Report of the Geological exploration of the fortieth parallel (1877) (14750943782)

Identifier: reportofgeolog4121877unit (find matches)

Title: Report of the Geological exploration of the fortieth parallel

Year: 1870 (1870s)

Authors: United States Geological Exploration of the Fortieth Parallel (1867-1881) King, Clarence, 1842-1901 Hague, A. (Arnold), 1840-1917 Emmons, Samuel Franklin, 1841-1911 Hague, James D. (James Duncan), 1836-1908 Meek, F. B. (Fielding Bradford), 1817-1876 Hall, James, 1811-1898 Whitfield, Robert Parr, 1828-1910 Ridgway, Robert, 1850-1929 Watson, Sereno, 1826-1892 Eaton, Daniel Cady, 1834-1895 Bien, Julius, 1826-1909

Subjects: Geology Mines and mineral resources Paleontology Botany Birds

Publisher: (Washington : Govt. Print. Off.)

Contributing Library: Smithsonian Institution Libraries

Digitizing Sponsor: Biodiversity Heritage Library

Text Appearing Before Image:

view of a large specimen accidentally compressed. 3 a. Ventral view of same. 3 h. Dorsal view of same. Fig. 4. Athyris? persinuata 81 4. An antero-ventral view, showing the profound sinus of the front. 4 a. A dorsal view of same; a part of the shell being removed so as to show the muscular scars. 4 1). Side view of same, with beak and contiguous parts broken away. Fig. 5. GONIATITES GONIOLOBUS 98 5. A profile view of an internal cast, with the body-chamber broken away. 5 a. Side view of same. 5 6. Diagram of lobes and sinuses of one of the septa, natural size. Fig. 6. Spirifer OPiMus?. A ventral view 88 Fig. 7. AVICULOPECTEN Utahensis 95 7. A left ? valve, natural size. 7 a. A portion of the surface of same, magnified to show the minute, crowded, concentric strisB.7 6. A mould of a larger individual in the rock.7 c. A mould of a small right valve of apparently the same.7 d. A cast of another specimen of same, differing a little in form. LIS GroIZttjI.40Parallel Carboraferous Plate K.

Text Appearing After Image:

H■^•^Ellicr. J.Bieri Jita Page.Fig. 1. MoDIOMOIiPriA ? OVATA 103 1. Eight valve; tbe specimen being a cast of the outside.la. A profile to show the convexity of same. Fig. 2. MoDiOMOEPHA? LATA. An external cast of a left valvc 103 Fig. 3. DisciNA (undt. sp.) 98 3. Under valve. 3 a. Same, enlarged two diameters, and showing more nearly the proper proportions. Fig. 4. Spii^ra Whitneyi , 102 4. A left valve of a small specimen. 4 a. An outline to show the convexity of same.4 &. A right valve of a larger specimen, 4 c. A large individual apparently of the same species, Fig. 5. Halobia Lomivieli. A slab of rock, with several imperfect valves, all being casts of the exterior 100 Fig. 6. Arcestes Gabbi „.. , 121 (). A cast of the interior, side view.6 a. Profile view of same. 6 i. An outline showing the lobes and sinuses of one of the septa from the umbilicus to the siphonal lobe; taken from Mr. Gabbs figure in the California GeologicalReport. Fig. 7. Clidonites l^^vidorsatus 109 7

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1877

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