224 LIFE HISTORY OF NORTH AMERICAN TICKS. 
Page. 
Dermacentor venustus, economic importance.........-...------------ eee eee 180 
eps, deseriptive: 25. ae oe ee 166 
life istoryosy. cle ee Ta eee 168-169 
egps deposited: mmm bers se52b + sae bale eee 33 
erroneously reported as viviparous. .....--.--.......--. 24 
host relationship? ete! fh. Soo. ahen bs oe oh oe 166-168 
investigations by Bureau of Entomology, Montana Agri- 
cultural Experiment Station, and Bu- 
reau of Biological Survey............- 13, 14 
am LOO7FAL90O tess io sg teen ee 20-21 
larva ideseriptiveser. 22242. c.e3 See .... 165-166 
lifedniGtory 2222.5 ..4eytesol+ see eee ee 169-171 
Inte eyclorths ot alts. i en 179-180 
Thstory omel sstiiktes 5 ook Be ee aoe 168-179 
locomotiony..rea ses, SOS.) |, Sa 33 
longevity of stages, maximumett) Cisse eee me 
nosh: hal pitied: Se. Seen Bo 2 oo 29 
molting habites os. 5... Sees aoe. 158 
name used in early investigations for occidentalis... . . 182, 189 
nymph, deseriphive: 224-0) sear see 165 
periods in life history, maximum and minimum.......- 70 
personnel connected with investigation.............-- 166-167 
Pipping against brown. dog tick... .... 222 eesti a eee TE 
Cayenne ticks: 22224 -. eee eee 158 
Gulf Coast Gekucet.ts. 2.3: SUS aR 142 
Lone Star tidk cote vewloute-Detieeah eeet . eb ee 16L 8 
Pacific Coasttidk 2hten ill: aueiteoe. oi te 2 sto eee 190 
Rocky Mountain spotted-fever ticks 2...20.-..-.-..--.------- 181 
ticle ewe As SRE yc ES a ee oo core 44 
Pipsaeainst American.dog tick:: ois isc activa Pt eee OSI e oe ee 197 
Boevaecidental host of cattle teks... 22.5. 24..2 CR oo se See 25 
enemy of Dermacentor vomabwis. erase ooo PE eee 197 
hbst Of AmpiMyOmmMaamenicaniuinizas ass =saee eee oe eee ee 143, 147, 148 
cojenntisesi ait. eS JO.8 a | 52 oe ee 152 
TROCULAELITE EEE BD eee et aes. RO eee ee ee 139 
LUE CULT Mnk. Soe ee tere Oe eee 124, 130, 136 - 
Dermacentor occidenidhs.< ..2... 0955s See ee se eee “182 
UCT TIS EEE Re eee 190, 191, 193, 194, 195, 196, 197 
PENUSTUSHEE Shs SL Se a EO roe eee 166 
Tsodes kingt 22 os seek ok Be ee ere 82, 83, 88 
acaplaris ssi. £ EN cin AIO ie BIER ORE el = ote eee 77, 81 
Margaropus annulatus australis 2%, 238 ae we en owe LI7 As 
Rhipicephalus sanguineus. +... -. eS ew a 43, 102, 103, 108, 109, 110 
prairie, host.of Izodes Ring? ........ 2323 eens ae tee ee = «= ae ee 83 
Donkey (see also Ass and Burro). 
host of. Amblyomma cajennensé.\-) 2 See = 2 ae = oe Se S- ws  o e 157 
Drontedary, host of Rhipicephalus sanquineus.....-5os222e5.-~ 225 ose 103 
Dryness in control of Dermacentor parumapertus marginatus.....-------------- 165 
ticks .o. .é.c.cccokes See nee ae 41-42 
Duck; host of Argas, miniahuss occ cs5-cgan.s see eee eee a ee 47 
Berets; enemies of ticks. . 2:00am BOGE oe ee ee ee ae re 43 
Riephant,. host of ticks... .:.... . .. SOUS eee ean eee 43 
Euphagus cyanocephalus (see also Blackbird, Brewer’s). 
