Pilsbry, H. A. (1895-1896).
Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 10: American Bulimi and Bulimuli.
Streptocheilus, Plekocheilus, Auris, Bulimulus. pp i-iv, 1-213, pls 1-51. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-48, Pl. 2-15, 20 Aug 1895; pp. 49-96, Pl. 16-30, 26 Nov 1895; pp. 97-144, Pl. 31-40, 13 Mar 1996; pp. 145-213, i-iv, title page, Pl. 1, Pl. 41-51, 23 Sep 1896].