Proceedings of the American Academy of Arts and Sciences, Volumen3Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 12
But as in these three classes there are no essential differences , the phases of
formation in birds , which are most convenient for study , may be described as
exponents of the whole . “ In the chick the allantois first appears at about the
sixtieth ...
But as in these three classes there are no essential differences , the phases of
formation in birds , which are most convenient for study , may be described as
exponents of the whole . “ In the chick the allantois first appears at about the
sixtieth ...
Página 15
Thus it would appear that the views here advanced of the origin and nature of the
allantois , are supported by the general embryological relations of all the classes
of Vertebrata . ” Professor Agassiz followed with some remarks . After highly ...
Thus it would appear that the views here advanced of the origin and nature of the
allantois , are supported by the general embryological relations of all the classes
of Vertebrata . ” Professor Agassiz followed with some remarks . After highly ...
Página 20
... for by such process bones possess the greatest combined strength and
lightness attainable with the same amount of material . “ These phases of
formation just described belong especially to the higher Vertebrata . In the lower
classes ...
... for by such process bones possess the greatest combined strength and
lightness attainable with the same amount of material . “ These phases of
formation just described belong especially to the higher Vertebrata . In the lower
classes ...
Página 21
In the lower classes they are of a much less complicated character . Thus in many
fishes the concentric lamella do not exist , and therefore there has been no linear
arrangement of the cartilage - cells . But these cells are ossified in situ , and ...
In the lower classes they are of a much less complicated character . Thus in many
fishes the concentric lamella do not exist , and therefore there has been no linear
arrangement of the cartilage - cells . But these cells are ossified in situ , and ...
Página 41
John A . LOWELL , Louis Agassiz , of Class II , JOHN B . S . Jackson , James
WALKER , JARED SPARKS , of Class III . Nathan APPLETON , Professor Gray
presented a paper entitled , “ Caroli a Linné ad Bernardum de Jussieu ineditæ ,
et ...
John A . LOWELL , Louis Agassiz , of Class II , JOHN B . S . Jackson , James
WALKER , JARED SPARKS , of Class III . Nathan APPLETON , Professor Gray
presented a paper entitled , “ Caroli a Linné ad Bernardum de Jussieu ineditæ ,
et ...
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Página 8 - ... fund for publication. Professor Agassiz offered by title two papers: — 1st. Monograph of the North American Crawfishes (Astacidea). 2d. Investigation of some Points of the Natural History of the Higher Animals, bearing upon the Origin, Unity, and Diversity of Man. Three hundred and sixty-fourth meeting. June 22, 1852. — MONTHLY MEETING. The CORRESPONDING SECRETARY and subsequently the PRESIDENT in the chair. Professor Agassiz, in behalf of the committee appointed to consider the best means...
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Página 136 - MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN, and of the Museum of Economic Geology in London. Published by order of the Lords Commissioners of Her Majesty's Treasury.
Página 252 - Cambridge ; with a systematic description of the British Palaeozoic Fossils in the Geological Museum of the University of Cambridge, by FREDERICK M"CoY, FGS, Hon.
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Información bibliográfica
| Título | Proceedings of the American Academy of Arts and Sciences, Volumen3 Volúmenes141-147 de American periodical series, 1850-1900 |
| Autor | American Academy of Arts and Sciences |
| Editor | Metcalf and Company, 1857 |
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