82 INDEX. 
Ixodes uria . in United States 55 
variabilis=Dermac* ntor variabilis 74 
reference to original description 7-1 
Ixodidae, subfamilies and genera 46 
table of subfamili< a and genera 40 
[xodinas, structural character and gi aera 46 
structure of genera 54 
tal»l<' of genera 41 
I sodoidea. (See Ticks.) 
"Jackdaw." (See Quiscalus major macrourus. 
Jaundice, malignant, of dogs, transmission by Haihiaphysalis leacM 53 
jigger flea. (See Sarcopsylla penetrans.) 
Kingbird. 'Sec Tyrannus tyrannus.) 
I ieech, use of Amblyomma macutatum by South American Indians 63 
Lizards, hosts of Ixodes ricinus 56 
Llama, host of Omithodoros turicata 46 
L> pus callotis, host of Dermacentor variabilis 50 
palustris, host of Hasmaphysalis leporis-paVustris 53 
sylvaticus, host of Ixodes ricinus 56 
Longevity of Argas miniatus 44-45 
Ixodes 55 
Omithodoros megnini 46 
"Louping ill," of sheep, connection of Ixodes ricinus only accidental 59 
Mammals, hosts of Amblyomma americanum 59 
Argas 42 
Argasidae 41 
Man, host of Amblyomma americanum 59 
cajennense 61 
maculatum 62 
Argas 42 
Dermacentor occidentalis 51 
parumapertus 50 
Ixodes ricinus 56 
Margaropus annulatus 35 
Omithodoros megnini 45 
turicata 46 
Margaropus annulatus. (See also Tick, cattle.) 
habitat 49 
host relations 34-35, 39 
in Florida 73 
New Mexico 73 
Ixodes bovis a synonym 74 
outranked as a pest, locally, by Amblyomma ameri- 
canum 59 
placed in genus Rhipicephalus by Neumann and Ful- 
ler 47 
transmitter of splenetic or Texas fever 40, 69 
var. arg< ntina, habitat 49 
auslralis, habitat 49 
M. microplus probably a synonym 49 
calcarata, habitat 49 
caudata, habitat -49 
