24. Geographic range of the hooded skunk, Mephitis macroura, with description of a new subspecies from Mexico. By E. Raymond Hall and Walter W. Dalquest. Pp. 575-580, 1 figure in text. January 20, 1950. 25. Pipistrellus cinnamomeus Miller 1902 referred to the genus Myotis. By E. Raymond Hall and Walter W. Dalquest. Pp. 581-590, 5 figures in text. January 20, 1950. 26. A synopsis of the American bats of the genus Pipistrellus. By E. Raymond Hall and Walter W. Dalquest. Pp. 591-602, 1 figure in text. January 20, 1950. Index. Pp. 605-638. Vol. 2. (Complete) Mammals of Washington. By Walter W. Dalquest. Pp. 1-444, 140 figures in text. April 9, 1948. Vol. 3. 1. The Avifauna of Micronesia, its origin, evolution, and distribution. By Rollin H. Baker. Pp. 1-359, 16 figures in text. June 12, 1951. 2. A Quantitative study of the nocturnal migration of birds. By George H. Lowery, Jr. Pp. 361-472, 46 figures in text. June 29, 1951. 3. Phylogeny of the waxwings and allied species. By M. Dale Arvey. Pp. 473-530, 49 figures in text, 13 tables. October 10, 1951. * * * * * Transcriber's Notes: The text herein presented was derived from scans of the original report which were OCRed and proofread. Minor typographical errors (genus name initial not italicized, missing parenthis, missing or superfluous commas, etc.) were made but are not noted here. With the exception of those corrections and those noted below, it is the same text. Typographical Corrections Page 481 : Measureemnts => Measurements Page 486 : cedorum => cedrorum Page 496, Fig. 11 : Luis => Luis Page 480, 481 : Luis Potosi => Luis Potosi Page 516, Table 12 : Gatrocnemius => Gastrocnemius Emphasis Notation: _text_ : italicized =text= : bold * * * * *