. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. 180 KADIATA. No. 947. Periechocrinus moniliformis, Miller. Body, arms and stem. This beautiful Actinocrinoid is from the Upper Silurian of Dudley, England, and now in the private Geological Cabinet of Mr. Ward, Rochester. Size, 9x8. Price, $ No. 948. Periechocrinus moniliformis, Miller. Body, arms and stem ; same locality and Museum. Size, 9x7. Price, $ No. 949. Pentremites piriformis, Say. Body and column. This Blastoid has a body composed of polygon
. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. 180 KADIATA. No. 947. Periechocrinus moniliformis, Miller. Body, arms and stem. This beautiful Actinocrinoid is from the Upper Silurian of Dudley, England, and now in the private Geological Cabinet of Mr. Ward, Rochester. Size, 9x8. Price, $ No. 948. Periechocrinus moniliformis, Miller. Body, arms and stem ; same locality and Museum. Size, 9x7. Price, $ No. 949. Pentremites piriformis, Say. Body and column. This Blastoid has a body composed of polygonal plates, divided by five perforated grooves ; a short column, formed of cylindrical, perfo- rated ossicles with radiated siirfaces ; and irregular side-arms. From the Ches- ter limestone (Carboniferous), Pope Co., 111. Price, $ No. 950. Pentremites pyriformis, Say. From the Chester limestone (Carboniferous), Sequatchie Valley, Tenn. Price, $ No. 951. Pentremites cervinus, Hall. From the Chester limestone (Carboniferous), Chester, 111. Price, $ No. 852, Platycrinus regalis, Hall. The typical Platycrinus have three basal plates, and sometimes terminate upwards in a long proboscis. This head, with branching arms, is from the Burlington limestone (Carboniferous), Burlington, Iowa. Price, $ No. 953. Platycrinus Sarae, Body, arms and stem. From the St. Louis limestone (Carboniferous), St. Louis, Mo. Price, $ No. 954. Pteroconia pinnata, Agass. This beautiful Crinoid (the Comatulapinnata of Goldfuss) is a fossil of very frequent occurrence in the fine limestone strata left by the ancient Solenhofen sea. It had no stem, but the younger specimens show certain faint traces of rootlets which perhaps anchored them in their early age. The body, or central disc, is almost nul, and absorbed, as it were, by the great development of the arms. These arms, of which there are usually ten, are very long and slender, and are bordered on either side by radiating, thr
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectfossils, bookyear1866
