. Bulletin - New York State Museum. Science. Fig. 45 Fig. 46 Fig. 47 _ Fig. 45 Cyrtactinoceras boycii Whitf. (sp.) Section of fragment, showing part of living chamber. Valcour Island. Natural size. _ Fig. 46 Cyrtactinoceras boycii Whitf. (sp.) Longitudinal section of frag- ment showing siphuncle. x% ^ . „ Fig. 47 Cyrtactinoceras boycii Whitf. (.sp.) Transverse section. -Xxo Champlain. I have found another specimen from the same horizon in the Perkins collection of Isle La Motte fossils in Burlington University; and one from the dove-colored limestone of Valcour island is figured here. I have a

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. Bulletin - New York State Museum. Science. Fig. 45 Fig. 46 Fig. 47 _ Fig. 45 Cyrtactinoceras boycii Whitf. (sp.) Section of fragment, showing part of living chamber. Valcour Island. Natural size. _ Fig. 46 Cyrtactinoceras boycii Whitf. (sp.) Longitudinal section of frag- ment showing siphuncle. x% ^ . „ Fig. 47 Cyrtactinoceras boycii Whitf. (.sp.) Transverse section. -Xxo Champlain. I have found another specimen from the same horizon in the Perkins collection of Isle La Motte fossils in Burlington University; and one from the dove-colored limestone of Valcour island is figured here. I have also collected three specimens in the Strephochetus beds of B^ and of C^ at Chazy 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 New York State Museum; New York State Museum. Albany : New York State Education Dept

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887