. Bulletin - United States National Museum. Science. FiG. 77.—Nematopoea ovalis. a, zoaeium, natxteal size, of the foem described by Uleich as Nema- TOPOEA QTJADEATA; 6, PORTION OF THE SAME, X18; C, VERTICAL SECTI0N,X18; ^.TRANSVERSE SECTION, X50. Lower part of the Trenton limestone, Trenton Falls, New York, e, fragment of Nematopoea ovalis, natural size, and x18, with five rows of zocecia;/, another fragment, natural size and X18, WITH only four rows. Lower part of the Teenton, Cannon Falls, Minne- sota. (After Uleich.) tlier research on his part proved their identity with N. ovalis. Rus- sia
. Bulletin - United States National Museum. Science. FiG. 77.—Nematopoea ovalis. a, zoaeium, natxteal size, of the foem described by Uleich as Nema- TOPOEA QTJADEATA; 6, PORTION OF THE SAME, X18; C, VERTICAL SECTI0N,X18; ^.TRANSVERSE SECTION, X50. Lower part of the Trenton limestone, Trenton Falls, New York, e, fragment of Nematopoea ovalis, natural size, and x18, with five rows of zocecia;/, another fragment, natural size and X18, WITH only four rows. Lower part of the Teenton, Cannon Falls, Minne- sota. (After Uleich.) tlier research on his part proved their identity with N. ovalis. Rus- sian specimens have been found so far only in the Kuckers shale (C2), Baron Toll's estate, Esthonia (Cat. No. 57251, ). Represented in the col- ^ lections of the British Museum by a specimen from the Kuckers shale. Baron Toll's estate. NEMATOPORA FRAGILIS Ulrich. Text fig. 78. NematoforafragilisV'LUicu, Geol. Surv. Illinois, vol. 8, 1890, p. 646, pi. 29, figs. 10-lOc. V'. FRAGMENT, NATURAL Fig. 78.—Nematopoea feagilis. SIZE, showing mode of branching; &, portion OF the same, x18; c, teansveese section, xso; d, veetical sec- tion, x18. gleaedeau limestone, richmond group, Alexander County, Illinois. (After Uleich.) Zoarium of very slen- der, dichotomously divid- ing branches about mm. in diameter, with the zooecia arranged in six longitudinal ranges not separated by a ridge. Seven zooecia in 4 mm., measuring lengthwise. Apertures ovate, channeled posteriorly with a faint. 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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