278 Genus Ixodes 



GEOGRAPHICAL DISTRIBUTION OF THE GENUS. 



Some species in the appended list appear to possess special hosts, 

 judging from their having been found thereon several times. Such 

 hosts are given in the column to the right : 



EUROPE. 



AFBICA. 



North Africa : 



ricinus : Algeria, Tunisia. 



hexagonus: Algeria. 



vespertilionis : Algeria. Bats. 



nigricans: Madeira (perhaps = ricinus, see text). 

 Central Africa: 



rasus : E. and W. 



ugandanus : E. and W. 



ugandanus var. djaronensis ; Abyssinia. 



schillings^: E. 



rubicundus var. limbatus : Congo Free State. 



cavipalpus: Angola, N.W. Bhodesia. 

 South Africa : 



rubicundus : Cape Colony. 



pilosus : Cape Colony. 



percavatw : Tristan d'Acunha Islands (W. of Cape Colony). 

 Madagascar : 



lunatus. 



ASIA. 



ricinus : Transcaucasia, Arabia, Japan. 



ricinus var. ovatus : Japan. 



acutitarsus : India, S. Formosa, Japan. 



signatus: Japan, Unalaska (Aleutian Islands). Marine birds. 



japonemis : Japan. 



simplex : Shanghai (China). 



spinicoxalis : Sumatra. 



nitens: Christmas Island (Indian Ocean). 



putus: Kerguelen's Land (Indian Ocean), Bering Island 



(Bering Sea). Marine birds. 



