152 



American Midland Naturalist Monograph No. 1 



Ornithodoros (Otobius) 21 



Otobius 21 



key to species of Otobius 21 



panduriform 7 



paralysis of fowls 3 



parkeri (Ornithodoros) 62 



parkeri and turicata compared 69 



persicus (Argas) 17 



pest of cattle 3 



pest of poultry 3 



plates '27 



protuberance, dorsal subapical 7 



posing o 



posthypostomal hairs - 7 



postpalpal hairs 7 



preserving fluid 



projection, anterior 4 



radiatus (Argas) 17 



rearing " 



reflexus (Argas) 14 



relapsing fever 3 



Rhynchoprion (Argas) 14, 17, 37 



Rhynchoprium (Ornithodoros) 21, 37 



Rocky Mountain spotted fever 3 



rudis (Ornithodoros) 101 



sanchezi (Argas) 17 



savignyi (Ornithodoros) 38 



schinzii (Argas) 38 



sex opening 7 



similar ' 



simple hairs 7 



spinosum (Rhynchoprium) 21 



spiracle / 



spirochetes of relapsing fever 3 



spirochetosis, avian 3 



spur, apical ventral 4 



stageri (Ornithodoros) 91 



subapical dorsal protuberance 7 



sutural line 7 



talaje (Ornithodoros) 82 



terms, explanation of 4 



truncated hairs _ 7 



tubercles ' 



turicata (Ornithodoros) 56 



venezuelensis (Ornithodoros) 101 



venter ' 



veterinary importance 3 



viguerasi (Ornithodoros) 106 



rvheeleri (Ornithodoros) 62 



yumatensis (Ornithodoros) 74 



