. Smithsonian miscellaneous collections . 1. Eiffella globosa Walcott 2. Chancelloria eros Walcott 6MITHS0NIAN MISCELLANEOUS COLLECTIONS VOL. 67, NO. 8, PL. 87 I /T^s. 1. Chancelloria libo Walcott 2. Chancelloria drusilla Walcott 3. Chancelloria yorkensis Walcott 4. Takakkawia lineata Walcott NO. 6 MIDDLE CAMBRIAN SPONGIAE 361 DESCRIPTION OF PLATE 87 PAGE Chancelloria libo Walcott 332 Figs, i, la. (X3-) Partially eroded spicules on surface of S. National Museum, Catalogue No. locality 89, Upper Cambrian: Conasauga formation; lime-*stone in Murphrees Valley, Blount Count
. Smithsonian miscellaneous collections . 1. Eiffella globosa Walcott 2. Chancelloria eros Walcott 6MITHS0NIAN MISCELLANEOUS COLLECTIONS VOL. 67, NO. 8, PL. 87 I /T^s. 1. Chancelloria libo Walcott 2. Chancelloria drusilla Walcott 3. Chancelloria yorkensis Walcott 4. Takakkawia lineata Walcott NO. 6 MIDDLE CAMBRIAN SPONGIAE 361 DESCRIPTION OF PLATE 87 PAGE Chancelloria libo Walcott 332 Figs, i, la. (X3-) Partially eroded spicules on surface of S. National Museum, Catalogue No. locality 89, Upper Cambrian: Conasauga formation; lime-*stone in Murphrees Valley, Blount County, Alabama. Chancelloria drusilla Walcott 331 Figs. 2, 20. (X3-) Cast of a seven-rayed spicule in siliceous nodule;the round cavity at the base of each transverse ray is repre-sented by a minute ball attached to the cast just outside themargin of the central disk. U. S. National Museum, Cata-logue No. (X 3-) Cast in siliceous nodule of a spicule showing the largeaxial ray and two of the transverse rays, the effect beingthat of a section of an umbrella. U. S. National Museum,Catalogue No. (X3-) Cast of a spicule showing the central disk and s
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience
