In C. nigrescens and in some other species a zooid may contain a pair of ovaries, a pair of testes, or an ovary and a testis, although the males, females and hermaj phrodites do not differ from one another in external characters. [Please select]
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The following description of spermatogenesis is based chiefly on material collected in 1955, although testes were preserved also in 1954. [Please select]
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The epididymis is ordinarily dark brown or black and contrasts sharply with the color of the testes. [Please select]
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The dotted lines indicate enlarged testes but no evidence of breeding in females. [Please select]
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One (MCT 3308) had testes of a size suggesting that it was in breeding condition. [Please select]
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The bird taken had testes of a size indicating possible breeding condition. [Please select]
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The specimen from Tenom was taken in a bird net set in a grass-scrubland situation; the testes were regressing. [Please select]
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