Note 274 — VI. BIRD CALENDAR FOR THE REGION OF THE MANDAN VILLAGES, IN THE WINTER OF 1833-34[274]

Each month is divided into three parts of ten and eleven days each with the exception of February, where the divisions are shorter.—Maximilian.

Comment by Ed. For bibliographies of earlier as well as later works on American ornithology, see Elliott Coues, "List of Faunal Publications relating to North American Ornithology," being the Bibliographical Appendix to his Birds of the Colorado Valley (United States Geological Survey of the Territories, Misc. Pub. No. 11, 1878); also his "Second Instalment of American Ornithological Bibliography," U. S. Geog. and Geographical Survey Bulletin, v, No. 2 (1879).