BlBUOORAPHV 



new Californian Vertigo. Vol. 21, No. S, p. 90, 1907. 

 omc notes on the locomotive disk of Stylommatophora. Vol. 22, 

 No. 6, p. 49, 1908. 

 Descriptions of two new American Pupidae. Vol. 22, No. 10, p. 

 107, 1909. 



Bijidaria bilamellata Sterki & Clapp, n. sp. Vol. 22, No. 12, p. 

 126, 1909. 



Sphaeriam pilsbryanum n. sp. Vol. 22, No. 12, p. 141, 1909. 

 Some observations and notes on Musculium. Vol. 23, No. 2, p. 

 17, 1909. 



Pisidium marci n. sp. Vol. 23, No. 3, p. 42, 1909. 

 Bijidaria armifera Say, and its varieties. Vol. 23, No. 4, p. 52, 

 1909. 



Description of two new species of Musculium. Vol. 23, No. 5, p. 

 66, 1909. 



New species of Sphaeriidae. Vol. 23, No. 11, p. 142, 1910. 

 A new species of Musculium. Vol. 24, No. 1, p. 3, 1910. 

 Common or vernacular names for mussels. Vol. 24, No. 2, p. 15, 

 1910. 



Notes on some land snails from Kentucky. Vol. 24, No. 8, p. 90, 

 1910. 



Civilization and snails. Vol. 24, No. 9, p. 98, 1911. 

 The cardinal teeth of Pisidium. Vol. 25, No. 1, p. 1, 1911. 

 New Pisidia from Alabama. Vol. 25, No. 1, p. 2, 1911. 

 Locomotive disk of Stylommatophora. Vol. 25, No. 6, p. 62, 1911. 

 A few suggestions. Vol. 25, No. 8, p. 92, 1911. 

 Musculium declive n. sp. Vol. 25, No. 9, p. 103, 1912. 

 Drift shells from Texas. Vol. 25, No. 10, p. 115, 1912. 

 Sphaeriidae, old and new. Vol. 26, No. 1, p. 6, 1912. 

 Sphaeriidae, old and new. Vol. 26, No. 8, p. 95, 1912. 

 Fresh water mollusca living out of the water. Vol. 26, No. 6, p. 

 64, 1912. 



Sphaeriidae, old and new. Vol. 26, No. 10, p. 117, 1913. 

 Sphaeriidae, old and new. Vol. 26, No. 12, p. 136, 1913. 

 Description of a new Bijidaria. Vol. 29, No. 9, p. 105, 1916. 

 Mollusks of Geneva, Ohio. Vol. 29, No. 1 1, p. 121, 1916. 

 Note on Bijidaria minuta Sterki. Vol. 30, No. 7, p. 84, 1916. 

 Some notes on Philomycus. Vol. 33, No. 3, p. 80, 1920. 



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