General physiology; an outline of the science of life . erpart to these pheno-mena of the ingestion of sub-stance on the part of thenucleus. Here certain relationsexist toward the substancesproduced, which are whollyanalogous to those existing inova toward ingested substances.In the eggs of certain water-bugs, Nepa and Ranatra, thereoccur peculiar chitinous ap-pendages, the so-called egg-rays, which are formed by cellsespecially differentiated for thispurpose. These cells, of whicheach two unite into a singlecell with two nuclei, termedby Korschelt a double cell,assume a considerable size and

GLIX-115-2AJK7YK

General physiology; an outline of the science of life . erpart to these pheno-mena of the ingestion of sub-stance on the part of thenucleus. Here certain relationsexist toward the substancesproduced, which are whollyanalogous to those existing inova toward ingested substances.In the eggs of certain water-bugs, Nepa and Ranatra, thereoccur peculiar chitinous ap-pendages, the so-called egg-rays, which are formed by cellsespecially differentiated for thispurpose. These cells, of whicheach two unite into a singlecell with two nuclei, termedby Korschelt a double cell,assume a considerable size and
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General physiology; an outline of the science of life . erpart to these pheno-mena of the ingestion of sub-stance on the part of thenucleus. Here certain relationsexist toward the substancesproduced, which are whollyanalogous to those existing inova toward ingested substances.In the eggs of certain water-bugs, Nepa and Ranatra, thereoccur peculiar chitinous ap-pendages, the so-called egg-rays, which are formed by cellsespecially differentiated for thispurpose. These cells, of whicheach two unite into a singlecell with two nuclei, termedby Korschelt a double cell,assume a considerable size and

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