CONTEN ES: 
: Page. 
IIe Re Te DOP R ih oes ie in wp oe Ro Dee Oe iba bake «2 oso 13 
manne ie eminence a eh eo 8 SIS 2 Sue's Leap VL .'e 14 
Byetematic position and classification: .. 2.0... -. i ee ae ee 14 
Collecting, preservaae, and mountmg !). 50.20.5202 848 2b ee ol 17 
PiemAgM Te, SIN OTEOD 4 8209S 2025 2822s Seu ys eens a IDOE... - 18 
Pintary cn tile wiclomical study of ticke_. 22:2. SPY 20 
POs Guicets LMCI oe ot LPR cy tg 21 
Getieral life history... -:.22...-2:: 24 
erent behead ee a Bae kegel ee elt el lo ee 25 
EMR teh oe a a oa en ea hee oe ee ene ease 32 
Penne rer) rare Onan a en Se tn a as eens 33 
ene RE rs i ee ee Sh aye eg Boe ae aan ete 34 
menos empoved in atudies Of ticks...2-. 2.22... 222i... 2. he ents 35 
ORES SEEDS tlc os eee i le SRO oh eta op an eR ae 4] 
ane TIOTENR St Teo tye ke Se Ss aos - ae eat eae AE 44 
Rena tient wn ne Arvanidee 25. Jo Se 2 2 2 ek ee ee gece es 45 
ot ee Lo ee arg ieee  aee oaae ea A eR oh a a 45 
Tew tek, Argus mintatus Woclt. 0...) 22. Aen eee dees - 52 46 
we GL ED SLs eG oe ee ae ne alle ge pete neemen Neste MWg Fe ies 5s ge Maia aa 46 
PS Cae a ae te ene aE RL ee Lea 47 
Pecgea pears) chit aiitean 2S oS, a ee wee aw T- - ee 
MER et ee ee ee oe Ts oa cnt oA SRR a 48 
WUC Oe See ee en a ane LE ee OM 59 
Pierre MIME IAMCES: 2 52.4 a2 52 to ne SLE Cee 60 
ieremeree cnn me ee et CSR ED. Laks SU 60 
EE es) ale ee a een oe SC eat el ee 61 
TS TS 50 PS pe le eae es eyo tae aie AA ae pelea eae ane A, Ae a 61 
The spinose ear tick, Ornithodoros megnini (Dugés)........-.----.----- 61 
coll Teh 2. hss teed ee ee eet a olpet hal anaemia i a ogee 62 
Host relationship. . Ato. fas kets dh ieee ee ah gm tapes 9 eco ty a 62 
Siepueavisiesl distribution: Dich ot et aRla caf m Reli bens decay yp betsy 62 
SERN! A See ere he ka renee en 64 
aE Ree ra ee or TN ee was 5 a wee Ss oe ws 68 
eee AUPE INIENS Sool ial tte Sk es i go a an +S 68 
MEM NNCREE Benes te en SF So ee ne we Se mom < 69 
Oh eee le dl ee eS See een RE 69 
Development of the Ixodide............ : 69 
ee EPET TIER ee arin Ci i ote PELE < ois Lien Did nd. w nonce sins 4 oes 7 
The black-legged tick, Iwodes scapularis Say...........-.--.--------- 76 
Os OAC DN IE ae belle edie a EY One ey yee 76 
Host relationship. . : 7 
Geographical distribution:. Pe eee nok! oP, vt & eee 77 
REE  S Se a ee nT Sa ie A hits win nce oe 0 eet ck Cia ns ws 77 
ems a tics scree stirs ct teks POPROIE RBUSOA . 6. 3. 81 
Senne, TNO TAMER... 52 Salcedo 2 aoe SANS RRS . 81 
ME ee sae oe Sat Le. A Tee PER TROON 5 cones 81 
en pe Pte cee nace acess aah wees 81 
