The Birds Of Eastern North America Known To Occur East Of The Nineteenth Meridian PDF Download

Excerpt from The Birds of Eastern North America, Known to Occur East of the Nineteenth Meridian: Key to the Families and Species All measurements of birds are given in inches and fractions of an inch. The diagrams on page 8 will illustrate how a bird should be measured, and the chart (pages viii and ix) will be useful to the young student of ornithology who may not be familiar with the technical terms used in describing birds. Such terms as primaries and axillars should be learned at once. It is customary to indicate the sexes by the signs of Mars and Venus; the male, of course, being given that of Mars, 3, and the female, Venus, 9. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.