The spring moult of larus atricilla linn.

Laughing Gull (Leucophaeus atricilla) Science Article 1

abstract

The subject of the alleged color change in full-grown feathers in certain specific cases, would seem hardly worthy of renewed comment after the thorough papers of Allen and Chapman in the ‘Bulletin’ of the American Museum, Vol. VIII, 1896, pp. 1-44, and of others since then. But judging by analogous biological problems, it is only by reiterated and absolutely overwhelming proof, that any theory, which has once gained wide credence, canbe refuted.

C. WILLIAM BEEBE, The AUK, vol.23

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