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The Structure and Life-history of the Cockroach (Periplaneta orientalis)

Note 167 — Chapter IX

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The descriptions and figures of the reproductive appendages of female Orthoptera by Lacaze-Duthiers (Ann. Sci. Nat., 1852) are so often consulted, that it may be useful to explain how we understand and name the same parts. In pl. xi., fig. 2, 8′ and 9′ are the 8th and 9th terga; the anterior gonapophyses are seen to be attached to them below; a (figs. 2 and 4) is the base of the same appendage, but the twisted ends are incorrect; the 8th sternum is seen at the back (figs. 2 and 4); a′ represents the outer, f the inner pair of posterior gonapophyses.

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