This is a preview. Log in through your library . Abstract The apex of the proboscis of Macracanthorhynchus hirudinaceus is crowned by a cone-shaped projection with a small opening in its center. The ...
LITTLE is definitely known from the physiological point of view of many of the sense organs of insects. Except in the case of the eyes and the tactile hairs, it is largely a matter of conjecture to ...
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