508 THE ANIMAL PARASITES OF MAN 



Argas chinche, Gervais, 1844. 



This Acariis, a native of the temperate parts of Colombia, is 

 very troublesome to man. It is probably identical with A. americanus, 

 Packard, which infests domestic fowls and turkeys, and occasionally 

 also cattle, and is differentiated from A. reflexm by the sculpturing 

 of the cuticle. 



Genus. Ornithodorus, Koch. 



Neumann's SYNOPSIS OF THE GENUS ORNITHODORUS is as 

 follows : 



i " 



5 



i 



Hypostome unarmed ; integument in nymph stage and partly 



in adult spinulose ... MEGNINI. 



Hypostome armed with recurved teeth ; integument not 



spinulose ... ... ... ... ... ... ... ... 2. 



Camerostome with movable lateral flaps ... ... ... ... TALAJE. 



Camerostome without movable lateral flaps 3. 



Anterior border of distal segments of legs with tubercles or 



festoons 4. 



Anterior border of segments of legs without tubercles or 



festoons ... ... ... ... ... ... ... ... 8. 



Body not much contracted anteriorly 5. 



Body pointed anteriorly ... ... ... ... ... ... 7. 



Tubercles of distal segments of legs higher than broad, distant 6. 



Festoons of distal segments of legs as broad as high, con- 

 tiguous pavimentosus. 



Eyes present SAVIGNYI. 



No eyes MOUBATA. 



( Eyes present ... coriaceus. 



\ No eyes TURICATA. 



Integument with fine radiating wrinkles lahorensis. 



Integument granular 9. 



Tarsi appearing bifid at apex ... ... ... ... ... furcosus. 



Tarsi not appearing bifid at apex 10. 



( Tarsi of first pair of legs with three dorsal tubercles, of other 



10 j legs with one canestrinii. 



\ Tarsi without dorsal tubercles or with only one u. 



(Tarsi of last three pairs of legs with pronounced dorsal 



protuberance tholozanii. 



Tarsi of legs with indistinct dorsal protuberance erraticus. 



Ornithodorus moubata, Murray, 1877. 



An abundant African tick which is one of the carriers of the 

 spirillum of African relapsing fever and can also carry Filaria Persians 

 (Christy). Its body is oval, yellowish-brown when young, greenish- 

 brown when mature The integument is covered with mamillose 

 tubercles. No eyes .aid the stout legs granular above, the tibiae and 

 tarsi fringed with tubercles on the upper side. Pocock : records it from 



1 " A System of Medicine," Allbutt and Rolleston, i, pt. 2, p. 195. 



