1857, w, North American Oölogy Chapter Introduction, Yet it is not difficult to see that Oölogy promises to become an important auxiliary both in aiding to determine natural divisions, and to enable us to decide in regard to varieties the specific identity of which is in doubt. Let us take an instance. ... Without looking at all to the external structure of these birds, Oölogy would seem to indicate that the Cat-Bird, though closely allied to the true Mocking-Bird, is at least one step, and that the Brown Thrush is even farther, removed.
1893, w, Comparative Oölogy of North American Birds, When we come to examine the oölogy of the great Columbo-gallinaceous group, one well represented in the avifauna of the United States, it is possible to make the comparisons quite extensive, owing to w:Charles Bendire
2011, Renée Thompson, The Plume Hunter Chapter Acknowledgements, Dave Marshall, Frank Graham, Chuck Henny, Lloyd Kiff, Phil Cuthbert, and Joe Mazzoni shared their knowledge of hunting, oölogy, and bird-skin preservation, and provided philosophical insight concerning men's desire to hunt.
