Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68American Philosophical Society, 1929 |
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Сторінка 242
... instar ) and transformed on January 2 ( completing its 12th instar ) , 206 days from oviposition . Another larva in its penultimate instar , which had been living in water of 8 ° -10 ° C. , was put into 25 ° on January 9 , moulted ...
... instar ) and transformed on January 2 ( completing its 12th instar ) , 206 days from oviposition . Another larva in its penultimate instar , which had been living in water of 8 ° -10 ° C. , was put into 25 ° on January 9 , moulted ...
Сторінка 254
... instar , its length in the second instar will be n ( the initial length ) X 1.26 ( the first power of 1.26 ) , in the third instar n X 1.26 X 1.26 or n X 1.262 , and so on . If the growth continue at this rate , then y ( the length of ...
... instar , its length in the second instar will be n ( the initial length ) X 1.26 ( the first power of 1.26 ) , in the third instar n X 1.26 X 1.26 or n X 1.262 , and so on . If the growth continue at this rate , then y ( the length of ...
Сторінка 256
... INSTAR TO INSTAR The second horizontal line of figures for each species gives the number of days in each instar . Sources of information the same as in Table 3 . Pantala flavescens ( Honolulu ) . + 4.5 Pantala flavescens ( Philadelphia ) ...
... INSTAR TO INSTAR The second horizontal line of figures for each species gives the number of days in each instar . Sources of information the same as in Table 3 . Pantala flavescens ( Honolulu ) . + 4.5 Pantala flavescens ( Philadelphia ) ...
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