Personal Narrative Of Travels To The Equinoctial Regions Of America During The Years 1799-1804 - Volume 1 - By Alexander Von Humboldt And Aime Bonpland.
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These Regions Form The Natural Divisions Of The
Vegetable Empire; And As Perpetual Snow Is Found In Each Climate At
A Determinate Height, So, In Like Manner, The Febrifuge Species Of
The Quinquina (Cinchona) Have Their Fixed Limits, Which I Have
Marked In The Botanical Chart Belonging To This Essay.
1.I.5.
OBSERVATIONS ON ZOOLOGY AND COMPARATIVE ANATOMY.
I have comprised in this work the history of the condor;
experiments on the electrical action of the gymnotus; a treatise on
the larynx of the crocodiles, the quadrumani, and birds of the
tropics; the description of several new species of reptiles,
fishes, birds, monkeys, and other mammalia but little known. M.
Cuvier has enriched this work with a very comprehensive treatise on
the axolotl of the lake of Mexico, and on the genera of the Protei.
That naturalist has also recognized two new species of mastodons
and an elephant among the fossil bones of quadrupeds which we
brought from North and South America. For the description of the
insects collected by M. Bonpland we are indebted to M. Latreille,
whose labours have so much contributed to the progress of
entomology in our times. The second volume of this work contains
figures of the Mexican, Peruvian, and Aturian skulls, which we have
deposited in the Museum of Natural History at Paris, and respecting
which Blumenbach has published observations in the 'Decas quinta
Craniorum diversarum gentium.'
1.I.6. POLITICAL ESSAY ON THE KINGDOM OF NEW SPAIN, WITH A PHYSICAL
AND GEOGRAPHICAL ATLAS, FOUNDED ON ASTRONOMICAL OBSERVATIONS AND
TRIGONOMETRICAL AND BAROMETRICAL MEASUREMENTS.
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