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Rh both light and varied compared with the extreme or uniform dark brown form beside it (No. 8), which appears to me to be the least common one of all, less so than the extreme light one (No. 1) at the other end. When I say uniform, however, I do not mean to include the crown of the head or tips of the wings, which are always darker than the rest of the plumage, nor yet that lighter shade which is on the primary quills of every individual, but only seen in flight. These exceptions must always be understood, and, moreover, the expression uniform is not to be construed with mathematical accuracy, but only as conveying the general effect upon the eye.

(10) A bird that from the dark crown of the head to the dark tips of the wings is, above and below, a uniform dark, browny dun, yet some washes lighter than the uniformly brown one (No. 8) that I have spoken of.

(11) A bird that, from the dark crown to the dark wing-tips, is, above and below, a uniform light fawny dun.

(12) A bird that would be the extreme light form (No. 1) that I have first described, were it not that, both on the throat and breast, the cream is enroached upon by cloudy barrings of a soft greyey-brown (or something between the two) which extend also over the under surface of the wings. Moreover, a toning of the darker colour of the general upper surface encroaches a little upon the cream of the nape.

(13) A bird exhibiting the uniform, dusky-dunnish