. The Canadian naturalist and geologist. Natural history -- Periodicals. Fossils of the Hamilton Group. 475 Generic name from the Greek a, without, and trupa, a perfora- tion; prisca^ old, Fig. 12. Orthonota undulata. Fig. 12. Orthonota undulata. Professor Hall says this fossil is more common in the eastern part of the State of New York than in the western. It may yet be found in Canada, and therefore we publish it here. OrtJionota^ from the Greek orthos^ straight, and notatus, Please note that these images are extracted from scanned page images that may have been digitally

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. The Canadian naturalist and geologist. Natural history -- Periodicals. Fossils of the Hamilton Group. 475 Generic name from the Greek a, without, and trupa, a perfora- tion; prisca^ old, Fig. 12. Orthonota undulata. Fig. 12. Orthonota undulata. Professor Hall says this fossil is more common in the eastern part of the State of New York than in the western. It may yet be found in Canada, and therefore we publish it here. OrtJionota^ from the Greek orthos^ straight, and notatus, 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 Natural History Society of Montreal. Montreal, Dawson

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