6 IXODOIDEA, OR TICKS, OF THE UNITED STATES. 



Page. 

 Pi-ate VII. Fig. 7. — Dermneentor nilem^: coxa T, leg IV of male, and shield and 



capituluiii of nymph 42 



S. — Dermaceutor variabilis: tarsus 1 42 



9. — Dermacentor albipictits: stigmal plate of female, and capitu- 



luni of female and of male 42 



10. — Dermacentor nitens: stigmal plates of male and female, 



capitulum, and shield of female 42 



il.— Dermacentor albipictus: coxa IV, and stigmal plate of male. 42 

 VIII. Fig. 1. — Dermacentor ocddentalis: capitulum of male and female, 



shield of female, and tarsus I V of male 46 



2. — Dermacentor ocddentalis: coxpe I and IV of male, stigmal 



plates of male and female 46 



?>. — Dermacentor nigrolineatns: stigmal plate of fenmle 46 



4. — Dermacentor renustus: coxa IV of male 46 



5. — Dermacentor venustus: capitulum and .stigmal i)lates of 



male and female 46 



6. — Dermacentor panimapertus var. marginatiis: stigmal plate, 



capitulum, and shield, of female 46 



7. — Dermacentor venustus: shield of female 46 



8. — Dermacentor paru)napertus: stigmal plate of female 46 



9. — Dermacentor nigrolineatus: capitulum of female 46 



10. — Dermacentor ])arumapertus: shield and cai)itulum of fe- 

 male, stigmal jilate and capitulum of male 46 



11. — Dermacentor nigrolineatus: stigmal plate and capitulum of 



male 46 



IX. ( By the late Dr. George ]\Iarx. ) 



Fig. 1. — Ixodes scapularis: fresh female, and male attached to fe- 

 male 48 



2. — Ixodes scapularis: female, coxa I, male, female stigmal 



plate, venter of female, and rostrum from beneath 48 



3. — Ixodes dentatus: engorged female, shield, and capitulum. 48 

 4. — Ixodes cookei: male and female above and below, stigmal 



plate, and rostrum from beneath 48 



5. — Ixodes ricinus: engorged female, above and below 48 



6. — Ceratixodes putus: stigmal plate and capitul im 48 



7. — Ixodes dentatus: rostrum from below 48 



8. — Ixodes marxi: engorged female 48 



X. (By the late Dr. George Marx.) 



Fig. 1. — Dermacentor bifurcatus: nymph, coxa\ shield, venter, j^al- 



pus, stigmal plate, and capitulum 48 



2. — Ihemaphysalis leporis-palustris: male, and rostrum of fe- 

 male beneath 48 



3. — Dermacentor variabilis: engorged female, above and below. 48 

 4. — Dermacentor variabilis: male, above and beneath, and stig- 

 mal plate of female 48 



5. — Amblyomma americanum: nymph, above and below 48 



6. — Htemaphysalis leporis-jialustris: fresh and engorged females . 48 

 7. — Margaropus annulatus: capitulum of female, above and 



beneath 48 



8. — Margaropus annulatus: cajiitulum of male, above and 



beneath 48 



9. — Dermacentor occidentalis : male -18 



10. — Dermacentor reticulatus: male 48 



1 1 . — Dermacentor albipictus : male 48 



