TABLE OF CONTENTS. 
TNCTODUCEION® ¢5siyies cs tuciels v sediaie a Senin dale VR aaa Gatun o 4 ABR on ab eed aR eoE sas 
Early accounts of mosquitoes............ 0.0. ccc ccc ceccceuseecceuceuueens 8 
Mosquitoes a8 PeBt9... fas cs o3 eevee Gaede ca ere saacneuunsameeensvaudas 8 
Early accounts of the biology and structure of mosquitoes............... 20 
Structure of the adult mosquito............. ccc cece cece cece ceeceeeeneeuees 25 
PMG TOA. 5a otise oak crate cher MePocs mtn ti Xan Scmed anach Gucalalala atenes ee 4 cies ae ymca ecu ae 25 
PNG CY OG se cS octane yiabdeen da mii ook Mina artin oa tok akua ee Arete GweEo tes 25 
The: antenne! eee sceerrrcaeret yenieraaendsdoaacanwiaecs eae saueacs 26 
EHV: CLV DOU) hase cecaishariacesas avaunceich scans aiais sale renera- BG oie gees des Bia ger ake eS 36 
DDE PrODOSCIS ise ssiesc ceria aides ws Wickes sack Guan Wes Hee was WS BAG RAS BA 37 
FENG: Dall s:. oven avisam oa wag cae ee Nie acu da a Fates So SOLES kee ee 50 
PNG: AMORA RS rast. Gate esas uve $4 Missy 4 CMR Ae 24 ME oe AERC oca ade oon Glens salon oa 55 
The :prothorax: 2.0 xsd t-censcaiecwe daneviasw aveisoa 0:0 ohided. ie « Wea aiiw. tases sar RWndenee 55 
DHE MESOEN OAR: i. varaiev eis Gudea ein s Bialena GAs noun Gis deawere leg Blea Ie ahaa’ 4 57 
The Metathorax .. vreiece oaaancsieasioe'y 05 sae at4 Rede ba whe 64 eG awe oa aw EE 59 
ENG WINES: 307s opis Sas Oe ws dag ease Wine’h <6 Big dM POA ARES ek RE ene 60 
MOG MOBS oc aiccane g's atu oka tann a Gia esal x's. AIRS ew kone, See vamtaisoh EA cde Pan pa BS SHS 62 
MN ADGOMEN. 55 sss 5 sivas 8 58 sacs: gie Saves a asacereie ew drew visww Shain 40.4: ¥eenwtsecd Widued ss 67 
The abdomen of the female............. cece cece cere c cece evenenss 67 
The abdomen of the male............c cece ce ecec cee eeeceecceceeees 69 
PVG: SCAICS isch. isva Sages eansisse o< dedi sry Guat 8 ances si aA Sask RARE RPE TR Gl 71 
The internal anatomy of mosquitoes........... 00 cc cece cece cece ee nen tenance 15 
GLOSS AMALOMNY: 5 siisitis-s ssieraicn se acavenacavaievequsl Oca wpnbaie P sxaule Vand eae adeaton wedeataees 75 
The alimentary canal......... 0... cece ccc e cece eee e ee neeeeeeeee 75 
The TeprTOductiVe SYSTEM voc oe cen oa seus es ace cen eea ves cee ve cuaNRA 79 
Ne fat DOY sass gir yawns vee eos O42 ¥ Goa £4 KE RR OEE iad sve Monee 79 
The tracheal system ss sss scwe cd cee 24 sew a dba 6 soe wae wea cece o eeecne ® 80 
FRISCO ORY <> se easii tee tise: 8 eoaaia id avsdar ode d.loneyh ch sib upaub dik. belies testa ask Gomeauetetad raters 80 
The alimentary canal and appendages...............cceeceeceecees 80 
The reproductive SySteM........... cc ccc cee nee tee cee ceeeerseccces 83 
The larva, sae sis sess soe es eh sae ine tte 62s ae eG ApS BANE Hy Selec Dee e « 84 
Head and mouthparts.............. cece cece ccc u se ese cence ree teneenes 84 
ARNG: OY ES. cores bess. 6s oie cd a Heras eWee aera ee SHER ENN. yeh FRE EES 87 
FENG CH OTAX. -y.cigee-g ai pide ele hye <cawlatars w@ slaylo ds Sache qualnetn’s ats 4 arene wd aries 88 
The Abdomen. s.c's's-syan-c a ws a 38 4 oe vee ss ORE HOY CAA EBM SA Sa NE ae 88 
The respiratory organs................. Sh oetaetre saat ah aed tPadon ba Gootysae Peed ena 89 
Modifications of larval structures............ 0... ccc cece cece ee eee eens 91 
Adaptations of the mouthparts of Culicid larve to the predaceous 
A DUG aya arciserd eg ana ss Gees ea washes lead si aie Witte: ade wees 3 hs oe Es 95 
Moulting and the number of larval stages.......... 0... 0. ccc cece ence reas 97 
TENE UND Ae so. 9.5 ,5: es nee ead pes Maes WRG SG aun eed he cues Bed Deana levied alea auondavga scar 99 
EXClOSION: OL CHE: TMA LO. esse psc eyes bo. cesunlig 3:4 stank # dea. seta ee. Sinn Heke Oma aie iwi arene ee 103 
Habits: of adult mosquitoes ives scses sac wid vice gages & siete s wise cba Seach: w oh lorie ane Aiwa s 106 
The £000: Babits ices: seek ces Hees a eag eeu dase Few 4a Tea ew RES a4 Say aHele es 106 
Mosquito songs and their power of hearing............. cc cece eee eee 114 
PTDINS OL, CCL VAC Vesa: 50.25 cos asge x snnbieteerces Gauans b iasdausgu gs HUGS grist gp ele Nd. favieag DUR yenlout ot Sl gviphtaveh aN allah 118 
AsO MB OVC 665s 4 sar aiss ne scmiecar ese ee aaeca seared tas Sima Doasseaipeonsgoaicasig wihawer ane sacindcly ve hid lave ae abaee 118 
Hibernation and eestivation.......... 0... cece cece eee cette tence 119 
Mating habits ais¢seesecees i i caw sss mpw aes ie bed EA Os TER Ee A Ow 494 ee 120 
Abundance of MoOSquitoes...... 6. cece cece eee e eee e teen nee 132 
Mosquitoes in the far North......... 0. ccc ce ccc eee ree cee ree eee eae 135 
Eges and oviposition. « «cies is nets sawed eeeeasa ele be oases ele nurs bed ge ea bese 140 
Habits: of the: larvetsseeissxec4 i mw vss ews ce emnees snow aa wae ye asee eee ew eva eee 146 
Food of mosquito larve.... 0... ccc cece tcc ee ete e eens Neti t aa tacos 150 
Hibernation of MoSquito larV®..... cece ccc ee eee ee eee eens 154 
The pupal Periods cvs.s0 ee ssa pesea neg aca ge sea te mange Seem OE Rea Ce eee RE 155 
