Pilsbry, H. A. (1904-1905). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 17: African Achatinidae. pp i-v, 1-232, pls 1-65. Philadelphia, published by the Conchological Department, Academy of Natural Sciences. [pp. 1-64, pls. 1-10, Sept. 23, 1904; pp. 65-112, pls. 11-23, Nov. 26, 1904; pp. 113-208, pls. 24-43, Mar. 1, 1905; pp. 209-232, i-xviii, figs. 1-6, 1-9, pls. 44-65, Jun. 1905].
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Pilsbry, H. A.
1904-1905
<i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 17: African Achatinidae. pp i-v, 1-232, pls 1-65. Philadelphia, published by the Conchological Department, Academy of Natural Sciences. [pp. 1-64, pls. 1-10, Sept. 23, 1904; pp. 65-112, pls. 11-23, Nov. 26, 1904; pp. 113-208, pls. 24-43, Mar. 1, 1905; pp. 209-232, i-xviii, figs. 1-6, 1-9, pls. 44-65, Jun. 1905]