Abstract
Cutter, Dube and Wilson1 have published some interesting information regarding the growth and development of the coconut fruit. Apart from physiological studies on the growth and development of the endosperm tissue, they have detected the presence of free nuclei suspended in the milk, and by slowly centrifuging the milk they have successfully isolated such nuclei in the living state. The present observations have resulted from an attempt to follow up that work to see whether the fruit with its exposed nuclei can be used as a living receptacle for testing the direct effect of antibiotics and other substances on chromosomes. Hitherto, such studies have been confined to onion root tips, which can be made to grow in water.
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