A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey (1889) (20185677883)

Title: A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ..
Identifier: CUbiodiversity600397-9082 (find matches)
Year: 1889 (1880s)
Authors: Lesley, J. P. (J. Peter), 1819-1903; Pennsylvania. Board of Commissioners for the Second Geological Survey
Subjects: Paleontology
Publisher: Harrisburg, Board of Commissioners for the Geological Survey
Contributing Library: Cornell University Library
Digitizing Sponsor: Mann Library, Cornell

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491 Olen. ment of the rock masses; plate 20, fig. 1, smallest specimen of head collected. Note the distance of the eyes from the central head piece (glabella) ; 1 a^ larger specimen, eyes close to glabella, cheek points extended ; 1 5, eyes united to glabella by ridges; 1 /', extreme projection of cheek points. Olenellus thompsoni. Hall, (1862, 15th An. Et. p. 114. M.C,
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