Nature, Volume 11Sir Norman Lockyer Macmillan Journals Limited, 1874 |
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Página 96
... surface , the dots indicating the origin of the lost spines may almost always be made out with a high power . There are never spines on the Globigerinæ from the bottom , even in the shallowest water . Two or three very marked varieties ...
... surface , the dots indicating the origin of the lost spines may almost always be made out with a high power . There are never spines on the Globigerinæ from the bottom , even in the shallowest water . Two or three very marked varieties ...
Página 158
... surface- water to be 60 ° F. and the summer temperature to be 70 ° F. If we start from midwinter , we find that , as summer approaches , the surface water must get gradually warmer , and that the tem- perature of the layers below the ...
... surface- water to be 60 ° F. and the summer temperature to be 70 ° F. If we start from midwinter , we find that , as summer approaches , the surface water must get gradually warmer , and that the tem- perature of the layers below the ...
Página 159
... surface - water ; now the lowest temperature which surface - water can attain is its freezing- point . As the temperature of the air when the Challenger was beyond the 60th parallel was almost constantly below 32 ° F. , freezing must go ...
... surface - water ; now the lowest temperature which surface - water can attain is its freezing- point . As the temperature of the air when the Challenger was beyond the 60th parallel was almost constantly below 32 ° F. , freezing must go ...
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