CHIGGERS — FARRELL 197 



anterior to it, and a pretarsala. Leg III with a slender genuala. 

 Nonspecialized setae distal to trochanter of leg I rather slender 

 with a frill of numerous, short, curved setules ; setae on the dorsal 

 surface of tarsus with few, straight setules. Both sorts of non- 

 specialized setae beyond trochanter of leg II; those dorsal and 

 anterior tending to have fewer, straight setules; those ventral 

 and posterior tending to have numerous, short, curved setules. 

 Most feathered setae on leg III with short, curved setules. 

 Empodium more slender than claws but about the same length. 

 All coxae punctate; all distal segments may have few punctae, 

 usually present on segments 4, 5, and 6. Segments stout; legs 

 without noticeable taper. 



Scutum: The form in general similar to that of E. blarinae, 

 with similar ridges, but with a slightly less regular outline. 

 Punctae usually not distinguishable; sometimes found within areas 

 bounded by the ridges. Usually two pits near the posterolateral 

 terminus of each ridge. Scutal setae with heavy shafts well 

 covered with slender, rather long setules, Sensillae clavate, heads 

 enlarging more abruptly than in E, blarinae, largest about two- 

 thirds the length from the base; usually somev/hat pointed on 

 the distal end; closely covered vv^ith moderate setules on the an- 

 terior surface, sparsely covered on the posterior surface. 



Standard data for five specimens from Orange County, N. C. : 



AW PIV AP SB ASB PSB AL AM PL S 



Eyes: Two pairs; rather small. Anterior pair just lateral to 

 the posterolateral setae. Data from five specimens: Diameter 

 of anterior eyes, 7 to 9, mean 8.4 ; of posterior eyes, 6 to 9, mean 

 7.4. 



Dorsal setae : Two distinct forms. Setae in the first two post- 

 humeral rows tend to be nude adjacent to body; on lateral edges 

 adjacent to body are two alternate rows of larger setules; numer- 

 ous, more slender setules cover the lateral and opposite surfaces. 

 Setae in the three posterior rows flattened, lanceolate, leaflike, 

 with short, sharp setules on lateral edges and the surface away 

 from the body. The flattened setae sometimes occur at the ends 

 of the second posthumeral row. Data from five specimens : Length 

 of humerals, 59 to 63 ; of setae near the middle of the first post- 

 humeral row, 54 to 56 ; of setae in the posterior row, 47 to 57. 



