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In some species of Dacelo the males have blue tails, and the females brown ones; and Mr. R.B. Sharpe informs me that the tail of the young male of D. gaudichaudi is at first brown. Mr. I owe this information to Mr. Now the young of both sexes entirely resemble the adult female, so that their crests are actually of greater length, though narrower, than in the adult male. Macgillivray, 'Hist. Brit.
Sharks, prehensile organs of male. Sharpe, Dr., Europeans in the tropics. Sharpe, R.B., on Tanysiptera sylvia; on Ceryle; on the young male of Dacelo Gaudi-chaudi. Shaw, Mr., on the pugnacity of the male salmon. Shaw, J., on the decorations of birds.
It is an interesting fact, as shewing how the same peculiar style of sexual colouring often characterises allied forms, that in three species of Dacelo the male differs from the female only in the tail being dull-blue banded with black, whilst that of the female is brown with blackish bars; so that here the tail differs in colour in the two sexes in exactly the same manner as the whole upper surface in the two sexes of Carcineutes.
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