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III.—Thesaurus Siluricus — The Fauna, and Flora of the Silurian Period. By John Bigsby, M.D., F.G.S. 4to. pp. 268. London, 1868. Van Voorst.
Published online by Cambridge University Press: 01 May 2009
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References
page 521 note 1 Siluria. Hist, of the older Rocks in the British Isles. 1867. 4th Edition.Google Scholar
page 521 note 2 Barrande.
page 521 note 3 Systême Silurian du centre de la Bohême, Vols. for 1865–6–7–8 Cephalopoda and Pteropoda. Par Joachim Barrande.Google Scholar
page 521 note 4 Systême Silurian du centre de la Bohême, Vols. 1, 2, Crustacéa Trilobite. Par Joachim Barrande, Geological Survey of New York, Palæontology. 6 Vols. quarto.Google Scholar
page 524 note 1 These are—1. Universality.
page 524 note 2 Locality.
page 524 note 3 First appearance.
page 524 note 4 Duration, longevity, and extinction.
page 524 note 5 Migration.
page 524 note 6 Recurrence.
page 524 note 7 Divergence.
page 526 note 1 In fact, they represent “outliers,” or remnants of old Pre-Silurian faunæ, not entirely swept away by the stronger influx of Silurian life.