294 
NOTES ON TICKS. IV. 
RELATING TO THE GENUS IXODES AND INCLUDING A 
DESCRIPTION OF THREE NEW SPECIES AND TWO 
NEW VARIETIES. 
By GEORGE H. F. NUTTALL, F.R.S. 
(From the Quick Laboratory, University of Cambridge.) 
(With 21 Text-figures.) 
CONTENTS 
PAGE 
1. New species and varieties of Ixodes: 
Ixodes eichhorni n. sp. JO 1 , from New Guinea . . 295 
,, vicloriensis n. sp. J. from Australia . ... 297 
,, nairobiensis n. sp. $, from British East Africa . 299 
„ ricinus var. gibbosus n. var. $ J, from Asiatic Turkey 300 
,, dentatus var. spinipalpis n. var. J O Z_. from British 
Columbia ....... 301 
2. Description of hitherto unknown stages of established species: 
Ixodes japonensis Neumann 1904, described; from 
Burma and Tibet-Yiinnan border . . . 305 
„ nuttalli Lahille 1913, redescribed, $ O Z. described; 
from Peru ....... 307 
,, auritulus Neumann 1904, OZ. described; from 
Peru, Canada, etc. ...... 312 
3. Species now recognized as valid and redescribed after examina¬ 
tion of the types: 
Ixodes granulatus Supino 1897, $, from Burma . . 315 
,, anatis Chilton 1904, $ O, from New Zealand . 317 
„ eudyptidis Maskell 1885, $ O, from New Zealand 
(/. neumanni, Nuttall and Warburton 1911, 
falls into synonymy) ... . 320 
4. Species redescribed from better specimens than the types: 
Ixodes tasmani Neumann 1899, J, from Australia, descrip¬ 
tion of J and provisional description of hitherto 
unknown <$ Q and /_ .321 
5. Further data regarding the geographical distribution and hosts 
of Ixodes ......... 324 
6. Remarks and corrections relating to certain species of Ixodes . 334 
7. List of new species and varieties of Ixodes and of species not 
hitherto recognized or included in Ticks, Part n . 336 
1 The signs J O Z. denote male, female, nymph and larva respectively. 
