GEOLOGY AND PALEONTOLOGY OF CANAL ZONE


1918. Canu, Ferdinand, and Bassler, R. S., Bryozoa of the Canal Zone and related areas: Idem, p. 117-122,
 pl. 53.
 Two species from Emperador limestone [member
 of Culebra formation]. Reissued in complete
 volume, 1919.
 1918. Rathbun, M. J., Decapod crustaceans from the Panama region: Idem, p. 123-184, pls. 54-66.
 Species from Caimito [misidentified as Culebra],
 Culebra, and Gatun formations, and Pleistocene
 strata. Reissued in complete volume, 1919.
 1918. Pilsbry, H. A., Cirripedia from the Panama Canal Zone: Idem, p. 185-188, pl. 67.
 Five species from so-cllled Pliocene [Alhajuela
 sandstone member of Caimito formation], Gatun formation, and Pleistocene strata. Reissued in
 complete volume, 1919.
 1919. Vaughan, T. W., Contributions to the geology and paleontology of the Canal Zone, Panama, and geologically related areas in Central America and the West Indies: U. S. Natl. Mus. Bull. 103, 612 p., 154 pls.,
 27 figs.
 Separate parts of this volume are listed in present
 bibliography as 1918 or 1919 items.
 1919. Vaughan, T. W., Fossil corals from Central America,
 Cuba, and Porto Rico, with an account of the American Tertiary, Pleistocene, and Recent coral reefs:
 Idem, p. 189-524, pis. 68-152, figs. 4-25.
 Species front Caimito formation [misidentified as
 Culebra formation and Emperador limestone member], Culebra formation and Emperador limestone member, and La Boca marine member of Panamd formation [misidentified as Emperador limestone member of Culebra formation] are described, and
 species from Pleistocene strata are listed.
1919. MacDonald, D. F., The sedimentary formations of the
 Panama Canal Zone, with special reference to the stratigraphic relations of the fossiliferous beds:
 Idem, p. 525-545, pls. 153, 154, figs. 26, 27.
 The name "Ciagres sandstone" is proposed.
 Aside from that new name and slight changes in some age assignments, discussion of stratigraphy is essentially similar to that in MacDonald's 1915 account. Includes measured stratigraphic sections. 1919. Vaughan, T. W., The biologic character and geologic correlation of the sedimentary formations of Panama in their relation to the geologic history of Central
 America and the West Indies: Idem, p. 547-612.
 Paleontology, age, and correlation of formations
 in Canal Zone.
1919. Sears, J. D., Deposits of manganese ore near Boqueron
 River, Panama: U. S. Geol. Survey Bull. 710, p.
 85-91, figs. 1-3.
 Manganese prospects near Rio Boquer6n. Southernnost prospect is shown on plate 1 of present
 report.
1921. Berry, E. W., A palm nut from the Miocene of the Cana
 Zone: U. S. Natl. Mus. Proc., v. 59, p. 21-22, 3
 figs.
 Found in Gatun formation.
1921. Cooke, C. IV., Orthaulax, a Tertiary guide fossil: UT. S.
 Geol. Survey Prof. Paper 129, p. 23-37, pls. 2-5.
 Orthaulax gabbi is recorded from Caimito formation [not so specified] and Culebra formation.


1922. Olsson, A. A., The Miocene of northern Costa Rica::
 Bull. Am. Paleontology, v. 9, no. 39, 309 p., 32 pis.,
 Includes mollusks from Gatun formation of Canal I
 Zone and one species from Toro limestone member.
 of Chagres sandstone (Pecten macdonaldi).
 1923. Vaughan, T. W., Studies of the larger Tertiary foraminifera from tropical and subtropical America: Natl.
 Acad. Sci. Proc., v. 9, p. 253-257.
 Includes Lepidocyclina miraflorensis from a incality, apparently now submerged, evidently representing La Boca marine member of Panamd
 formation.
 1924. Hanna, G. D., Rectifications of nomenclature: Calif.
 Acad. Sci. Proc., 4th ser., v. 13, p. 151-186.
 Three new names are proposed for Canal Zone
 fossil mollusks.
 1924. National Academy of Sciences, Report of the Committee
 of the National Academy of Sciences on Panama Canal Slides: Natl. Acad. Sci. M~em., v. 18, 84 p.,
 51 pls., 19 figs.
 Appendix B on geology, by MacDonald, includes
 structure sections of part of Gaillard Cut. Appendix C is a discussion of chemical and physical properties of Cucaracha formation.
1924. Vaughan, T. W., American and European Tertiary
 larger Foraminifera: Geol. Soc. America Bull., v.
 35, p. 785-822, pls. 30-36, 6 figs.
 Includes Miogypsina cushmani, from Culebra formation, and M. panamensis from strata now referred
 to Caimito formation.
1924- Douvill6, Henri, Revision des Lcpidocyclines: Soc. G6l. 1925. France Mc6m., new ser., 956m. 2 (t. 2), 115 p., 7
 pls., 83 figs.
 Includes Lepidocyclina canellei and L. chaperi,
 and a new species from upper valley of Rio Chagres, L. decorate, which has not been recognized ir later
 collections (see Cole, 1952, [1953], p. 3).
1925. Dali, W. H., Illustrations of unfigured types of shells in
 the collections of the United States Nacional Museum: U. S. Natl. TMus. Proc., v. 66, art. 17, 41 p.,
 36 pls.
 Includes a Pliocene species (Sthenorytis toroense)
 and two Pleistocene species (Corbula macdonaldi and
 Yoldia perprotracla) described by Dall in 1912. 1925. Maury, C. J., A further contribution to the paleontology
 of Trinidad (Miocene horizons): Bull. Am. Paleontology, v. 10, no. 42, 250 p., 43 pls.
 Includes a species froin Culebra formation (Scapharca balboai) and two from Gatun formation
 (Scapharca dariensis and Clementia dariena).
1926. Hodson, Floyd, Venezuelan and Caribbean Turritellas:
 Idem, v. 11, no. 45, 50 p., 30 pls.
 Turritella altilira is illustrated.
1926. Vaughan, T. W., The stratigraphic horizon of the beds
 containing Lepidocyclina chaperi on Haut Chagres,
 Panama: Natl. Acad. Sci. Proc., v. 12, p. 519-522.
 At type locality, San Juan de Pequenc in sipper
 Chagres valley (locality 3 of present report), Lepidocyclina chaperi is associated with ipper
 Eocene species.
1926. Woodring, W. P., American Tertiary mollusks of the
 genus Clementia: U. S. Geol. Survey Prof. Paper 147,
 p. 25-47, pls. 14-17, 1 fig.


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