Smithsonian miscellaneous collections . ^ATINIA PliRTEXA, Walcott SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 64, NUMBER 3 CAMBRIANGEOLOGY AND PALEONTOLOGY III No. TRILOBITES (With Plates 24 to 38) BY CHARLES D. WALCOTT. (Publication 2370) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION JANUARY 14, 1916 ZU BoTi (§&Uimoxe (prce BALTIMORE, MD., U. S A. CAMBRIAN GEOLOGY AND PALEONTOLOGYIII No. 3.—CAMBRIAN TRILOBITES By CHARLES D. WALCOTT (With Plates 24 to 38) CONTENTS PAGE Introduction 160 Change in stratigraphic position 161 Descriptions of genera and species 161 Order
Smithsonian miscellaneous collections . ^ATINIA PliRTEXA, Walcott SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 64, NUMBER 3 CAMBRIANGEOLOGY AND PALEONTOLOGY III No. TRILOBITES (With Plates 24 to 38) BY CHARLES D. WALCOTT. (Publication 2370) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION JANUARY 14, 1916 ZU BoTi (§&Uimoxe (prce BALTIMORE, MD., U. S A. CAMBRIAN GEOLOGY AND PALEONTOLOGYIII No. 3.—CAMBRIAN TRILOBITES By CHARLES D. WALCOTT (With Plates 24 to 38) CONTENTS PAGE Introduction 160 Change in stratigraphic position 161 Descriptions of genera and species 161 Order Proparia Beecher 161 Family Menomonidae, new family 161 Menomonia, new genus 161 Menomonia calymenoides (Whitfield) (pi. 26, figs. 4, ^a-d). 162 Millardia, new genus 163 Millardia avitas, new species (pi. 28, figs. 5, 5a-c) 165 Millardia optata (Hall) (pi. 28, figs. 4, 4a-/) 165 Millardia seniele, new species (pi. 28, figs. 3, 3a-c) 166 Drcsbachia, new genus 166 Drcsbachia adnata, new species (pi. 26, figs. 5, 5a-c) 167 Norwoodidae, new family 168 Norwoodia, new genus 168 Norwoodia gracilis, new species (pi. 27, figs. 2, 2a-g) 169 Norwoodia ponderosa, new species (pi. 28, figs, i, la-b) 171 Norwoodia saffordi, new sp
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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience
