ENTOMOLOGICAL NEws. 451 
tab ee ie aaa 
The cephalothorax bears two pairs of 
erior pair being shorter than those of 
Pig. 2.—Phithiracarus rotundus n. sp., side view, x So. 
__ the posterior pair. Pseudostigmata round, disk-like; in diameter each 
* jual to the width of tibia I; pseudostigmatic organ about twice as 
as the diameter of the pseudostigma. Palpi very prominent. 
omen almost as high as long; the upper half of the anterior 
concave, the lower half of the anterior margin straight. The 
part of the abdomen is rounded; ventral margin of abdomen 
The abdomen bears about twelve pairs of small hairs on the 
Legs about as long as cephalothorax; all subequal; tarsus longer 
than ; unguis large and stout, almost as long as the tarsus, from 
_ it extends, and tridactyle, dactyles equal. Length, 0.76 mm; 
TRE & ig Collected by the writer near Batavia, Ill. 
