xvi List of Illustrations 



FIGURE FAQB 



158. Ixodes minor $, hypostome 165 



159. „ „ $ , essential parts 166 



160. Ixodes boliviensis £ , dorsum, venter, hypostome, spiracle, tarsus 4 167 



161. „ „ ?, capitulum and scutum, part of venter, spiracle . 168 



162. „ „ o, dorsum, venter, tarsus 4 168 



163. Ixodes fuscipes ? , capitulum and scutum, capitulum in ventral 



aspect, coxae, spiracle and tarsus 4 . . 169 



164. „ „ ? , capitulum and scutum, coxae with part of 



capitulum 169 



165. Ixodes spinicoxalis ? , basis capituli and scutum, coxae with part 



of capitulum 172 



166. „ „ <j>, hypostome 172 



167. Ixodes marxi ? , capitulum and scutum, part of venter, etc. . . 173 



168. Ixodes pratti <J, capitulum and scutum, capitulum in ventral aspect, 



coxae, spiracle and tarsus 4 . . . . 174 



169. Ixodes rubidus $ , dorsum, part of venter, spiracle and tarsus 4 . 176 



170. „ „ o, capitulum and scutum, part of venter, spiracle 



and tarsus 4 176 



171. Ixodes hexagonus <J, dorsum and venter, spiracle and tarsus 4 . 178 



172. „ „ J, (gorged), dorsum and venter, spiracle and 



tarsus 4 179 



173. „ „ 9 1 capitulum and scutum, parts of venter, 



spiracle and tarsus 4 . . . . 180 



174. „ „ ? , capitulum, dorsal, ventral and lateral aspects . 180 



175. „ „ 9 > ta rs i 1 an d 4 > highly magnified . . . 180 



176. „ „ o, capitulum and scutum, part of venter, spiracle 



and tarsus 4 181 



177. „ „ L, dorsum, venter, tarsus 3, hypostome . . . 181 



178. Ixodes nitens <J , capitulum and scutum, parts of venter, spiracle and 



tarsus 4 185 



179. Ixodes bieornis <j> , part of venter, hypostome 186 



180. Ixodes auritulus J, capitulum in ventral and dorsal aspects, with 



scutum 188 



181. „ „ $, hypostome 188 



182. Ixodes brunneus 9 > capitulum and scutum, coxae, capitulum in 



ventral aspect 191 



183. „ „ 9 1 digit, hypostome, ventral aspect of basis capituli 



with coxae I 191 



184. Ixodes cavipalpus £ , dorsum, capitulum in dorsal and ventral aspects 193 



185. „ „ £ and ?, spiracles and digits .... 193 



186. „ „ $, capitulum in dorsal and ventral aspects . 194 



187. Ixodes angustus <J, dorsum and venter, spiracle and tarsus 4 . 195 



188. „ „ ^ , capitulum and scutum, parts of venter, spiracle 



and tarsus 4 196 



189. „ „ o , capitulum and scutum, parts of venter, spiracle 



and tarsus 4 197 



