. Annual report. New York State Museum; Science; Science. 420 NEW YORK STATE MUSEUM Climacograptus putillus (Hall) mut. eximius nov. Plate 28, figure 16 Cf. Diplograptus putillus Lapworth. Roy. Soc. Can. Proc. & Trans. 1886. 4:170, 178ft' Diplograptus aft", putillus Ruedemann. N. Y. State Mus. Bui. 42. 1901. The typical putillus has in the shales of New York State been found only in the Utica and Lorraine horizons. In the shale near the power house at Lansingburg, the writer has found a mutation of C. putillus occurring in great numbers associated with Normanskill forms ; and al
. Annual report. New York State Museum; Science; Science. 420 NEW YORK STATE MUSEUM Climacograptus putillus (Hall) mut. eximius nov. Plate 28, figure 16 Cf. Diplograptus putillus Lapworth. Roy. Soc. Can. Proc. & Trans. 1886. 4:170, 178ft' Diplograptus aft", putillus Ruedemann. N. Y. State Mus. Bui. 42. 1901. The typical putillus has in the shales of New York State been found only in the Utica and Lorraine horizons. In the shale near the power house at Lansingburg, the writer has found a mutation of C. putillus occurring in great numbers associated with Normanskill forms ; and also the Normanskill shale near Glenmont, Albany co., has afforded a few specimens. This mutation is distinctly narrower (its width only .7-1 mm), of somewhat greater length (10 mm, average 8 mm) and has especially a closer arrangement of the thecae (16-18 thecae in 10 mm or 40-45 in 1 inch). The form of the thecae is. 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. Albany : University of the State of New York
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