. 



Ero thoracica Reuss. 



One specimen, Inlet Marsh, March. 



