THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS. |
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Page 4
The rest of Tropical South America is so homogeneous in its forms of life that it
cannot be conveniently subdivided for the ... conditions; and more exact
knowledge may enable us to form several provinces or perhaps additional sub-
regions.
The rest of Tropical South America is so homogeneous in its forms of life that it
cannot be conveniently subdivided for the ... conditions; and more exact
knowledge may enable us to form several provinces or perhaps additional sub-
regions.
Page 5
All Tropical South America, therefore, is here considered to form but one sub-
region. ... never reach South America; so that it is convenient to separate this
district as a sub-region, which forms, to some extent, a transition to the Nearctic
region.
All Tropical South America, therefore, is here considered to form but one sub-
region. ... never reach South America; so that it is convenient to separate this
district as a sub-region, which forms, to some extent, a transition to the Nearctic
region.
Page 9
highly specialized forms out of some ancestral swift-like type; how complete and
long continued the isolation of their birthplace to have allowed of their
modification and adaptation to such divergent climates and conditions, yet never
to have ...
highly specialized forms out of some ancestral swift-like type; how complete and
long continued the isolation of their birthplace to have allowed of their
modification and adaptation to such divergent climates and conditions, yet never
to have ...
Page 14
The Danaidae consist of 15 genera, all peculiar, and differing widely from the
generally sombre-tinted forms of the rest of the world. The delicate transparent-
winged Ithomias of which 160 species are described, are the most remarkable.
The Danaidae consist of 15 genera, all peculiar, and differing widely from the
generally sombre-tinted forms of the rest of the world. The delicate transparent-
winged Ithomias of which 160 species are described, are the most remarkable.
Page 19
This points to a long period of isolation, during which the various forms of life
have acted and reacted on each other, leading to such a complex yet
harmoniously-balanced result as to defy the competition of the chance
immigrants that from ...
This points to a long period of isolation, during which the various forms of life
have acted and reacted on each other, leading to such a complex yet
harmoniously-balanced result as to defy the competition of the chance
immigrants that from ...
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Common terms and phrases
abundant Africa allied Amazon animals Antilles appear Arctic Asia Australian region AUSTRALIAN SUB-REGIONS belong birds Bolivia Borneo Brazil California Canada Celebes Central Ceylon characteristic Chili China coast Columbia common confined consists Cosmopolite Costa Rica Cuba developed distinct DISTRIBUTION East Eastern Ecuador Ethiopian region ETHIOPIAN SUB-REGIONS Europe existing extending extinct fact FAMILY fishes forests forms fossil fresh-water genera genus Guatemala Guiana Guinea Himalayas important India indicated inhabits Islands Japan Java known land latter less living Madagascar Marine Mexico Miocene Mountains Nearctic region NEARCTIC SUB-REGIONS Neotropical region NEOTROPICAL SUB-REGIONS North northern occur Ocean Order Oriental region ORIENTAL SUB-REGIONS Pacific Palaearctic region PALAEARCTIC SUB-REGIONS Panama Paraguay perhaps period Peru Philippines Plata Plate possesses probably range recent remarkable represented rivers seas single South America Southern species Sub-family Temperate Tropical Tropical America types United Upper West West Africa Western whole widely World Zealand
Popular passages
Page 159 - regions, not only now but as far back as we can clearly trace them in the past; and, secondly, of the existing radical diversity of the Australian region from the rest of the Eastern Hemisphere. Owing to the much greater extent of the old
Page 61 - to the great Central American isthmus; yet instead of exhibiting an intermixture of the productions of Florida and Venezuela, they differ widely from both these countries, possessing in some groups a degree of speciality only to be found elsewhere in islands far removed from any continent. They consist of two very large islands, Cuba and
Page 552 - catalogued on a uniform plan, and with a uniform nomenclature, a thoroughly satisfactory account of the Geographical Distribution of Animals will not be possible. But more than this is wanted. Many of the most curious relations between animal forms and their habitats, are entirely unnoticed, owing to the productions of the same locality
Page 553 - harmony of nature, and to a fuller comprehension of the complex relations and mutual interdependence, which link together every animal and vegetable form, with the ever-changing earth which supports them, into one grand organic whole.
Page 9 - the South American continent, its long isolation from the rest of the land surface of the globe, and the persistence through countless ages of all the conditions requisite for the development and increase of varied forms of animal life.
Page 81 - probably formed part of Central America, and may have been united with Yucatan and Honduras in one extensive tropical land. But their separation from the continent ; took place at a remote period, and they have since been broken up into numerous islands, which have probably undergone much submergence in recent times. This has led to that poverty of the higher forms of life, combined
Page 5 - combined with isolation is the predominant feature of Neotropical zoology, and no other region can approach it in the number of its peculiar family and generic types.
Page 342 - islands and sand-banks, and can evidently pass over a few miles of sea with ease; but the Nicobar bird is a very different case, because none of the numerous intervening islands offer a single example of the family. Instead of being a well-marked
Bibliographic information
| Title | THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS. |
| Author | ALFRED RUSSEL WALLACE |
| Published | 1876 |
| Original from | the University of Michigan |
| Digitized | 17 veeb. 2006 |
| Export Citation | BiBTeX EndNote RefMan |