367 



Cephalothorax pyramidal. Lamellae blade-like, broad, ex- 

 tending almost the entire length of the cephalothorax and 

 united at their anterior ends by a very short but broad trans- 

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

 about three fifths as long as the lamellae; interlamellar 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 lamella?. 



Abdomen subglobose; hairless. Genital covers much smal- 

 ler than the anal covers; anal covers slightly broader 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 I about as long as the segment itself. Claws 

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



Length, 0.88 mm.; breadth, 0.72 mm. 



Collected by the writer at Areola, 111. 



Genus Notaspis Hermann. 



Integument w r ell chitinized; cephalothorax with lamellae; 

 body smooth; last three pairs of legs situated laterally. 



KEY TO SPECIES. 



1. Abdomen without hairs yyrostigmata. 



Abdomen with hairs 2. 



2. Outer margins of lamellae slightly emarginate near middle; 



length of body not over 0.60 mm spin ipes. 



Outer margins of lamellae straight; length of body about 

 0.90 mm bipilis. 



Notaspis pyrostigmata, n. sp. (PL XXXV., Fig. 12.) 



Very light yellowish brown; surface of integument rough. 



Cephalothorax long; lame! he narrow blades, broadest at 



the anterior ends; lamellar hairs about half as long as the 



