INDEX 



163 



H 



Habitat 



illustrations. 8, 10, 21.24, 28, 31. 32 



snail 9, 13 



Habits, feeding 5 



haliotidea, Testacella 143 



haliotoidea, Testacella 143 



hammonis, Vitrea 69 



Haplotrema 91 



concavum 6, 7, 91, 92 



HAPLOTREMATIDAE 91 



Hawaiia 72 



kawaiensis 72 



minuscula "2 



Head, snail 3, 4, 5, 6 



Helicina occulta 39 



HELICIXIDAE 39 



Helicodiscus 88 



parallelus 88 



singleyanus 89 



singleyanus inermis 89 



Helix 19 



albolobris 19 



clausa 57 



kawaiensis 72 



minuscula 72 



minutissima 90 



monodon 60 



perspectiva 87 



pomalia 23 



pygmaea 90 



Mender sonia 39 



occulta 39 



higginsi, Succinea 148 



Hills 29 



HiXKLEY, A. A 26 



hirsuta, Polygyra 59 



Hodgson, C. S 26 



Hoe, Ferriss 13 



HoLziNGER. John M 19 



kolzingeri, Gastrocopta 19, 99 



Hunting for snails 3 



I 



Identifying snails 20 



Illinois 



counties of 27 



land snails, collectors of 25 



map of 27 



physiography of 26 



rivers of 27 



illinoisensis 



Succinea 126 



Succinea retusa 126 



Illustrations, habitat 



8. 10,21.24,28,31.32 



indentata, Retinella 71 



inermis, Helicodiscus singleyanus . . . 89 

 inflecta 



edentata, Polygyra 47 



inflecta. Polygyra 47 



media, Polygyra 47 



Polygyra 47 



Polygyra inflecta 47 



Infraparietal lamella 110 



inornata, Omphalina 149 



inornatus, Mesomphix 149 



interna, Gastrodonta 150 



Interparietal lamella 110 



interlexta, Gastrodonta 82, 150 



intertextus, Ventridens 82. 150 



J 



Jaw 5,6 



K 



kawaiensis 



Hawaiia 72 



Helix 72 



Kennicott, Robert 26 



Keys 22 



kochi, Anguispira 22. 85 



L 



Labels 16 



Labial denticle 18 



labyrinthica 



labyrinthica, Strobilops Ill 



parietalis, Strobilops 112 



Strobilops 110. Ill 



Strobilops labyrinthica Ill 



virgo, Strobilops 112 



laevigata, Zonites 68 



Lakes 30 



Lamella 18 



angular 93 



columellar 93, 110 



infraparietal 110 



interparietal 110 



parietal 93, 110 



Lea, Isaac 25 



leai, Polygyra 61 



leporina, Polygyra 62 



leporinum, Lohosculum 62 



ligerus, Ventridens 81 



LIMACIDAE 128 



limatulus, Zonitotdes 80 



Limax 



flavus 23, 142 



maximus 23, 141 



limpida, Vitrina 149 



Linnaeus 19 



Linne 19 



Lobosculum leporinum 62 



loessensis. Vertigo 106 



Lower palatal fold 93 



lubrica, Cochlicopa 120 



lucidum, Oxychilus 140 



M 



Macrocylis 92 



magister, Succinea retusa 125 



Mantle 4 



collar 4 



Map of Illinois 27 



marginatus, Pupoides 108 



Marsh, W. A 26 



Marston, George T 26 



mauritianum, Opeas 140 



maximus, Limax 23, 141 



mcclungi, Gastrocopta procera 102 



media, Polygyra inflecta 47 



meridionalis, Striatura milium 77 



Mesomphix 65 



cupreus 64, 66 



