. Mollusca ... Mollusks. PLECTOPXLIS. 129 shorter horizontal lamella from the bottom ; the hinder with small re-entering supports above and below. Beneath both is a narrow free thread-like horizontal lamella. Palatal teeth 5 : 1st, 2nd, 3rd, and 5th horizontal, 4th vertical and stouter than the others ; 1st and 2nd longer than the ; (Blanford.) Major diam, 16, minor 13 mm.; alt. 4'5 mm. ffab. Burma: Prome (Fedden, Blanford, Hungerford, Feci); Thyet-Myo {Blanford). 111. Plectopylis cairusi, Qude. Plectopylis cm'rnsi, Gude, Science Gossip, u. s. v, ]898, p. 171, fig. 90 (shell and


. Mollusca ... Mollusks. PLECTOPXLIS. 129 shorter horizontal lamella from the bottom ; the hinder with small re-entering supports above and below. Beneath both is a narrow free thread-like horizontal lamella. Palatal teeth 5 : 1st, 2nd, 3rd, and 5th horizontal, 4th vertical and stouter than the others ; 1st and 2nd longer than the ; (Blanford.) Major diam, 16, minor 13 mm.; alt. 4'5 mm. ffab. Burma: Prome (Fedden, Blanford, Hungerford, Feci); Thyet-Myo {Blanford). 111. Plectopylis cairusi, Qude. Plectopylis cm'rnsi, Gude, Science Gossip, u. s. v, ]898, p. 171, fig. 90 (shell and armature). Plectopylis (s. s.) cairnsi, Gude, op. cit. vi, 1899, p. 148. Original description:—" Shell sinistrorse, discoid, solid, widely umbilicated, yellowish corneous, finely and regularly ribbed, and decussated with microscopic spiral lines. Spire depressed, apex scarcely prominent, suture distinctly impressed; whorls 6|, tumid above, rounded below, increasing slowly and regularly, the. Fig. 64.—Flectopylis cairnsi. last descending moderately in front; aperture oblique, cordate, a little inflexed at the upper outer margin. Peristome white, strongly thickened and reflexed; the margins united by a strong raised flexuous ridge on the parietal callus, notched at "the junctions above and below. Parietal wall with a strong median fold given off from the apertural ridge, revolving round about a quarter of the last whorl, but interrupted at the middle; near its posterior extremity occurs a branched fold in the form of the Greek letter X, i. e. an obliquely ascending fold, having anteriorly. 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 Blanford, William Thomas, 1832-1905; Godwin-Austen, Henry Haversham, 1834-1923; Gude, Gerard Kalshoven, 1858-; Preston, Hugh Berthon, 1871-. London, Taylor and F


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Keywords: ., bookauthorg, bookcentury1900, bookdecade1900, booksubjectmollusks