"London: Printed by William Clowes"--Verso of t.p. Number of plates apparently vary in different copies; list of plates, p. x-xii. Some of the plates are hand-colored. Also available online. Elecresource SCNHRB has two copies. SCNHRB c. 1 (39088016456089) has bookplate: William Healey Dall, Division of Mollusks Sectional Library. Stamped on preliminary leaves: Division of Mollusks Sectional Library. SCNHRB c. 1 stamped on verso of t.p.: Office Library Smithonian Library no. [in ms.] 9933. SCNHRB c. 1 bound in brown library buckram, title in gilt on spine. SCNHRB c. 2 (39088016456121) has plate no. 9, not found in all copies, bound in as frontispiece. SCNHRB c. 2 has booklabel: Library of Congress, Smithsonian Deposit. SCNHRB c. 2 stamped on verso of t.p.: Smithsonian Institution National Museum Mar 15 1902 [ms. acc. no.] 170994. SCNHRB c. 2 half bound in sheepskin and marbled paper boards, title in gilt on spine.