CHIGGERS — FARRELL 191 



nately arranged setules. Palpal claw varies from slightly curved 

 to almost straight; rather slender; with five prongs, three of 

 about equal length, the median prong somewhat heavier, and two 

 shorter on the outer surface. Galeal seta usually with one to 

 three setules (table 13). Base of chelicera heavy, blade smooth, 

 subapical dorsal tooth greatly reduced, usually not discernible; 

 ventral tooth distinct. Punctae on palpal coxa, none on cheliceral 

 base. 



Table 13. — Distribtition of setules on the galeal setae of 20 specimens of 



Euschongastia blarinae 

 Number of setules Fi-equency 



1 17 



2 16 



3 4 

 ? 3 



(Question mark indicates undetermined number of setules) 



Legs: Leg I with two slender genualae and a microgenuala, 

 two tibialae, the more proximal the longer, and a microgenuala, 

 a middorsal spur with microspur about half the length of the 

 spur distal, a subterminala, a small parasubterminala, and a 

 pretarsala. Leg II with a slender genuala, two tibialae, a spur 

 with microspur proximal and anterior, and a pretarsala. Leg III 

 with a slender genuala. Most nonspecialized setae beyond tro- 

 chanters with fine, curved setules; a few on dorsal surfaces with 

 straight setules. Empodium slightly longer than claws. Leg seg- 

 ments stout; legs without noticeable taper. Coxae and distal leg 

 segments punctate. 



Anomalies : Two specimens with two setae on one coxa III. One 

 specimen with one parasubterminala lacking. One specimen with 

 three tibialae I on one leg. 



Scutum: Slightly more than twice as wide as long. Anterior 

 margin concave between anteromedian seta and anterolaterals. 

 Lateral margins slightly concave, diverging posteriorly. Posterior 

 margin approximately parallel to the anterior margin, convex 

 posterolateral to the pseudostigmata and slightly concave between 

 them. The four extended corners bear the anterolateral setae and 

 the posterolateral setae. The anteromedian seta set near the 

 margin on an anterior convexity. Posterolateral setae longest. 

 All setae heavy with very large setules spaced on the shafts, the 

 posterolaterals particularly appearing quite spiny. Pseudostig- 

 mata posterior to a line drawn between the posterolaterals. Sen- 

 sillae long clavate, head enlarging evenly from the base of the 

 pedicel for three-fourths its length and rounding off distally; 



