Nettium carolinense. July 25, 1909. Both of the drake teal show a loss of green feathers around the eye, making a narrow and almost complete ring around the eye except where the brown anterior feathers touch it. August 1, 1909. On one drake teal the patch of new feathers has increased considerably, displacing the green feathers of the head stripe. August 10, 1909. The drake teal which is farthest advanced in the change plumage has considerable mottled feathers in place of the brown feathers in front of the eyes. August 29, 1909. The drake teal looks more dilapidated than ever, nearly all of the bright greenish and brownish feathers having disappeared from his head, giving place to grayish and whitish feathers. Barred feathers are beginning to take the place of the vermiculated ones of the flanks and shoulders. The other drake was dead this morning; he had not moulter. Arrested moult may have been instrumental in death.