526 MICHIGAN SURVEY, 1905. 



Page. 



Calumetensis, Succinea 502 



Campestris, Agriolimax 489 



Campestris, Limax 490 



Campestris, Succinea 524 



Campestris, Succinea (Auct) 502 



Carolinensis, Limax 498 



Carolinensis, Philomycus 497 



Carolinensis, Tebennophorus 498 



Carychium 522 



Cellaria, Helix 477 



Cellaria, Vitrea 477 



Cellarius, Zonites 477 



Chersina, Conulus . 482 



Chersina, Helix * 482 



Chersinus polygyratus, Conulus 482 



Chersinus polygyratus, Euconulus 482 



CiRCiNARiA : 472 



ClRCINARIID^ 472 



Clausa, Helix • 469 



Clausa, Polygyra 469 



Clausus, Mesodon 469 



COCHLICOPA 518 



COCHLICOPID^ 518 



Concava, Circinaria 472 



Concava, Helix 472 



Concava, Macrocylis 472 



Concavus, Selenites 473 



Contracta, Bifidaria 510 



Contractu, Leucochilla 511 



Contracta, Pupa 511 



Corticaria, Bifidaria 511 



Corticaria, Leucochilla 511 



Corticaria, Odostomia 511 



Corticaria, Pupa .511 



Costata, Helix 521 



Costata, Vallonia 521 



Cronkhitei albina, Pyramidula 493 



Cronkhitei anthonyi, Pyramidula 493 



Cronkhitei catskillensis, Pyramidula 493 



Curvidens, Pupa 511 



Decampi, Succinea 501 



Decampii, Succinea .' 501 



Decora, Pupa 524 



Demissa, Gastrodonta 487 



Demissa, Helix 487 



Demissus, Zonites 487 



Dorsalis, Pallifera 498 



Dorsalis, Philomycus 498 



Dorsalis, Tebennophorus 498 



Edentula, Pupa 496 



Edentula simplex, Pupa 496 



Edentulum, Sphyradium 496 



Elasmognatha 499 



Electrina, Helix 478 



Electrina, Hyalina 478 



Elevata, Helix 468 



Elev^ata, Polygyra 468 



Elevata, Xolotrema 468 



Elevatus, Mesodon 468 



Endodontid^ 490 



Endodontin^ 490 



Euconulus 481 



Excentrica, Vallonia 521 



