colour of the common form (a shade lighter, perhaps, on the under surface), but with a cream patch on each side of the neck, just below the head. These patches are not, perhaps, of the brightest cream, but they are very conspicuous, whether the bird is seen standing or flying—in fact, the salient feature.
(14) A bird that would be the extreme light form (No. 1), but for a distinct collar of soft brown dividing the cream of the neck and throat from that of the breast.
(15) A bird that is yellowish dun on the neck and throat, mottled-brown on the breast, and a fine cream on the ventral surface.
Moreover, all these birds differed to a greater or less extent in those lighter markings of the quill feathers, both on the upper and under surface, some being lighter and some darker; following, in this respect, the general colouring. This feature, however, is only apparent when the birds fly, and I found it too laborious to include.
I can say with certainty, I think—judging by the lance-like projecting feathers of the tail, absent in the young bird, and by every other indication—that all the individuals here described by me, were birds of mature plumage. They were all established in one locality, and I was able to compare most of them with each other. I think, therefore, that though there might, perhaps, be some difference of opinion in regard to some of my colour terms—as where would there not be?—yet that the variation between the
