20 



1543 Helix calif orniensis Lea. 



1544 Variety Nickliniana Lea. 



1505 Helix (Arionta) carpenterii Newcomb 

 1634 Helix (Arionta) coloradoensis 



3147 Helix Damascenus Gould, 1856. 



3 Helix dentifera 



1939 Helix devia Clappi. 



3144 Helix Duranti (var Caelata Mazyck)). 



3149 Helix facta 



1531 Helix (Polygyrella) Harfordiana 



2108 Helix (Patula) Hemphilli 



3145 Helix Kellettii 



18 Helix labyrinthica 



2109 Helix (Triodopsis) Levettei Bland. 



3142 Helix levis 



1547 Helix loricata Gould. 

 2240 Helix loricata sonomaensis 

 2091 Helix (Arionta) Magdalenensis 



19 Helix monodon 



3146 Helix Newberry ana 



4 Helix palliata 



3143 Helix pandorae 



1497 Helix ptychophorus castaneus 

 22 Helix pulchella 



3148 Helix Kowellii 

 2 Helix sayi 



3150 Helix St earns iana 

 16 Helix striatella 



3151 Helix Traskii 



3152 Helix Traskii Carpenteri 



20 Helix tridentata 



3153 Helix tudiculata 



1498 Helix tudiculata subdolus 



3154 Helix (Vancouverensis Lea, 1839) var. Sportella 

 3141 Helix veatchii Newcomb. 



2242 Helix walkeriana 



2243 Variety Morroensis 



836 Hemicardium biangulatum Sowerby. 

 1144 Hemithyris psittacea Gmelin. 

 1885 Hemphillia camelus Pils. & Van. 



837 Hemphillia glandulosa W. G. Binney. 

 1882 Hesperarion niger Cooper. 



3883 Hesparion Hemphilli 

 110 Heterodonax bimaculatus 

 2080 Hindsia perideris 

 330 Hinnites giganteus Gray 



435 Hipponyx antiquatus Linne. 



189 Hipponyx antiquatus L., var serratus Cpr 



436 Hipponyx cranioides Conrad. 

 2297 Hipponyx grayanus Menke. 

 434 Hipponyx serratus Carpenter. 

 188 Hipponyx tumens Cpr 



1816 Holospira bilamellata Dall. 



838 Holospira arizonensis Stearns. 

 2208 Holospira cionella 



2210 Holospira chiricahuana 



1815 Holospira Cockerelli Dall, Nautilus 11:61. 



1818 Holospira Crossei Dall. 



2953 Holospira Ferrissi 



1713 Holospira (Haplostemma) Hamilton! 1363 



