ScienceJohn Michels (Journalist) 1942 |
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Page 69
... less they have much in common in their vegetation , indicating some former land connections . The major parts of South America and Africa lie within the Tropics . The southernmost point of South America , Cape Horn , is less than 60 ° S ...
... less they have much in common in their vegetation , indicating some former land connections . The major parts of South America and Africa lie within the Tropics . The southernmost point of South America , Cape Horn , is less than 60 ° S ...
Page 255
... less toxic for mice than sodium barbital , sodium pentobarbital or sodium dilantin but more toxic than paraldehyde . The LD50 for mice is 600 mg / kg on intraperitoneal injection . This amount antagonizes a surely fatal dose of picro ...
... less toxic for mice than sodium barbital , sodium pentobarbital or sodium dilantin but more toxic than paraldehyde . The LD50 for mice is 600 mg / kg on intraperitoneal injection . This amount antagonizes a surely fatal dose of picro ...
Page 308
... less danger by using bromoform and acetone with a gravity of 2.3 . Although pollen grains may be separated by means of a liquid of a lower density , experience has shown that with a high gravity solution there is less chance of loss ...
... less danger by using bromoform and acetone with a gravity of 2.3 . Although pollen grains may be separated by means of a liquid of a lower density , experience has shown that with a high gravity solution there is less chance of loss ...
Contents
G Smithsonian Institution and International | 9 |
pAminobenzoic F H JOHNSON 104 Nicotinic | 16 |
E Industrial Organization 648 | 24 |
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