Smithsonian miscellaneous collections . imens represented by figs, ib, le, and if are fromMaryville limestone, (107) Bull Run Ridge, northwest of Knox-ville, Knox County, Tennessee. i^. (X 2.) Pygidium associated with this species at locality 145a. U. S. National Museum, Catalogue No. (X6.) Enlargement of surface to illustrate granulation.!*• (X3-) Broken thoracic segment, to illustrate granulation. U. S. National Museum, Catalogue No. 61662. The specimens represented by figs, ig and li are from UpperCambrian, (145a) Conasauga shale; upper part of shale beneathKnox dolomite; east of
Smithsonian miscellaneous collections . imens represented by figs, ib, le, and if are fromMaryville limestone, (107) Bull Run Ridge, northwest of Knox-ville, Knox County, Tennessee. i^. (X 2.) Pygidium associated with this species at locality 145a. U. S. National Museum, Catalogue No. (X6.) Enlargement of surface to illustrate granulation.!*• (X3-) Broken thoracic segment, to illustrate granulation. U. S. National Museum, Catalogue No. 61662. The specimens represented by figs, ig and li are from UpperCambrian, (145a) Conasauga shale; upper part of shale beneathKnox dolomite; east of Gaylesville, Cherokee County, ;. (X2.) Small pygidium weathered out on limestone. U. S. National Museum, Catalogue No, (Natural size.) Large pygidium associated with specimen represented by fig. ij. U. S. National Museum, Catalogue No. 61664. The specimens represented by figs, i; and ik are from locality 91,Upper Cambrian: Conasauga formation; Cedar Bluff, CherokeeCounty, Alabama. EELLANEOUS COLLECTION VOL. 64, CREPICEPHALUS NO. 3 CAMBRIAN TRILOBITES 245 PAGE Crepicephalus tumidus Walcott 217 Fig. 2. (Natural size.) Dorsal and side view of the type cranidiumof the species. The broken parts are restored in S. National Museum, Catalogue No. 61665. (Locality120.) Crepicephalus comus Walcott 205 Fig. 3. (X2.) Dorsal and side view of the type cranidium. U. Museum, Catalogue No. 61666. (Locality 120.)^a. (Natural size.) Pygidium. U. S. National Museum, CatalogueNo. 61667. (Locality 107.) The specimens represented by figs. 2 and 3 are from locality 120,Upper Cambrian: Maryville limestone; north of Bays Mountain,on Beaver Creek, Sevier County, 18 miles east-northeast of Knox-ville, Knox County, Tennessee. Fig. 3a is from locality 107, Upper Cambrian: Maryville lime-stone. Bull Run Ridge, northwest of PCnoxville, Knox County,Tennessee. 246 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 64 DESCRIPTION OF PLATE 32 PAGE Crepicephalus dis Walcott
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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience
