Beginners' zoology . Fig. 295. —Wing of Bird. /, false quills (on thumb); 3, primaries; 3, secondaries:tertiaries (dark) are one above another at right;a, b, A, point dividing priti aries; B, coverts. In describing and classifyingbirds, it is necessary to know thenames of the various externalregions of the body and plum-age. These may be learned bystudying Figs. 295, 296, 297, 298

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921