Contributions to the geology and paleontology of the canal by Thomas Wayland Vaughan, United States National Museum

By Thomas Wayland Vaughan, United States National Museum

Writer: Washington : executive. Print. Off. e-book date: 1919 matters: Paleontology Paleontology Paleontology Notes: this can be an OCR reprint. there is quite a few typos or lacking textual content. There are not any illustrations or indexes. in the event you purchase the final Books version of this booklet you get loose trial entry to Million-Books.com the place you could choose between greater than 1000000 books at no cost. you can even preview the publication there.

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Extra resources for Contributions to the geology and paleontology of the canal zone, Panama

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I^eri- thallic cells, a Plate 4. ArchaeoUthothaninium cpisporum M. A. Howe. A Pleistocene fossil, " from flats near Mount Hope, five feet above tide level," D. F. MacDonald 6039, 1911, natural size. Plate 5. ArchaeolithoHiariiniiim episponuii M. A. Figs. 1 Fig. 1. 2. Figs. 3 Fig. 3. 4. and 2. Howe. , enlarged surface, showing the more or Howe 6832). less confluent sporangial 4 diameters. of the same surface, showing the sporangial ostioles, 25 diameters. 4. Photographs of Pleistocene specimen from Mount Hope (MacDonald, Cat.

And 2. Howe. , enlarged surface, showing the more or Howe 6832). less confluent sporangial 4 diameters. of the same surface, showing the sporangial ostioles, 25 diameters. 4. Photographs of Pleistocene specimen from Mount Hope (MacDonald, Cat. No. ) and Radiovertical section showing several superposed crusts and three welldeveloped hypothallia, enlarged 42 diameters. A part of a cross section of one of the excrescences or branches, showing a single weakly developed hypothallium, enlarged 42 diameters.

UNITED STATES NATIONAL MUSEUM. the marine faunas and the terrestrial faunas and floras. The floral evidence as previously stated is inconclusive. I should not, however, be inclined to consider any of the fossil plants, except one Eocene species, described in the present report as younger than Burdigalian nor older than Sannoisian (Lattorfian). GEOLOGY AND PALEONTOLOGY OF THE CANAL ZONE. material could have gotten together a much more 19 representative col- lection. The plants collected include ill-defined fragments of one fern, two undertermined species of palm, represented by fragments of foliage, and a third represented by petrified stems, and 16 dicotyledons, of which two are represented by fruits and the balance by leaves.

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