of
Science and Arts,' vol. xi. Marsh.
(45) 'Principal Characters of the Brontotheridae' (Ibid.) Marsh.
(46) 'Principal Characters of the Tillodontia' (Ibid.) Marsh.
(47) "Extinct Vertebrata of the Eocene of Wyoming"--'Geological
Survey of Montana,' &c., 1872. Cope.
(48) "Ancient Fauna of Nebraska"--'Smithsonian Contributions to
Knowledge,' vol. vi. Leidy.
(49) 'Manual of Geology.' Dana.
(50) "Palaeontology and Evolution" (Presidential Address to the
Geological Society of London, 1870)--'Quart. Journ. Geol.
Soc.,' vol. xxvi. Huxley.'
(51) 'Mineral Conchology.' Sowerby.
(52) 'Description des Coquilles Fossiles,' &c. Deshayes.
(53) 'Description des Coquilles Tertiaires de Belgique.' Nyst.
(54) 'Fossilen Polypen des Wiener Tertiaer-beckens.' Reuss.
(55) 'Palaeontologische Studien ueber die aelteren Tertiaer-schichten
der Alpen.' Reuss.
(56) 'Land und Suess-wasser Conchylien der Vorwelt.' Sandberger.
(57) 'Flora Tertiaria Helvetica.' Heer.
(58) 'Flora Fossilis Arctica.' Heer.
(59) 'Recherches sur le Climat et la Vegetation du Pays
Tertiaire.' Heer.
(60) 'Fossil Flora of Great Britain.' Lindley and Hutton.
(61) 'Fossil Fruits and Seeds of the London Clay.' Bowerbank.
(62) "Tertiary Leaf-beds of the Isle of Mull"--'Quart. Journ.
Geol. Soc.,' vol. vii. Edward Forbes.
(63) 'The Geology of England and Wales.
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