MOLLUSCA OF MICHIGAN— WALKER. 529 



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Multilineata, Polygyra 4C6 



Multilineata alba, Helix 467 



Multilineata alba, Polygyra 467 



Multilineata rubra, Helix 467 



Multilineata rubra, Polygyra 467 



Multilineata unicolor, Helix 467 



Multilineata unicolor, Polygyra 467 



Multilineatus, Mesodon 466 



Muscorum, Pupa 514 



Muscorum, Pupilla 513 



Muscorum, Turbo 514 



Muscorum bigranata, Pupilla 514 



Muscorum unidentata, Pupilla 514 



Nitida, Helix 483 



Nitida, Hyalina 483 



Nitida, Zonitoides 483 



Nitidus, Zonites 483 



Obliqua, Succinea 502 



Omphalina 474 



Orthurethra 503 



Ovalis, Succinea (Auct.) 500 



Ovalis, Succinea Say 502 



Ovalis decampii, Succinea 501 



Ovalis peoriensis, Succinea 501 



Ovata, Pupa 516 



Ovata, Vertigo 516 



Palliata, Helix 467 



Palliata, Polygyra 467 



Palliata, Triodopsis 467 



Palliata, Xolotrema 467 



Palliata alba, Polygyra 624 



Pallifera 498 



Parallelus, Helicodiscus 495 



Parallelus, Planorbis 495 



Paravitrea 480 



Patula 491 



Pennsylvanica, Helix 468 



Pennsylvanica, Polygyra 468 



Pennsylvanicus, Mesodon 468 



Pentodon, Bifidaria 511 



Pentodon, Pupa (Binney) 51 1 



Pentodon, Pupa 513 



Pentodon, Pupilla 513 



Pentodon, Vertigo 511 



Peonensis, Succinea 500 



Peoriensis, Succinea 500 



Perspectiva, Helix 493 



Perspectiva, Patula 493 



Perspectiva, Pyramidula 493 



Philomycid^ 496 



Philomycus 497 



Planogyra 494 



Polygyra 460 



polygyrin.e 459 



Privatula 51 1 



Profunda, Helix 463 



Profunda, Polygyra 463 



Profunda, Ulostoma 464 



Profunda alba, Polygyra 464 



Profundus, Mesodon 463 



PSEUDOHYALINA 484 



Pulchella, Helix 521 



