Index. 1x 
PAGE AGE 
Helix aspersa, Miill-continued. Helix hortensis, Miill—contd. 
Wet TRLEL Us Ree sees ashes se 109 Vo LEED Es re a ree 111 
m. scalariforme ......... 109 Was UILICOLD IN. raesebescnacees 111 
IM. SUNTSETOTSUIM <...0...: 109 Mm. sinistrorsum ......... 111 
Helix cantiana, Mont. ......... 112 Helix lamellata, Jeff. ............ 106 
SV SDTEOD ial sal PRS rec ae 113 Helix lapicida, Linn. ............ 123 
v. Galloprovincialis ... 113 Vid 2UGTESCENS Ma qcteessecaes 128 
Ni 1/0 OD nee ee ee ee a 113 Vin IUUnoys hase eee. tae 123 
Wis, PUUCSCENS:  teccadadoee’ 1138 Vis) LLOUTO AT Re ee ee 123 
V. PYTAMIAALA ....0e.0c00+ 113 Helix memoralis, Linn. ......... 110 
Helix caperata, Mont............. 119 Vici GLDCSCENS) Seven gee ace 110 
Wi OUILLCI(BEON stra. Poa oes. 119 VisuSCUMCUT ieee cota 110 
aL dt BO Rn cares hhc 119 Vo TULL rk eee ea 110 
Wise LUD esas ne sacane s+ 120 Vj: COSEOMIE, Saat cee eee 110 
VOLS ONL LES EC Ee We deck o's 120 Viel OLUVOCE case teaethe tees 110 
Vic l OUTED Pee eae ta ea as « 120 Wi LCLuerc sce wear ae 110 
Vie CAEL eae eat Bi vice ce 120 Vane Z0CLIRELC Pee cee, coches es 110 
v. pupenae USERRA ese ss 120 Vil QU bua avn ere ete 110 
WEI CICA IO) Case pn ee oe ear EO eee 120 V. AyAloZONatA, .......0000 110 
Helix Geeta, MM Ses oes 113 V. TOSCOLADIALH......00000 110 
v. leucoloma ORR NR ee 114 V. Gloolabiata «2 ..0..cevss 110 
RET ULELU SUS ae. eoeccdiees 114 Vin CRLCRTUPEE 2.5 0.seneee 110 
Helix concinna, Jeff. ...;........ 114 V. Gimarginata ......0- 110 
We UMILGTI Se ote racer cess 115 Vie LUT aes ae, cee 110 
We) CALLE Sak sear 115 Vis COMDPNESSIL 2.6). cdereeaae 110 
Helix ericetorum, Miill.......... 120 Visi CONOILE: Ue eee 110 
Vet LUGE SCON SIMON Ne hs Satan sae 120 V. PONAETOSA. .......00c0e00e 110 
Vee CULO ONAN 205 sta. slows's 120 Visit] OTs ccacon cee otemer once 110 
NYA LYE A, ONE 120 Va TIUETION A hecrioe eee eemedos 111 
VLG JOT ee ccdals Stes sboss 120 Vis, CUNCEL: | Ssectescsceeceeses 111 
Vis UEILOT, cc ous Baad etna cee 120 Vi FASCIA ee eee eee ula 
WATILSIILDULLS Coen Sioa cso. 120 IM, SINUStLOTSUM....0..0000. 111 
TM. CESHUNCEUNUN -<cdene 610. 120 m. scalariforme .......0 111 
IM. StNIStTOTSUM,......0000+ 121 Helix obvoluta, Miill............. 123 
Helix fusca, Mont.... ............ 117 Helix Pisana, Mine 52235. ccc-.'s 117 
Helix hispida, Linn. ............ 115 Wi CU COLAE (Ree cack 117 
Me SPEO TUL ocus vas ates. 115 Vir CLOG eats sh vate cedenscnee 118 
VER/USED shesaen sete cores 115 Helix pomatia, Linn. ............ 106 
NT TELL ILO et han eee wa'weois 115 Vij CLOTAT EN ee eee 107 
V. SUDGIODOSA.......00.0000+ 115 Vis) SUSUR GLOSS eater oaeaaae 107 
V, CEpuata ..sseseseceeeee 116 Helix pulchella, Miill............. 122 
ES COIEUCUA Mie dene eels soe 6 116 Vis | COSLOQLG) Vcc ceea eae catees 122 
SU MELT Diiaiets seh oe Sais 8 spies 116 Ve, LEUIGAEA 1, <eaneanaeene 122 
Helix hortensis, Mine sa33, 0s 111 Helix pygmea, Drap............. 122 
ARTIUITIO Ins Mee eueeen oN, eo oie lala Helix revelata, Mich. ............ 116 
v. roseolabiata..........0. 111 Helix rotundata, Miill. ......... 121 
v. fuscolabiata............ 111 Vic SU ULL cts casiaccenenpet 121 
nL TIL ema tua aea cans » qa V: LUrioniin ee 121 
Va COMUEL GL. thickets sate 2s itll Vie CLLOGLE euisanatees dace. 121 
Vi LIL T IUD sess Sans oh'a's 111 v. pyramidalis........ vase Dau 
WW UULPDDe Vase tena secicowe. 111 Vie TIUULLOT On atone etiee es 121 
V. TOSEOZONAEA ....ccce000. 111 Helix rufescens, Penn. ......... 114 
Vy LOLLIICE Mean eon wcissin 111 Wiss TALDCIES” ar une eee 114 
MUL LGUIVORAS Nednacdiescase’ 111 Vis GLOGS |. 2 ae ene antes 114 
Wey LT CMUCOLG cesescdeseas se 111 Vi 2IU1IUO Teese ee neers 114 
