PLATE IV.

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Fig. 5. C. longirostris : An ovum dissected out from the ovaries (magnified).

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6a. Proximal region of the mouth-parts of ♀ showing two of the

stylets and the membranous basal portion of the

labium (l) of C. longirostris.

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6b. Proximal region of the mouth-parts of ♀ showing all the

stylets and the membranous basal portion of the

labium (l) of C. longirostris.