Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68 |
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Сторінка 228
In the summer of 1925 the writer began the attempt to raise Nannothemis bella (
Libellulinæ ) from the egg ; primarily for the purpose of obtaining the
morphological differences between the successive larval instars . As the
experiment went on ...
In the summer of 1925 the writer began the attempt to raise Nannothemis bella (
Libellulinæ ) from the egg ; primarily for the purpose of obtaining the
morphological differences between the successive larval instars . As the
experiment went on ...
Сторінка 231
GROWTH CURVES OF DRAGONFLY LARVAE , NANNOT HEMIS BELLA &
ANAX JUNIUS . A junius of transformed June 19 , 1927 My Je Jy Au 22 19 17 14
25 26 * Died in 318 transformation June 7 , 1928 4 . N. bella No. 565 Je Jy 18 16
x ...
GROWTH CURVES OF DRAGONFLY LARVAE , NANNOT HEMIS BELLA &
ANAX JUNIUS . A junius of transformed June 19 , 1927 My Je Jy Au 22 19 17 14
25 26 * Died in 318 transformation June 7 , 1928 4 . N. bella No. 565 Je Jy 18 16
x ...
Сторінка 244
All three larvæ of bella stand behind the larva of junius with its thirteen moults . 3.
The temperatures in the room in which these larvæ of N. bella and A. junius were
reared were doubtless higher in the winters ( never lower than 10 ° C. 50 ° F. ) ...
All three larvæ of bella stand behind the larva of junius with its thirteen moults . 3.
The temperatures in the room in which these larvæ of N. bella and A. junius were
reared were doubtless higher in the winters ( never lower than 10 ° C. 50 ° F. ) ...
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Proceedings of the American Philosophical Society Held ..., Томи 1 – 2 Повний перегляд - 1838 |
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according activity American animals appear associated bella body Bradbury called Campos cause cell changes civilization collected complex concerned considerable consolidation container continuous course death definite direct discussion disease effect evidence existence fact factors further given gives greater growth head History human impacts important increase indicated individual influence instar interest John junius known larva larvæ later lead length less letter light limited lines living lower material matter means measure moults mountain nature neurones noted observed organism original perhaps period philosophers physical plants possible potential present probably problem progress railroad Read received referred relation result rock root Rousseau scree seems short side Society species stage structure third tion University waves World monkeys
Бібліографічна інформація
| Назва | Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68 Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, American Philosophical Society Том 68 з серії Proceedings of the American Philosophical Society, American Philosophical Society |
| Автор | American Philosophical Society |
| Видавець | American Philosophical Society, 1929 |
| Експортувати бібліографічний опис | BiBTeX EndNote RefMan |