Palĉozoic Fossils: Volume 1Reprint of the original, first published in 1865. Geological Survey of Canada Sir W. E. Logan, F.R.S., Director. Containing descriptions and figures of new or little known species of organic remains from the Silurian Rocks. 1861/1865. |
Contents
Section 1 | 29 |
Section 2 | 34 |
Section 3 | 43 |
Section 4 | 90 |
Section 5 | 99 |
Section 6 | 126 |
Section 7 | 139 |
Section 8 | 163 |
Section 13 | 308 |
Section 14 | 336 |
Section 15 | 337 |
Section 16 | 342 |
Section 17 | 343 |
Section 18 | 354 |
Section 19 | 358 |
Section 20 | 381 |
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Common terms and phrases
14 lines 9 lines angular Anticosti aperture apex apical angle appears axis Bathyurus beak body whorl broadly rounded Cape Norman cardinal angles Chazy cheeks Cheirurus Collector.-J conical Cow Head curved depressed convex Description Description.-Shell Dikelocephalus dorsal furrows dorsal valve edge elevated extremity foramen fossils front margin gently concave gently convex genus glabella glabellar furrows greatest width groove height hinge-line inner last whorl limestone lines in length Locality and Formation mesial mid-length moderately convex MURCHISONIA narrowly rounded nearly straight neck furrow neck segment Newfoundland obscure one-third the whole Orthis ORTHOCERAS outer ovate Point Lévis Point Rich Port aux Choix posterior margin Potsdam pygidium Quebec group radiating ribs Richardson septa shell side lobes side view Silurian siphuncle slightly slope smooth species specimen spire stolons strongly convex STROPHOMENA suture Table Head transverse trilobites umbilicus umbo umbones upper side ventral margin ventral valve ventricose whole length whole width