132 
Psyche 
[Vol. 91 
Rovner. eds.. Spider Communication: Mechanisms and Ecological 
Significance. Princeton University Press. Princeton, New Jersey. 236 pp. 
Savory, T. H. 
1930. Environmental differences of spiders of the genus Zilla. J. Ecol., 
18:384-385. 
Waldorf, E. S. 
1976. Spider size, microhabitat selection, and use of food. Am. Mid. Nat. 
96(l):76-87. 
Wallace, H. K. 
1942. A revision of the burrowing spider of the genus Geolycosa (Araneae; 
Lycosidae). Am. Mid. Nat. 27 ( 1 ): 1 —6 1 . 
