Note on Oreohelix idahoensis baileyi Bartsch

http://deepblue.lib.umich.edu/bitstream/2027.42/56518/1/OP079.pd

An annotated list of shells from northern Michigan

http://deepblue.lib.umich.edu/bitstream/2027.42/56481/1/OP042.pd

The varieties of Planorbis campanulatus Say

http://deepblue.lib.umich.edu/bitstream/2027.42/56619/1/OP180.pd

Notes on the internal lamellae of Carychium

http://deepblue.lib.umich.edu/bitstream/2027.42/56567/1/OP128.pd

Pleurobema clava (Lam.) and Planorbis dilatatus buchanensis (Lea) in Michigan

http://deepblue.lib.umich.edu/bitstream/2027.42/56490/1/OP051.pd

Two new freshwater snails from Michigan

http://deepblue.lib.umich.edu/bitstream/2027.42/56584/1/OP145.pd

Shells from Alcona, Oscoda and Crawford counties, Michigan

http://deepblue.lib.umich.edu/bitstream/2027.42/56541/1/OP102.pd

A revised check list of Michigan Mollusca

http://deepblue.lib.umich.edu/bitstream/2027.42/56620/1/OP181.pd

Mollusca of North Dakota

http://deepblue.lib.umich.edu/bitstream/2027.42/56537/1/OP098.pd

Mollusca of Pisgah Forest, North Carolina

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