File:Outlines of comparative physiology touching the structure and development of the races of animals, living and extinct - for the use of schools and colleges (1870) (14780497594).jpg

Identifier: outlinesofcompar00agas (find matches)
Title: Outlines of comparative physiology touching the structure and development of the races of animals, living and extinct : for the use of schools and colleges
Year: 1870 (1870s)
Authors: Agassiz, Louis, 1807-1873 Gould, Augustus A. (Augustus Addison), 1805-1866 Wright, Thomas, 1809-1884
Subjects: Physiology, Comparative Zoology
Publisher: London : Bell & Daldy
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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s, and embracing all latitudes, so that all climates arerepresented upon it, as shown by the chart on the followingpage. § 597. Let a traveller embark at Iceland, which is situatedon the borders of the polar circle, with a view to observe, in azoological aspect, the principal points along the eastern shoreof America. The result of his observations will be very muchas foUows. Along the coast of Greenland and Iceland, andalso along Baffins Bay, he will meet with an unvaried fauna »/ J composed throughout of the same animals, which are also forthe most part identical with those of the arctic shores ofEurope. It will be nearly the same along the coast of Labrador.§ 598. As he approaches Newfoundland, he will see thelandscape, and with it the fauna, assuming a somewhat morevaried aspect. To the wide and naked or turfy plains of theboreal regions succeed forests, in which he will find variousanimals dwelling only therein. Here the temperate fauna 370 GEOGRAPHICAL DISTRIBUTION OF AXIMALS.
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FATINAS. I. North Glacial, or Arctic. II. Northern Tempe-rate. III. Northern Warm. IV. Tropical. V. Southern Warm.IV. Southern Tempe-rate. CHART OF ZOOLOGICAL REGIONS, DISTRIBUTION OF THE FAUNAS. 3/1 commences. Still the number of species is not yet veryconsiderable ; as lie advances southward, along the coasts ofNova Scotia and New England, he finds new species graduallyintroduced, while those of the colder regions diminish, and atlength entirely disappear, some few accidental or periodicalvisiters excepted, who wander during winter as far south asthe Carolinas. § 599. But it is after having passed the boundaries of theUnited States, among the Antilles, and more especially on thesouthern continent, along the shores of the Orinoco and theAmazon, that our traveller will be forcibly struck with theastonishing variety of the animals inhabiting the forests,the prairies, the rivers, and the sea-shores, most of which hewill also find to be different from those of the northern conti-nent. B

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