INDEX. 



Physa ampullacea GId. var. Columbiana Hemphill. . 27 



Polygyra Kiawaensis var. Arkansaensis Pilsbry. . . 131 



Preservation of Color in Fossil Shells 30 



Prophysaon. Why does it shed its tail ? ... 6 



PubliJations Received 23, 36, 48, 72, 107 



Pupa syugenes n. sp. 3 



Pupa Californica 8 



Pupa Dalliana sp., nov. ....... 19 



Pupidae, New Forms of American. ..... 18 



Pupidae, New United States. ...... 39 



Pupa Hemphilli sp. nov. ....... 27 



Pupa Clementina sp. nov. ...... 44 



Scalpellum Stearnsii. ....... 96 



Shell Bearing Mollusca of Rhode Island. . . 22, 35, 46, 56, 70 



Shells within City Limits. ...... 82 



Snail Eaters. 132 



Some American Cannibals. 85 



Sphserium secure Prime, Notes on . . . . . 39 



Strength of Limpets. ....... 32 



Tebennophorus Hemphilli. ...... 95 



Unionidse of Ga., Ala., S. C. and La. in South Florida. . 125 



Urosalpinx perrugatus Conr., Remarks on ... 29 



West American Notes. ....... 67 



Zonites Shimekii n. sp.. ....... 3 



