CONTENTS 
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Economic Importance ....ceceececoccocces Bere tere: eWalielioh ches tele te leRovete  ofehal ee!.c)'e 1 
Destruction of Crops and Gardens... .. cee eee ce seer cree ccererececse 1 
Medical Importance to Man and His Domestic Animals .........+++-- Z 
Effects of Natural Communities of Plants and Animals ............-- 3 
. Habits of Snails and Shugs...ccwccc ccwciwcwes ake iorsdeh onclioiove oi shores’ eYetel stl «10 eke: 4 
Ba SATS ATE SLUTS eo ce ele eo cele bios wee v bled cles © wleleleileis s\ieeis ee wee we 4 
Fresh-water Snails. .....ccccscsecvcccsecs Tee ohn Ce CCI OD Oa 5 
Biology of Introduced Species ........ Wdcda (aieVoke¥ suckee1oelie ole lelfohdloko afchckeielole sels 5 
(Sra cle | See ene ae SNodeneiclielodskeiesots ovenepets soilelovese SiaWeliatolebokepole rere SOUC AUR mE 6 
Rea Sia Ss ANGE. S LW Siove sic jo ve seve osecesexeieie\oue se GHobenel el cauel chehenaletoicialeleionews! «ils es 7 
Ghermiical GONCTON. gc soso. 67s seine «0 Bialelopeleiciarelel «sie aie hsies) sie sion evere 6 
PRysical Control «... eaicie ow een SiSiclaielahetol evn ic'die 0) eels siete lelle Sater evaiotens i 
Cultural, Control... .ieiactenasd's wlelets o/s's AOE oie BAe Chua 2600 COO ono. 7 
Biopoeical \GeOmerel soc iss a o.01e + odie SSSA coe by ota ts Meletoteiolelethererer 8 
GESH—WAber STAIUS. ie o chatsie< ca cleo wiles So GhekePotetelete le elcjeliess) cisiatelcisie «6 ele 8 
Genera miELOdueLion tO tHe MOUSE 2 << otis si0.cve 0fo's0 lve olen e 0 cle 6 ei s.clshe oe ees 9 
See Soe Te CHEV CRE Sao E tee W aN NEN Wal chal hos MoksN sor olkewoXeVoxeKoieletoXesdve<oxexsi ste elokele eis; st chee eenets eZ 
WUGUUTLNG SUCH eee Bi pieene ree mens Oe MICH NORE, OIG Re HDI RE EC ModeGe Gooobo DONS oGOE Ae lee: 
Systematic Account of Economically Important Snails and Slugs......... 18 
_ int STSLSi cl oe pee Pee ct Oe CER eso Sine Oo DOO Ino OC Cie oro mecanic 18 
Subclass Prosobranchiata....... siiplinl siete sheuede\ sia a 0}e (ss 6) oi<ierlee\lei'e)04 6 > ee 18 
AEM He IICINIG AG 6 5.6.5. 00,0608 6-08 0% iatehcisielel eke is hon nedgacsoecane es 19 
Sa eM Nae W SSE AUURURCHTEAE Pet ais Jo atc oda cakekoLevedoveye) )'eusiceis'/0i es 06)s4's (suas) 01,0)',0),9: @ie/e epee 19 
ER ATEL ERR CLIC TCEACT 1c i51.6) 6; 5) s\'s praia) 01 00% Gleseue.6 ),veus 2 066.0 eacNetsueboneueicveisusceroke 19 
Ee atatee em CSL ACE LEICAC: 5. alivc stoNce hea olay ete" s 6's+0 6 (ss wide 6 656 e,6 00 06.6 6 4.0 8 8¥s 20 
Family Oleacinidaey .'.'./.\.\« 3 5. Hus BU Olen PEC. O COICO Oo Dor ea 7A 
EBamily Achatinidaes .)..66 5. euch ay eNatchalcl el ueleliche ie.e. ai ellcele isis. © «)sjs10 «61 22 
PAROALY, LAT AC’. 2. oe old oc (g-0 ia) ieee ave od Holonsusteter ss ie le Sodan oes ode 25 
Family Bradybaenidae (Fruticicolidae),...... Breenel ciishis, ser sios outers ols 26 
amily Camaenidae ... os +s. SiePelistensceleieie eucieueie to cieisiels ai <heleielevenel =~ 26 
PG AEM ELC LICE |IAGAC. 5.5 6:0 «.s.00.6 00.0, 0.8 6/6.0 Blaha tewonehehereveciel eve e-ouarenesie aay Zi 
Baril Melicid ae, « s sis..08 06 6.2 ereveledehelelefelsr ckejcieiel sie etele ete) cs siisiecere e's Syl 
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