360 



Collected by myself at Urbana, 111. Many specimens. The 

 identification of this species has been confirmed by Mr. 

 Banks from a specimen sent him by the author. 



Oribata fuscipes C. L. Koch. 



1835. Zetes ephippiatus, C. L. Koch, Crust. Myr. Arach., Heft 3, Tab. 7. 



1884. Oribata fuscipes, Michael, Brit. Orib., Vol. I., p. 241, PI. VII., Fig. 1, 2. 



1895. Oribatella bidenlaia (?), Banks, Trans. Amer. Ent. Soc, Vol. XXII., p. 8. 



1898. Oribata fuscipes, Michael, Das Tier., Lief. 3, p. 13. 



Dark brown; integument thick and tough; surface almost 

 smooth. 



Cephalothorax short; lamella? large, horizontal, twice as 

 long as broad, truncate in front and bearing there a straight 

 plumose hair as long as the lamella? themselves; translamella 

 a short blade; pseudostigmatic organ long, filiform, becoming- 

 stouter apically, almost erect. 



Abdomen two thirds as broad as long, with a row of long, 

 slightly curved bristles on the posterior margin and a few hairs 

 on the sides. Pteromorpha? small, truncate in front. Anal 

 covers situated about two thirds their length from the posterior 

 margin of the abdomen; genital covers about two thirds as long 

 as anal covers. 



Legs subequal; a small blade present on each of the fem- 

 ora of the first two pairs; the tarsus of leg I with a long bristle 

 near its proximal end; all the tarsi well clothed with hairs. 



Length, 0.70 mm.; breadth, 0.44 mm. 



Under boards and in moss. Collected by the writer at 

 Areola, 111. Four specimens. A specimen of this species was 

 sent to Michael, and he also identified it as 0. fuscipes. 



Oribata artilamellata, n. sp. (PL XXXIIL, Fig. 2.) 



Dark olive; integument of medium thickness, not very re- 

 sistant, finely pitted. 



Cephalothorax about a third as long as abdomen; lamella? 

 narrow blades on edge, of uniform width, with small cusps; 

 translamella a narrow blade, about half as broad as the lamella?; 

 pseudostigmata cylindrical, longer than broad; pseudostigmatic 



