Tech. Series 1 5, Bureau of Entomology, U. S. Dept, of Agriculture. 



Plate VI. 



IXODOIDEA, OR TICKS, OF THE UNITED STATES. 



FiK 1 —Ambluomma americanum, male, and stigmal plate of female. Fig. •l.—Ainblyomma ameri- 

 canum stigmal plate of nvmph and tarsus IV. Fig. •i.—AmUyomma amencunum, hypostome, 

 shield and capitulum of" nvmph, stigmal plate of male, and coxa I. Fig. 4.—Amblyomvia 

 americanum, capitulum of female. Fig. b.—Ainblyomma macidatum, tarsus IV, and coxae I and 

 IV Fig a—Amblvomma cajennense, tarsus IV and mandible of male. Fig. i.—AnMyomma 

 maculatum, tarsus I, and stigmal plate of male. Fig. ?,.-Amblyomma tuberculatum, capitulum of 

 female stigmal plate of male and of female. Fig. 9.—Avibtyomma macidatum, stigmal plate of 

 female' Fig. lO.—Amblyomma macidatum, capitulum of female. (Original.) 



