Abstract
Austramphilina elongata Johnston, 1931 were collected from the freshwater turtle Chelondina longicollis taken in New South Wales, Australia. The morphology and histochemistry of the oogenotop is described with emphasis on egg shell formation. The vitelline gland granules compose most of the early egg shell; the granules stain positively with PAS, bromophenol blue and Heidenhains iron haematoxylin. There is a weak reaction for phenolase. The Mehlis gland secretory granules are PAS-positive. The first formed egg shells stain positively with PAS, bromophenol blue and Heidenhains iron haematoxylin; there is a weak phenolase reaction. The significance of these reactions is discussed.
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