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Quarterly Journal of Microscopical Science, Vol s2-83, 141-152, Copyright © 1942 by Company of Biologists

The Significance of ‘Chromatic Droplets’ in the Growth of insects

V. B. WIGGLESWORTH M.D., F.R.S1

1 London School of Hygiene and Tropical Medicine

From a review of the literature, and from observations on Rhodnius prolixus, it is concluded that the ‘chromatic droplets’ which appear in the epidermis during the moulting and metamorphosis of insects are formed from the dissolution of entire nuclei; nuclei that have become superfluous, either because they belong to specialized larval structures that are being discarded, or because the exuberance of cell division has led to their production in greater numbers than are needed.






© The Company of Biologists Ltd 1942