. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. Scientific expeditions; Natural history; Geology; Paleontology; Petrology; Ice. REPORT ON MOLLUSCA 87 Trophon priestleyi, sp. nov. (Fig. 2) Shell small, very solid, narrowly fusiform. Whorls five, including a smooth pointed protoconch of a whorl and a half, suture marked by a narrow groove. Sculpture : there are two prominent keels on the periphery, another much smaller just above the sutural groove, and another small one on the shoulder ; these reach the outer edg
. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. Scientific expeditions; Natural history; Geology; Paleontology; Petrology; Ice. REPORT ON MOLLUSCA 87 Trophon priestleyi, sp. nov. (Fig. 2) Shell small, very solid, narrowly fusiform. Whorls five, including a smooth pointed protoconch of a whorl and a half, suture marked by a narrow groove. Sculpture : there are two prominent keels on the periphery, another much smaller just above the sutural groove, and another small one on the shoulder ; these reach the outer edge of the lip. On the base of the last whorl are three more spirals, succes-. 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 Shackleton, Ernest Henry, Sir, 1874-1922. London : Published for the expedition by W. Heinemann
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Keywords: ., boo, bookcentury1900, booksubjectgeology, booksubjectpaleontology
