Winecoff, T. E.

1930. Least weasel in Pennsylvania. Jour. Mamm., 11:312-313, August, 1930.

Woldrich, J. N.

1884. Diluviale Fauna von Zuzlawitz bei Winterberg im Bohmerwalde. Dritter Theil.... Sitzungsberich. d. K. Akad. d. Wissen. Math.—Natur.—Classe, 88(heft 3, erste abth.):978-1057, 3 pls., 2 figs. in text.

Wright, P. L.

1942A. Delayed implantation in the long-tailed weasel (Mustela frenata), the short-tailed weasel (Mustela cicognani), and the marten (Martes americana). Anat. Rec., 83:341-353, 2 pls., July, 1942.

1942B. A correlation between the spring molt and spring changes in the sexual cycle in the weasel. Jour. Exp. Zoöl., 91:103-110, October, 1942.

1947. The sexual cycle of the male long-tailed weasel (Mustela frenata). Jour. Mamm., 28:343-352, 1 pl., 3 figs. in text, November 19, 1947.

1948A. Breeding habits of captive long-tailed weasels (Mustela frenata). Amer. Midland Nat., 39:338-344, March, 1948.

1948B. Preimplantation stages in the long-tailed weasel (Mustela frenata). Anat. Rec., 100:595-607, 2 pls., April, 1948.

1950. Effects of gonadotropic hormone on the pelage of white winter long-tailed weasels; abstract. Anat. Rec., 106(no. 2):130, February, 1950.

Zimmermann, K.

1943. Zur Kenntnis deutscher Maus-und Zwerg-Wiesel. Zeitschr. fur Säugetierkunde, 15(3):289-298, 2 pls., 2 figs. in text, 3 tables, January 11, 1943.

Transmitted May 22, 1950.