FURTHER OBSERVATIONS ON WATER ABSORPTION BY THE EGGS OF ACHETA DOMESTICUS (L.)

Abstract
Eggs of Acheta domesticus (L.) absorb water during the stage of embryonic development in which the serosa surrounds the embryo and yolk. Water is absorbed over the entire surface of the shell. The egg membranes are more permeable to water, as shown by water loss in an unsaturated atmosphere, during the period of water absorption than either before or after; they are also permeable to dyes during the period of water absorption. The mechanism of water absorption is discussed. A possible explanation is presented for water loss after maximal absorption has occurred.

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