528 MICHIGAN SURVEY, 1905. 



Page. 



Inornata, Helix : 475 



Inornata, Omphalina 475 



Inornatus, Zonites 475 



Intertexta, Gastrodonta 487 



Intertexta, Helix 487 



Intertextus, Zonites 487 



Labyrinthica, Helix 506 



Labyrinthica, Strobila 506 



Labyrinthica, Strobilops 506 



Labyrinthica virgo, Strobila 506 



Leai, Strenotrema 471 



Leaii, Polygyra 471 



Ligera, Gastrodonta 488 



Ligera, Helix 488 



Ligera, Mesom/phix 488 



Ligerus, Zonites 488 



LiMAciD^ 488 



Limatula, Helix ; 485 



Limatula, Helix (Miles) .- 478 



Limatula, Pseudohyalina 485 



Limatula, Zonitoides 484 



Limatulus, Zonites 485 



Limpida, Vitrina 476 



Lineata, Helicodiscus 495 



Lineata, Helix 495 



Lineatus, Helicodiscus 495 



Lubrica, Achatina 519 



Lubrica, Helix 519 



Lubrica, Cochlicopa 519 



Lubrica morseana, Cochlicopa 519 



Marginata, Cyclostoma 508 



Marginatus, Bulimus 509 



Marginatus, Pupoides 508 



Milium, Helix 486 



Milium, Pupa '. 515 



Milium, Vertigo 515 



Milium, Zonites 486 



Milium, Zonitoides 486 



Minuscula, Helix 485 



Minuscula, Pseudohyalina 485 



Minuscula, Zonitoides . 485 



Minusculus, Zonites 485 



Minuta, Vallonia 521 



Mitchelliana, Helix 469 



Mitchelliana, Polygyra 469 



Mitchellianus, Mesodon '. 469 



Monodon, Helix (Miles) ' 471 



Monodon, Helix (Rackett) 471 



Monodon, Polygyra (Rackett) .• 471 



Monodon, Polygyra (Auct) 471 



Monodon, Strenotrema 471 



Monodon albida, Polygyra 471 



Monodon fraterna, Polygyra 471 



Monodon leaii, Polygyra 471 



MONOTREMATA 459 



Morseana, Cionella 519 



Morsei, Vertigo 516 



Multidentata, Gastrodonta 481 



Multidentata, Helix 481 



Multidentata, Vitrea 481 



Multidentatus, Zonites 481 



Multilineata, Helix 466 



Multilineata, Mesodon 466 



