Note 403 — Chapter XV · CLASS GASTEROPODA (continued): OPISTHOBRANCHIATA AND PULMONATA
Reading edition
J. Power, Ann. Mag. N. H. (2) xx. p. 334; P. Z. S. 1836, p. 113; Arch. Zool. Exp. Gén. (3) i. 1893, p. 105.
Reading edition
J. Power, Ann. Mag. N. H. (2) xx. p. 334; P. Z. S. 1836, p. 113; Arch. Zool. Exp. Gén. (3) i. 1893, p. 105.