1892.] KATURAL SCIENCES OF PHILADELPHIA. 49 



mandibles retreating ; palpal organ dark, very complicated ; tibia 

 swollen and with several projections. 

 One specimen^ Freeville, May. 



EPEIRID^. 



Epeirinse. 

 Epeira corticaria Em. 



Locally not uncommon, Dryden Lansing Swamp, Sept. 

 Epeira silvatica Em. 



Rare, Fall Creek, Oct. 

 Epeira nordmanni Thor. 



Common, in gorges, Sept., Nov. Several varieties of the species. 

 Epeira cinerea Em. 



Locally common, on cliffs in gorges, Buttermilk and Fall Creeks, 

 Sept., Nov. 



Epeira sclopeteria Clerck. 



Common, Aug., Nov. 

 Epeira patagiata Clerck. 



Infrequent, under bark, Inlet Marsh, Nov. 

 Epeira strix Hentz. 



Common, Aug., Nov. and in spring. 

 Epeira trifolium Hentz. 



Common, Sept., Nov. 

 Epeira marmorea Clerck. 



One specimen. 

 Epeira insularis Hentz. 



Common, Aug., Nov. 

 Epeira thaddeus Hentz. 



Not uncommon. Inlet Marsh, South Hill Marsh, Sept., Oct. 

 Epeira pratensis Hentz. 



Not common. 

 Epeira trivittata Kejs. 



Common, Sept., Oct. 

 Epeira domiciliorum Hentz. 



Common, Sept., Oct. 

 Epeira dispiicata Hentz. 



Common, Aug., Oct. 



