. The bird, its form and function . Fig. 100.—Bills of young Rufous Hvnnminghirds, showing swift-lik. character.(Photograph by Finley & Bohlman.). Fig. 191.—Slightly older Hummingbirds, with bills hah as long as the advilts.(Photograph by Plnley & 247 248 The Bird them. Both mandibles of the crossbill are curved intosharp hooks which cross one another, either to the rightor left, thus forming a unique pair of pliers, with whichthe bird pries out the seeds shut tight behind the over-lapping scales of pine-cones.

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Keywords: ., bookauthorbeebewil, bookcentury1900, bookdecade1900, bookyear1906