Tech. Serieu 15, Bireau of Entomology, U. S. Dept. of Agriculture. 



Plate II 



IXODOIDEA, OR TICKS, OF THE UNITED STATES. 



Fig 1 —CcmtLcodes Kignatitx, female shield and coxae. Fig. 2.—Ceratixodes sig7iatu8, tarsi I and IV. 

 Fi^ ' S.—Ceratixodes sigvdtiif. fapitnlum of female. Fig. 4.—Ceratixodes putus. capitulum and 

 palpus of female. Fig. .">.—' ' raii.ciles putus, tarsi I and IV. Fig. (o.—Ceratixodes putus, shield 

 of female Fig 7.—Cerati.i<i<l< s putus, palpus of male below. Fig. S.—Ceralizodes putus, stigmal 

 plate of female. Fig. y.— /.exits ririnus, capitulum and tarsus I of female. Fig. 10— Ixodes 

 ricinus, coxse of female. Fig. 11.— Ixodes scapularis f, stigmal plate of nymph Fig. 12— Ixodes 

 californicus, female shield and capitulum. Fig. n.— Ixodes ricinus, female shield and stigmal 

 plate. Fig. li— Ixodes scapularis, mandible, and coxse I and II. Fig. lb.— Ixodes scapulans, 

 capitulum, tarsi I and IV, and shield, of female; stigmal plate of male. (Original.) 



