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 45

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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 45

44.
symmetrical. A large mouth opens into a gastro-intestinal sack which is either blind or is provided with other small pouches or a canal system for the conveyance of nutritive material. A definite anal opening is absent, the mouth serving for the expulsion of excreta and reproductive elements. This internal cavity also includes the sexual organs when they are present. Reproduction is either sexual or asexual, or by alternation of generation.

[underlined][underlined][underlined][underlined]ANTHOZOA or ACTINOZOA.[/underlined][/underlined][/underlined][/underlined]

     Coral polyps of circular cross section, usually sessile, mouth surrounded by tentacles, the gastric cavity divided by radiating partitions into pouches. Usually developing a calcareous skeleton.

[underlined][underlined][underlined]TETRACORALLA.[/underlined][/underlined][/underlined]

[?Anthozoa?] whose parts are arranged in

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44. symmetrical. A large mouth opens into a gastro-intestinal sack which is either blind or is provided with other small pouches or a canal system for the conveyance of nutritive material. A definite anal opening is absent, the mouth serving for the expulsion of excreta and reproductive elements. This internal cavity also includes the sexual organs when they are present. Reproduction is either sexual or asexual, or by alternation of generation. [underlined][underlined][underlined][underlined]ANTHOZOA or ACTINOZOA.[/underlined][/underlined][/underlined][/underlined] Coral polyps of circular cross section, usually sessile, mouth surrounded by tentacles, the gastric cavity divided by radiating partitions into pouches. Usually developing a calcareous skeleton. [underlined][underlined][underlined]TETRACORALLA.[/underlined][/underlined][/underlined] [?Anthozoa?] whose parts are arranged in