Notes on American Land Shells and Other Miscellaneous Conchological Contributions...v.2, Pt. 1-3: pt. 1. On the anatomy and lingual dentition of Ariolimax and other Pulmonata. 1874. pt. 2. On the genitalia and lingual dentition of Pulmonata. 1874. pt. 3. On the jaw and lingual membrane of North American terrestrial Pulmonata. 1875