Heralds of Geology Heralds of Science - seminal works in the Earth Sciences from the Burndy Library. Études sur les glaciers En commission chez Jent et Gassmann, libraires 1840 Études sur les glaciers text v. Agassiz, Louis En commission chez Jent et Gassmann, libraires 1840 Histoire des végétaux fossiles, ou, Recherches botaniques et géologiques sur les végétaux renfermés dans les diverses couches du globe t 1 Brongniart, Adolphe; Thierry frères (Firm),; Imprimerie de Fain,; E.J. Bailly (Firm), Chez G. Dufour et Ed. d'Ocagne ... 1828-1837 95. Paleobotany Histoire des végétaux fossiles, ou, Recherches botaniques et géologiques sur les végétaux renfermés dans les diverses couches du globe t 2 Brongniart, Adolphe; Thierry frères (Firm),; Imprimerie de Fain,; E.J. Bailly (Firm), Chez G. Dufour et Ed. d'Ocagne ... 1828-1837 95. Paleobotany The Silurian system, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Murchison, Roderick Impey, Sir; Day & Haghe, John Murray, Albemarle Street 1839. The Silurian system, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford v.1 (1839) Murchison, Roderick Impey, Sir; Day & Haghe, John Murray, Albemarle Street 1839 97. Silurian and Devonian The Silurian system, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford v.2 (1839) Murchison, Roderick Impey, Sir; Day & Haghe, John Murray, Albemarle Street 1839 97. Silurian and Devonian The Silurian system, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford v.3 (1839) Murchison, Roderick Impey, Sir; Day & Haghe, John Murray, Albemarle Street 1839 97. Silurian and Devonian