Do LIFE HISTORY OF NORTH AMERICAN TICKS. 
Page 
Dermacentor venustus, economic importance... eee eae ee 180 
ego, descnipityedts Ax. 2. Sele. bir aib iid a1 a ne ae 166 
Tife histories asprakeet 84 Cons: 2 Rian eth ik eee a mane pet 168-169 
evesrdeposited,, mgm ben 0.2 cc. Cee ee ce 33 
erroneously reported as viviparous. .........-.-----.-- 24 
host: relationplayis, sae aes Fee ee Se 166-168 
investigations by Bureau of Entomology, Montana Agri- 
cultural Experiment Station, and Bu- 
reau.-of ‘Biological Survey =: 20. Sees 13, 14 
Ta OO SOG) es 5 eae) 2 ee a 20-21 
lar vax Pesehip ive see cas ee acise oao St Slee ee es 165-166 
laa, INCOR Ys) 62's Se ec Sale ote 169-171 
lifecycle 228 supe. Ges Jet 179-180 
PUI GOR Yi aps eect ye te 5 ots eon 0 Oe ey Oe 168-179 
loComotiOns. 25.5. .0545enhebee cd sae eee 1 eee ee 33 
longevity of stages, maximum): pe Re a AL 
mating habits. .5 22) oc eh enone or <a t he Be eee 29 
molting doa bitsy 6.5 Siete Seth a ees ee ee 158 
name used in early investigations for occidentalis... . - 182, 189 
nymph, descriptive: 42-2 <1. 6 4es ee 165 
periods in life history, maximum and minimum......-. 70 
personnel connected with investigation............--- 166-167 
Dappine against: brown.doe tickonc 2.542 Bae ee ees ee ee ae 111 
Cayenne fi¢ks 3.0228. 5:0 Wee oe oe oh ee el ee 158 
Gulf Coast: tieles 2. scucoacisn Lk gee Qh tee ae ee eee 142 
Lone Star tiekee. hc. seit sep sees ata 2k 151 
Pacific, Coast tH Ge so pes onc tt eo i ey pac i ihe 190 
Rocky Mountaim: spotted-tever tickc- 46-2. .-5-.-22-55esee 181 
LF Gl 4: eee cree Ree ee MEN MR RECIENTE eM Sh UE a 44 
Dips against American. dog tick... 22250) 2-2 abe ca seh eee eee 197 
Moc.aecidental host-ot cattle tick)... 3s ae ee 25 
enemy. of Dermacentor. vanmavins wis ou) ashen e eee ae ee eee 197 
host: of Anibiyommaaienrco nite ns. oe ee ee ee eee ee 143, 147, 148 
COG CUTCW SC ape cs offers aI ye DES ee 152 
RUA CU LOUD ae. a, es et ee ee ee ee is ee 139 
PAL Der CULE UTD = 2.308 re ees aa oe a hee 124, 130, 136 
Dermacentor occidentalis <2: 2 5< aise tte Seok oe oe oo eee 182 
DURTQDUUIS =e (ee Ae 190, 191, 193, 194, 195-196; 19% 
VETUUSTUS eb ish crlg sora Aylate a ERN Oe Re ol Ue 166 
BOWES MINGUS 22 ale. Aes, Boe ees a es ee ee Scan ea 82, 83, 88 
SCOPRMUOTUS xn naldcs 2 Seed Se eg ep g hI NS  are  Pe Ree 77, 81 
Margaropus annulatus australis. kee eee ote 2 eee TZ als 
Rhipicephalus sanquincus:4.2 22 sates sense 43, 102, 103, 108, 109, 110 
prairie, hostof Tzodes kingtr .c0c25. <505. anes oe A ieee ne ee eee 83 
Donkey (see also Ass and Burro). 
5 host, of Amblyommaienjenmenseey oa 9 ae a ee es eee eee 157 
Dromedary, host of Rhipicephalus sanguimeus.. 225 22 kao oe ce ees 
Dryness in control of Dermacentor parumapertus marginatus........----------- 165 
Gi@KB 2 Soe ie yp ea yt 41-42 
Duck, host of Argasimintatus:.<..2.5.2522) 32 See Nee eee eee ee 47 
Berets, enemies.of ticks... 2.52 «20-4. 6 28a5 555ee eo eee eee 43 
Hlephant, host of ticks s/s). (ce sae 4h Be ne are ree 43 
Euphagus cyanocephalus (see also Blackbird, Brewer’s). 
