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Raamatud Books 1 - 4 of 4 on ... who cannot recognize the essential diversity of structure in such groups as swifts....
" ... who cannot recognize the essential diversity of structure in such groups as swifts and swallows, sun-birds and humming-birds, under the superficial disguise caused by adaptation to a similar mode of life. The application of Mr. Allen's principle leads... "
THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS - Page 67
by ALFRED RUSSEL WALLACE - 1876
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Bulletin of the United States Geological and Geographical Survey ..., 4. köide

Geological and Geographical Survey of the Territories (U.S.) - 1878
...whales were fishes, and bats birds ; and even to this day there are naturalists who cannot recognize the essential diversity of structure in such groups...Zealand as one of his secondary zoological divisions."! Leaving Mr. Wallace's last-quoted objection for notice in another connection (see a foot-note beyond,...
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Bulletin of the United States Geological and Geographical Survey ..., 4. köide

Geological and Geographical Survey of the Territories (U.S.) - 1878
...whales were fishes, and bats birds ; and even to this day there are naturalists who cannot recognize the essential diversity of structure in such groups...with New Zealand as one of his secondary zoological divisions."t Leaving Mr. Wallace's last-quoted objection fo.r notice in another connection (see a foot-note...
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BULLETING OF THE UNITED STATE GEOLOGICAL AND GEOGRAPHICAL SURVEY OF THE ...

F.V HAYDEN - 1878
...whales were fishes, and bats birds; and even to this day there are naturalists who cannot recognize the essential diversity of structure in such groups...Australia' to unite it with New Zealand as one of bis secondary zoological divisions."t Leaving Mr. Wallace's last-quoted objection for notice in another...
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Bulletin of the United States Geological and ..., 4. köide,2. number

Geological and Geographical Survey of the Territories (U.S.) - 1878
...day there are naturalists who cannot recoguize the essential diversity of structure in such group* as swifts and swallows, sun-birds and humming-birds,...with New Zealand as one of his secondary zoological divisions."t Leaving Mr. Wallace's last-quoted objection for notice in another connection (see a foot-note...
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