Darwin

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Charles Robert Darwin (1809-1882)Biblio.com

Geological Observations on South America. Being the Third Part of the Geology of the Voyage of the Beagle Under the Command of Capt. Fitzroy R. N. During the years 1832 to 1836

1846rif. MS0029bvi279 pages with frontispiece folding map 5 folding plates one folding hand-colored lithographic geological cross-section by G.B. Sowerby Junior figures and index. Lacks the 32 pages of advertisements which is often the case. Octavo 9" x 5 1/2" bound in half leather over marbled boards with five raised spine bands and black label in gilt lettering. Freeman 273; Norman 857; Sabin 18646 First edition. Published in 1846 Geological Observations on South America is the third and final part of Charles Darwin's geological trilogy detailing the findings from his famous five-year voyage aboard the HMS Beagle under the command of Captain Robert FitzRoy. The trilogy consists of Part 1: The Structure and Distribution of Coral Reefs 1842; Part 2: Geological Observations on the Volcanic Islands 1844; and Part 3: Geological Observations on South America 1846 — dedicated entirely to the continental mainland where Darwin spent the majority of his land-based exploration. It was not until 1851 that an edition of all three geological works was first published. The third and last of Darwin's geological reports on the Beagle voyage. In it he described the pampas the plateaux and the Andes showing how they had been gradually pushed up in the way Lyell had surmised without the intervention of catastrophic events. The descriptions of secondary fossil shells from South America illustrated in Sowerby's plates are by Edward Forbes. Darwin argued that vast landforms—including the pampas plateaus and the Andes mountain chain—were formed by slow continuous upward pressure over immense periods strongly supporting Charles Lyell's uniformitarian geology rather than sudden catastrophic events. Seismic and Volcanic History: Detailed logs and analysis of South American earthquakes volcanic rock mineralogy lava granite and deformed metamorphic strata. Fossil Contributions: Features specialized descriptions of tertiary and secondary fossil shells contributed by paleontologists G. B. Sowerby and Edward Forbes. Included original engraved folding map and hand-colored geological cross-sections illustrating the terrain and strata of the continent. Condition; Rebound without publisher's 32p pages of advertisement. Folding map repaired but with some tears. hand-colored plate with tears at folds some bumping and rubbing at the corners boards lightly scuffed some light toning plate IV with some edge wear else very good of a scarce title. Stewart & Murray for Smith, Elder & Company hardcover

The Book Collector ABAA, ILAB, TBA · Stati Uniti11.500,00 USD≈ 10.274,28 €

Charles Robert Darwin (1809-1882)Biblio.com

On the Various Contrivances by which British and Foreign Orchids are Fertilised by Insects and on the Good Effects of Intercrossing

1862rif. MS0012vi3651 pages with one folding plate and 33 woodcuts in text without the advertisements. Small octavo 7 1/2" 4 3/4" bound in full 19th-century calf spine gilt stamped spine in five compartments divided by double gilt fillets with Rugby School coat of arms to cover. Marbled end pages. Clark: 180-181; Freeman 800; Norman 595 First edition. Fertilisation of Orchids is a book by English naturalist Charles Darwin published on 15 May 1862 under the full explanatory title On the Various Contrivances by Which British and Foreign Orchids Are Fertilized by Insects and On the Good Effects of Intercrossing. Darwin's previous book On the Origin of Species had briefly mentioned evolutionary interactions between insects and the plants they fertilized and this new idea was explored in detail. Field studies and practical scientific investigations that were initially a recreation for Darwin—a relief from the drudgery of writing—developed into enjoyable and challenging experiments. Aided in his work by his family friends and a wide circle of correspondents across Britain and worldwide Darwin tapped into the contemporary vogue for growing exotic orchids. The book was his first detailed demonstration of the power of natural selection and explained how complex ecological relationships resulted in the coevolution of orchids and insects. The view has been expressed that the book led directly or indirectly to all modern work on coevolution and the evolution of extreme specialisation. It influenced botanists and revived interest in the neglected idea that insects played a part in pollinating flowers. It opened up the new study areas of pollination research and reproductive ecology directly related to Darwin's ideas on evolution and supported his view that natural selection led to a variety of forms through the important benefits achieved by cross-fertilization. Although the general public showed less interest and sales of the book were low it established Darwin as a leading botanist. Orchids was the first in a series of books on his innovative investigations into plants. Condition: Some scuffing to leather points rubbed. Provenance: H.M. Fitzgerald owner's name dated December 1869; Seddon H. Chadwick owner's name dated May 1943 to front end paper else very good. John Murray hardcover

The Book Collector ABAA, ILAB, TBA · Stati Uniti1100,00 USD≈ 982,76 €

Darwin

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