Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68American Philosophical Society, 1929 |
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Сторінка 251
... increase in length of the prothorax from one moult to another is on an average the cube root of 2 , or 1.26 , while increase in area is at the rate of the square root of 2 ( 1.41 + ) . The biological stages follow a geometrical ...
... increase in length of the prothorax from one moult to another is on an average the cube root of 2 , or 1.26 , while increase in area is at the rate of the square root of 2 ( 1.41 + ) . The biological stages follow a geometrical ...
Сторінка 263
... increase in weight at , or immediately after , sexual maturity . This is partly due to the increased weight of the reproductive organs , partly to that of the somatic tissues . In insects and many arachnids the period of reproduction is ...
... increase in weight at , or immediately after , sexual maturity . This is partly due to the increased weight of the reproductive organs , partly to that of the somatic tissues . In insects and many arachnids the period of reproduction is ...
Сторінка 289
... increase in that sensation can only be brought about by a proportionate increase in the intensity of the im- pact ; that is , the increase in the intensity of the sensation and the increase in the intensity of the impact do not pursue ...
... increase in that sensation can only be brought about by a proportionate increase in the intensity of the im- pact ; that is , the increase in the intensity of the sensation and the increase in the intensity of the impact do not pursue ...
Зміст
Mans Future in the Light of His Past and Present By ALEŠ | 1 |
The Vegetation of the Screes or Talus Slopes of Western North | 13 |
Saxifraga Tolmiei Torr Gray a screecoverer | 20 |
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American amoeba Anax junius animals apple Arthropods atom Babur Bābur's Beisan body botanical Bradbury Bradbury's Campos do Jordão cell division cell number changes chemical civilization compounds consolidation container Corixids curves death discussion disease ductless ductless glands Egypt electron ether waves evidence exuvia fact frequency given glands gravitation growth by increase growth factor growth in length gudermannian Hamitic human hyperbolic angle hyps influence insects instar interest Interstate Commerce Commission Jefferson larva larvæ Liverpool living matter Mayfly Mayfly larvæ mean sealevel metazoa mitosis moults Nannothemis bella nature neurones observed Odonata organism Oxyaena Oxyaenidae Palaeonictis paper period philosophers photograph plants potential prehistory present protoplasm radians railroad rate of growth Read April relation result root Rousseau scree Semitic silicate skeleton species stage structure sulfhydryl Sumerians temperature tion tissue tumors vegetation