INDEX. 



311 



Helix annidata, 42 

 apex, 38 

 appressa, 126 

 arboi-ea, 33 

 arhoretorum, 1(56 

 arbustoruin, 187 

 areolata, 177 

 ariadiiffi, 104 

 arrosa, 163 

 aspersa, 183 

 asteriscus, 82 

 attenuata, 186 

 auriculata, 86 

 auriformis, 88 

 avara, 91 

 ayersiana, 72 

 barbigera, 116 

 harbula, 188 

 baskervillei, 152 

 berlandieriaiia, 159 

 bicarinatus, 187 

 bicostata, 293 

 hidentifera, 188 

 binneyana, 40 

 bonplandi, 187 

 breweri, 43 

 hridgesily 169 

 bucculeuta, 148 

 bulbina, 153 

 caduca, 287 

 californiensis, 170 

 capillacea, 286 

 capsella, 46 

 carnicolor, 184 

 caroliniensis, 126 

 carpenteri, 171 

 carpeuteriaua, 107 

 catascopius, 187 

 cellaria, 30 

 cereolus, 106 

 cerinoidea, 30 

 chersina, 46 



chersinella { Conulus) , 43 

 • christyi, 144 

 cicercula, 160 

 <■ clarkii, 143 

 clausa, 128 

 clausa, 149 

 Columbiana, 150 

 conspecta, 41 

 concava, 54, 56 

 convexa, 121 

 cooperi, 78 

 corpuloides, 187 

 corrugata, 186 

 costata, 157 

 couchiana, 104 

 crebrislriata, 168 



Helix cron7>:heitei, SO 

 cidtellata, 283 

 cumberlaudiana, 70 

 cumherlandicus, 187 

 cypreophila, 166 

 dumascenus, 180 

 dealbata, 208 

 (/pciOT, 187, 188 

 dejecta, 139 

 dcmissa, 45 

 denotata, 124 

 deiitifera, 145 

 depicta, 187 

 devia, 152 

 diodonlu, 154 

 di.ssidens, 56 

 dissi wills, 188 

 di vesta, 138 

 domcstica, 28 

 dorfeuilliana, 101 

 dowuieana, 151 

 duhia, 74 



dupetithouarsi, 173 

 durunli, 37 

 edgariana, 114 

 edvardsi, 115 

 e(/e?(a, 47, 48 

 elecirina, 34 

 elevata, 142 

 e///o?/?, 291 

 espiloea, 90 

 evansi, 188 

 exarata, 168 

 exigua, 42 

 exoleta, 144 

 fabricii, 48 

 facta, 175 

 fallax, 131 

 fastigans, 97 

 fatigiata, 97 

 "febigeri, 108 

 fergusoni, 74 

 ferrea, 40 

 fidelis, 161 

 Jiorulifera, 88 

 fraterna, 119, 121 

 friabilis, 287 

 JuliginoKu, 285 

 /u/ra, 47 

 J'uscata, 188 

 gabbi, 175 

 germaiia, 120 

 gJaphijra, 30 

 griseola, 160 

 gnluris, 186,292 

 gnndlachi, 48 

 haliotoides, 187 

 hammonis, 48 



