University of Michigan 



Clevelandia 99. 4, 5 



ios 99, 5 



Cochlicopa lubrica 



..98, 9; 102, 4; 111, 26. 37 



Coenonaias 106, 8 



Condylura cristata 108, 22 



Conradilla 112, 56, 58 



caelata 112, 56 



Conulus 106, 50 



vacans 106, 50. 51 



vaccus 106: 50 



Cora cyane 96, 8 



Cornus canadensis Ill, 25 



stolonifera 111. 29 



Corunculina 112, 54 



Corylus americana Ill, 29 



rostrata 109, 16 



Crenodonta 112,, 9, 11, 12 



Cryptcps fiirciferens 97, 2 



heathi 97, 3 



Cunicula 112, 28 



patula 112, 26 



Cupipes ungulatus 97, 2, 17 



Cyclcnaias 112, 18. 19 



tuberciilata 112 18 



Cyprogenia irrcrata. .112, 43, 44 



stegaria 112, 43 



Cyptolcstes 96, 1. 4, 5,6 



tuberalatiis 96, 6, 9 



Cyrtonaias 106, 24 



Cyrtotoraa mexicanum 



106, 42, 43. 45 



mexicanum. .. .106. 43. 44 



salleanum 106, 42. 44, 45 



D 



Decurambis 112, 38, 39. 40 



Delphinonaias 106^ 24 



Diervilla lonicera Ill, 24 



Diphlethmus 97, 25 



mexicanus 97, 2. 17 



Diplax ornata 103, 15 



Dirca palu,stris 109, 16 



Disccconulus 106, 50 



Disconaias 106, 20, 22 



Dolicbarhamplius.lO.>, 2, 3, 4, 13 



indicus 105, 13. 14 



Doumea typica 9.'). 3 



Drymaeus 106, 47 



Dysnomia. . .112, 27, 49. 65, 70, 71 



brevidens 112, 51, 66 



flexuosa 112. 70. 71 



sulcata 112, 68 



torulosa 112, 69 



triquetra 112, 65 



turgidula 112, 69 



E 



Ellipsaria 112, 41, 42. 51 



fasciolaris 112, 41. 42 



Elliptic. 106, 8; 112, 25, 27, 28, 59 



complanatus 112, 30 



crassidens 112. '28 



crocodilarum 106, 10 



cuprius 112, 31 



dilatatus 112, 30, 31 



gibbosus Ill, 22. 42 



liebmanni 106, 11, 14, 15 



cuatotolapamensis. . . . 



106, 13, 14 



niger 112, 28 



plexus... 106, 8, 9, 10, 13, 15 



crocodilarum 



106, 10, 11, 12 



distinctus. . .106. 10, 11, 12 



popeii 106, 7 



productus 112, 30. 31 



pusillus 112, 31 



rafinesquei 112. 31 



ravistella 106, 7 



ravistellus 106, 7 



semigranosus. . . .106, 10, 12 

 sphenorhynchus 106, 14 



Epigaea repens Ill, 25 



Epigonichthys 105, 2, 3, 14 



agassizii 105, 15 



australis 105. 15 



bassanus 105, 15 



cingalensis 10 >, 15 



cultellus l(^>, 14, 15 



bectori 105, 15 



hedleyi 105, 15 



lucayanum 105, 16 



maldivensis 105, 15 



parvus 105, 15 



pnlchellus Iflo, 15 



