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



Plate VII. 



IXODOIDEA, OR TiCKS, OF THE UNITED STATES. 



Fie 1 —Ambliiomma cajennenfe. capitulum of female and .stigmal plate of male. Fig. 2.— Ambli/- 

 omma cajennense, stiamal plate and tarsus I of female, cox* I and IV of male. Fig. Z—Der7na- 

 centor variabUL% eai>itnhim and stigmal plate of female. Fig. i.—l)trmacentor rurmbihs, capi- 

 tnlvim of male. Fig. b.—Ihrmacentor albipicfus. shield of female. Fig. i\.—Dermacentor 

 variabili.% leg I of larva. Fig. 7.-I)> n:i,ir, i,t„r ,ut> us. coxa I, leg IV of male, and shield and 

 capitulum of nymph. Fig. H.—Dermnr, 1,1,. r r,in,ihi/i.<. tarsus I. Fig. 9.~Drrm,ir, ntnr al}„p,Hus, 

 stigmal plate of female and capituhini oi irinalr and of male. Fig. \Q—Di:nu,ini,t<ir intms, 

 stigmal plates of male and female, capitulum and shield of female. Fig. U.—Vinnacmtor 

 albipictus, coxa IV and stigmal plate of male. (Original.) 



