DIY History | Transcribe | Scholarship at Iowa | Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898 | Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 74

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Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898

Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 74

[page]73.[/page]

[underlined][underlined][underlined][underlined]ARTICULATA.[/underlined][/underlined][/underlined][/underlined]

     Brachiopoda in which the valves are attached by means of a hinge as well as by muscles.

[underlined][underlined][underlined]PROTREMATA.[/underlined][/underlined][/underlined]

     Articulate Brachiopods which have the pedicle passing through a foramen which is confined to the ventral valve during the first part or all of life.

[underlined][underlined]Strophomenidae[/underlined][/underlined]

     In this family the hinge areas are well developed and the pedicle opening is partly or entirely closed by a deltidium and chilidium Berbya.
     This genus always has a medium septum on the interior of the ventral valve.

[underlined]Derbya [?craesa?][/underlined]

     Plate VI figure 1.

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[page]73.[/page] [underlined][underlined][underlined][underlined]ARTICULATA.[/underlined][/underlined][/underlined][/underlined] Brachiopoda in which the valves are attached by means of a hinge as well as by muscles. [underlined][underlined][underlined]PROTREMATA.[/underlined][/underlined][/underlined] Articulate Brachiopods which have the pedicle passing through a foramen which is confined to the ventral valve during the first part or all of life. [underlined][underlined]Strophomenidae[/underlined][/underlined] In this family the hinge areas are well developed and the pedicle opening is partly or entirely closed by a deltidium and chilidium Berbya. This genus always has a medium septum on the interior of the ventral valve. [underlined]Derbya [?craesa?][/underlined] Plate VI figure 1.