The Naturalist's Repository, Volume 1 (of 5)Note 23 — CONCHOLOGY. PLATE XXVIII. MALLEUS MACULATUS SPOTTED HAMMER SHELL, OR HOUND’S TONGUE. * Bivalve.Reading editionVar. testâ albidâ; lobo basis abbreviato. Ibid.◇Copy noteReturn to CONCHOLOGY. PLATE XXVIII. MALLEUS MACULATUS SPOTTED HAMMER SHELL, OR HOUND’S TONGUE. * Bivalve.