. The Conchologists' exchange. Mollusks. THE NAUTILUS. 1,2. PUPILLA MUSCORUM XEROBIA PILSBRY. 3. AGRIOLIMAX GUATEMALENSIS CROSSE & FISCHER. 4. AGRIOLIMAX G. MOTAGUENSIS COCKERELL. 5. LUCIDELLA TANTILLA PILSBRY, VAR. 6-8. VITRINELLA SHIMERI Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Averell, William D. Philadelphia, Wm. D. Averell

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmollusks, bookyear188