This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ... II. THESES TAKEN FROM LITERATURE. (CHRONOLOGICAL.) (Vide: Aquila" VI. 1899.) Mperor Frederic II. (1194--1250) De artevenandi cum Avibus" Editio Schneider 1788. (Vide: Rhea" II. 1849. vice-versa--passagium et reditus. 2. Only perfectly-feathered individuals migrate. 3. Not all Birds are Birds of Passage. 4. ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ... II. THESES TAKEN FROM LITERATURE. (CHRONOLOGICAL.) (Vide: Aquila" VI. 1899.) Mperor Frederic II. (1194--1250) De artevenandi cum Avibus" Editio Schneider 1788. (Vide: Rhea" II. 1849. vice-versa--passagium et reditus. 2. Only perfectly-feathered individuals migrate. 3. Not all Birds are Birds of Passage. 4. Birds of all orders migrate, but not all to very distant countries. 5. Some onlymovefrom the mountains into the valleys and vice versa. 6. Migration is caused by: a) Change of temperature; and in connexion therewith b) Exigencies of subsistence. 7. Young Birds, when strong enough, prepare for Migration, gather and meet at various places. 8. Each species always meets separately. 9. Birds become aware of Migration-time by a power of foresight and sensitiveness to cold and warmth. Thienemann, Leipzig.) 1. Birds migrate from colder regions to warmer and 10. Weather influences Migration. 11. Contrary winds, showers or hail hinder the movement. 12. Birds that are not yet quite strong enough for flight commence the journey earlier, the stronger ones later. 13. Land-Birds travel without distinct order; others in two convergent lines, one of which is always longer. 14. The leader has to work hardest, but is relieved by others. 15. Birds wander from the North, as far as their range goes, to countries where they find food. LiNNE, Carl: Dissertatio migratione Avium" Upsaliae 1757. 1. Nutriment and temperature. 2. The Migration is directed to unknown regions. JENNER, E.: Some observations on the migration of birds" 1824. 1. Breeding and in connection therewith more need of food. Faber, Friedrich: 0ber das Leben der hochnordischen Vogel" 1826. 1. Birds have an impulse for wandering and homing. 2. Mild winters effect...
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Add this copy of Recensio Critica Automatica of the Doctrine of Bird to cart. $53.62, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2016 by Palala Press.
