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JOUBNAL OF ENTOMOLOGY AND ZOOLOGY 



the genital covers bears a row of small genital spines near its 

 inner margin. Anal covers each bearing a few prominent sets. 

 Legs stout, almost equal; the anterior pair, however, is slightly 

 the largest ; tarsus of leg I one and a half times as long as tibia, 

 tibia slightly longer than genual. Ungues stout, one-half as long 

 as the tarsi from which they spring. Total length of the body, 

 2.00 mm. ; height, 0.98 mm. 



Figure 6. Phthiracants maximiis n. sp.; side view. 



From Corvallis, Oregon ; under an old piece of wood which was 

 lying on damp ground ; by the writer. 



Described from three specimens. This species is at once 

 separated from all others of the genus by its large size. 



