Under bark. Collected hy J. Douglas Hood at Muucie, 111. 

 One specimen. 



Drihiitd ririjiiiini Banks. ( PI. XXXIV.. Fig. 5. ) 



1906. (IdliiiiiiKi rir(/lii((yi, Banks, Proc. Ai-ad. Nat. Sci. Pliila., Nov., Ul06, p. 

 49?,, PI. XVI., Fig. 18 and 20. 



Walnut-brown; integument lirittle; surface rough. 



Oephalothorax about a third as long as the al)domen; la- 

 mellie broad, blade-like, almost as long as the oephalo- 

 thorax, broadest at the middle, each with blunt apex bearing 

 the lamellar hair: lamellar hair straight, simple, about two 

 thirds as long as the cephalothorax; pseudostigmata large, 

 funnel-shaped; pseudostigmatic organ serrate, with long, thin, 

 recurved peduncle and clavate head; interlamellar hairs long, 

 thin, and pectinate; rostral hairs subequal to lamellar hairs and 

 slightl}' curved; three pairs of tectopedia, the first pair blade- 

 like and very narrow, the second and third pairs rounded. 



Abdomen two thirds as broad as long, hairless: pteromor- 

 phip very narrow, truncate in front, and extending aliout two 

 thirds the length of the abdomen; anal covers triangular, fully 

 twice as long as the genital covers; genital covers rectangular, 

 small, and situated about twice their length in front of the anal 

 covers. 



Legs subequal. the anterior pair extending in front of the 

 rostrum by about half their length. 



Length, 0.50 mm.; breadth, 0.34 mm. 



Under l)oards. bark, and logs, and in nio.ss. Collected by 

 the writer at Homer. 111. Several specimens. 



Orihdta /niH/a. n. sp. ( I'l. XXXIV., Fig. 6.) 



Light yellowish brown; integument rather thin; surface 

 rough. 



Cephalothorax short; lamellte mere ridges; lamellar hairs 

 rather short, pectinate, and slightly curved: pseudostigmata 

 cup-shaped; pseudostigmatic organ long, recurved, lanceolate, 

 and strongly serrate on the anterior edge only, tlie posterior 



