367 



Cephalnthorax pyi-aniidal. Lamella' hlade-like. liroad. ex- 

 tending almost the entire length of the cephalothorax and 

 united at their anterior ends Ijy a very short Itut liroad trans- 

 lamella: with small cusps. Lamellar hairs small, straight, 

 about three fifths as long as the lamella?; iuterlamellar hairs 

 similar to the lamellar ones but slightly larger: antero-lateral 

 hairs about as long as the lamellar ones and almost straight. 

 Pseudostigmatic organ fusiform, about two thirds as long as 

 the lamelhe. 



Abdomen subglol)ose; hairless, (ienital covers much smal- 

 ler than the anal covers: anal covers slightly liroader posteriorly 

 than anteriorly, and situated one third their length from the 

 posterior margin of the ventral plate. 



Anterior pair of legs about as long as the abdomen. Tarsus 

 and tibia of leg I subequal; genual about three fifths as long as 

 the tibia; femur almost twice as long as the genual. Tactile 

 bristle of tibia 1 about as long as the .segment it.self. Claws 

 with three equal dactyles. and situated on small tarsal pedicels. 



Length. 0.8S mm.: lireadth. (t.72 mm. 



Collected by the writer at Areola. 111. 



(ieuus XoTASpis Hermann. 



Integument well chitinized: ceplialothorax with lamella': 

 body smooth; last three pairs of legs situated laterally. 



KEY TO SPECIES. 



1. Abdomen without hairs jiifrnsfif/nntt/i. 



Abdomen with hairs '2. 



2. Outer margins of lamella' slightly emarginate near middle: 



length of body not over U.6U mm sjiiiiqws. 



Outer margins of lamella' straight; length of l)ody about 

 0.90mm h'qjilis. 



yotiisjiis iii/f(,sf>(/iua1(i. u. s}). ( I'l. XX X\.. Fig. \'2.) 



Very light yellowish brown; surface of integument rough. 



Cephalotluirax long; lamella' narrow lilades. l)roadest at 



the anterior ends; liinu'llai- hairs about half as long as the 



