ScienceJohn Michels (Journalist) 1941 |
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Page 143
... appear elsewhere at a later date . At birth the genital ridge ( as in Trichosurus ) is already distinctly marked off into an anterior region , the rete ridge , slender and virtually lacking in germ cells , and a posterior gonad region ...
... appear elsewhere at a later date . At birth the genital ridge ( as in Trichosurus ) is already distinctly marked off into an anterior region , the rete ridge , slender and virtually lacking in germ cells , and a posterior gonad region ...
Page 475
... appear which become sharper as more fluid passes through . At the bottom are the yellow carotene bands which may be driven lower by pouring still more fresh solvent through the filter till the yellow colors collect in the flask at the ...
... appear which become sharper as more fluid passes through . At the bottom are the yellow carotene bands which may be driven lower by pouring still more fresh solvent through the filter till the yellow colors collect in the flask at the ...
Page 491
... appear in the index and the personal pronouns , first person , seldom appear in the text . Their contributions to the field are men- tioned but without credit to them or to Harvard Observatory . There should be some way of informing the ...
... appear in the index and the personal pronouns , first person , seldom appear in the text . Their contributions to the field are men- tioned but without credit to them or to Harvard Observatory . There should be some way of informing the ...
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