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Skinner, Ernest B. (ed.) / Transactions of the Wisconsin Academy of Sciences, Arts and Letters
volume XV, Part I (1904)

Marshall, Wm. S.
The reproductive organs of the female maia moth, Hemileuca maia (Drury),   pp. [1]-Plate II ff. PDF (3.9 MB)


Page 8


8     Wisconsin Academy of Sciences, Arts, and Letters.
  The wall of the vagina shows in section a greater develop-
ment of the muscular layers than any other part of the repro-
ductive organs. A similar enlarged muscular layer was found
by Verson and Bisson (12) for Bombyx. The thin internal chit-
inous layer is folded and in the epithelial layer the cells show
a partial degeneration; the nuc-lei appear normal but the cyto-
plasm has in part disappeared from many of the cells. The
layer of circular museles is wide and followed externally by a
narrower longitudinal layer.
Zoological Laboratory,
    University of Wisconsin,
        February, 1905.
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