Tech. Series 15, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate VIII. 



IXODOIDEA, OR TICKS, OF THE UNITED STATES. 



Fig 1 —Drrmacentor ,weidr,ititlis, oapitulum of male and female, shield of female, and tarsus IV 

 of male Fiff 2 — /*' /»/(«■, nfur orri,lnit<t/is. r„x:c I and IV of male, stigmal plates of male and 

 female Yig 3-l>< mmr, nh.r ni^imliir atus. stit^mal plate of female. Fig. 4.-l)ermacentor 

 venustus coxa iv <.t inalr. Vi^: u.-D, nu<u;iiU,r venuf^tiis, capitulum and stigmal plate-s of 

 male and female. Fig. t:,.-Dcrmacento>- panmai,ni,i^ var. marfiinatus, stigmal plate, capitu- 

 lum, and shield of female. Fig. T.-Dcrwacevtor n m,,/,,.-: sliirl.l of female. Fig. 8--^e™«- 

 centor pammapertus, stigmal plate of female. Fig. \).-I>< naan iifor nujrohneatm, oapitulum of 

 female Fig. lO.—Dermacentor parumapertu.% shield and capitulum of female stigmal plate 

 and capitulum of male. Fig. 11.— Dermacentor nigrolineatus, stigmal plate and capitulum ot 

 male. (Original.) 



