Proceedings of the Annual Meeting of the Indiana Academy of Science Volume 28

Proceedings of the Annual Meeting of the Indiana Academy of Science Volume 28

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...than the low one, yielding the forms named below, and is consequently correla with the Paint Creek formation of Weller in Illinois. The uncertai recorded as to species in some cases is to be understood as indica more or less difference from described forms; some of these majj new species, while others may deserve to be classed merely as varia marking less than specific divergence. The fauna as made out s Crinoid stems, locally abundant, some of large size. Pentremites numerous, larger than in the lowest limestone. Archimedes, not numerous, but somewhat more abundant than ir lowest limestone. Pygidia of trilobites. Phillipsia?. Chonetes chesterensis, Weller. Cliothyridina sublamellosa (Hall). Composita sulcata, Weller. Diaphragmus elegans (Norwood and Pratten). Eumetria verneuiliana (Hall). Girtyella (cf.) indianensis (Girty). Martinia (cf.) sulcata, Weller. Orthothetes kaskaskiensis (McChesney). Productus (cf.) ovstus, Hall. Pustula sp?. Spirifer sp?. The upper of the three limestones here referred to is found in i places within the areas examined seventy to eighty feet higher st graphically than the middle limestone, and on the basis of the f collected and the relations observed is correlated with the lower C as defined by Weller from studies in Illinois. The fauna collected s! the following forms: Gastropods sp?, a few. Cup corals sp?, many partly silicified in places. Bryozoans including abundant Archimedes. Crinoids numerous; mostly in f ragmental state including wing p of Pterotocrinus sp?. Pentremites abundant; some large forms. follows: Gastropods sp?. Cup corals (Zaphrentis?). Okaw Limestone. Trilobites; pygidia of Phillipsia?. Camarophoria explanata (McChesney). Cliothyridina sifblamellosa (Hall). Composita sulcata, Weller....show more

Product details

  • Paperback | 104 pages
  • 189 x 246 x 6mm | 200g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236747623
  • 9781236747624