. Bulletin - United States National Museum. Science. 188 BULLETIN 77, UNITED STATES NATIONAL MUSEUM. The distribution of the diaphragms and cystiphragms is sufficiently illustrated in the accompanying Fig. 99.—HoMOTBiTA subramosa. o, fragment of a zoarium, natural size; 6, sxirface of an ordinary FRAGMENT, X9, SHOWING THE CYSTIPHRAGMS IN THE ZOCECIAL APERTURES; C, A TANGENTIAL SECTION, Xl8, "WITH ACANTHOPORES "VTOLL DEVELOPED; d, TANGENTIAL SECTION, Xl8, "WITH ACANTHOPORES LESS CONSPICU- OUS; e, "VnERTICAL SECTION OF A TYPICAL EXAMPLE, X18. PHYLLOPOEINA BED OF BLA
. Bulletin - United States National Museum. Science. 188 BULLETIN 77, UNITED STATES NATIONAL MUSEUM. The distribution of the diaphragms and cystiphragms is sufficiently illustrated in the accompanying Fig. 99.—HoMOTBiTA subramosa. o, fragment of a zoarium, natural size; 6, sxirface of an ordinary FRAGMENT, X9, SHOWING THE CYSTIPHRAGMS IN THE ZOCECIAL APERTURES; C, A TANGENTIAL SECTION, Xl8, "WITH ACANTHOPORES "VTOLL DEVELOPED; d, TANGENTIAL SECTION, Xl8, "WITH ACANTHOPORES LESS CONSPICU- OUS; e, "VnERTICAL SECTION OF A TYPICAL EXAMPLE, X18. PHYLLOPOEINA BED OF BLACK RiVEE (DECORAH) SHALES, St. Paul, and near Cannon Falls, Minnesota. (After Ulrich.) The Kuckers examples differ from the typical H. subramosa in that the zoarium is somewhat smaller, the walls are thinner, the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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