. Bulletins of American paleontology. Alaskan ammonites, Pt. II: Westermann 141 60 50 40 E 20 - cylindroides 80%W /TO'ltW 60%* '/. // 7 A y. 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 Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]

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