TIIK MOI'N'T DESERT REGION 51, 



Dkapetisca Menge 



D. alteranda Chamberlin (socialis Emerton). On spruce 

 trunks, two specimens. Duck Brook Path. Several females 

 from bark of fir trees infested with bark louse, September 

 12, 1945 (A. E. Brower). 



Frontinella F. Cambridge 



F. communis (Hentz). Bass Harbor, August 21 (Britcher), 

 F242, F400, June 23, F399. 



Helophora Menge 



H. insignis (Blackwell). Bass Harbor, August 21 (Britcher). 



Lephthyphantes Menge 



L. leprosa (Ohlert). One female, August 21, Bass Harbor 



(Britcher). 

 L. nebulosus (Sundevall). One female, Long Porcupine 



Island, Bass Harbor, August 21 (Britcher). 

 L. zebra Emerton. Hare Forest, sifting, August 10. 



Lixyphia Latreille 



L. maculata Emerton. One immature, S476 ; one immature, 



S489. 

 L. mandibulata Emerton (pusilla of authors). Corfield, Half 



Moon Pond, Somes Sound, F242, F399, F416, F420, F452, 



males and females, May 23-June 1. 

 L. marginata C. L. Koch. In woods, chiefly coniferous, living 



near ground. Very common and widely distributed. Seal 



Harbor (Britcher), Hemlock Road woods, F190, F242, F399, 



F416, F420. Males and females, May 28-August 25. Female 



on sweet fern, June 23. 



Microneta Menge 



M. viaria (Blackwall). Penikese, Cross Road Sal. Cove, Sec- 

 tion 37, Foot of Newport Mountain, Hare Forest, taken by 

 sifting leaves, June 25-August 10. 



