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"HUMBOLDT, ALEXANDER von. - ON THE SNOW-LINE OF THE HIMALAYA.
Reference : 44059
(1820)
Sur la Limite inférieure des neiges perpétuelles dans les montagnes de l'Himâlaya et les régions équatoriales.
Paris, Crochard, 1820. Uncut in orig. printed wrappers. In ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", Tome XIV - Mai 1820. The entire issue offered. Htitle a. titlepage to vol. 14. (4),112 pp. Humboldt's paper: pp. 5-56. Clean and fine.
First appearance of Humboldt's importent investigation of the snow-line in the Himalayas. He found, that the snow-line on the northern side of the Himalaya is much higher than below the equator, and that there is a connection between the lowest line of the permanent snow, the oscillations of the snowl-line and the lowest line of snowfall.The issue also contains the importent chemical paper by PELLETIER & CAVENTOU ""Examen chimique de plusieurs végétaux de la famille des colchicées, et du principe actif qu'ils renferment. (Cévadille (veterum album)"" colchique commun (colchicum autumnale))."", pp. 69-83.
