Nature, Količina 35Nature Publishing Group, 1886 |
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Zadetki 1–3 od 13
Stran 50
... larvæ is slow , and the larval life long , and , as they are as independent and as much exposed to changes in their environment and to the struggle for existence as the adults , it has come to pass that they as larvæ have undergone ...
... larvæ is slow , and the larval life long , and , as they are as independent and as much exposed to changes in their environment and to the struggle for existence as the adults , it has come to pass that they as larvæ have undergone ...
Stran 470
... larvæ placed in a glass cylinder covered with green tissue - paper , produced s green pupæ ; one of these , transferred to a black surfact while still moist and fresh , became a green pupa precisely like the others . after traversing ...
... larvæ placed in a glass cylinder covered with green tissue - paper , produced s green pupæ ; one of these , transferred to a black surfact while still moist and fresh , became a green pupa precisely like the others . after traversing ...
Stran 471
... larvæ may produce the brown form , just as diseased Vanessa larvæ produce gilded pupæ . V. Experiments upon Pieris brassica and P. rapæ . 1. Effects of Colours . - Black produced dark pupæ , and the greater the illumination the darker ...
... larvæ may produce the brown form , just as diseased Vanessa larvæ produce gilded pupæ . V. Experiments upon Pieris brassica and P. rapæ . 1. Effects of Colours . - Black produced dark pupæ , and the greater the illumination the darker ...
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