institutional requests, or by the Museum of
Natural History, which meets the requests of individuals. However,
when individuals request copies from the Museum, 25 cents should be
included, for each separate number that is 100 pages or more in
length, for the purpose of defraying the costs of wrapping and
mailing.

* An asterisk designates those numbers of which the Museum's
supply (not the Library's supply) is exhausted. Numbers
published to date, in this series, are as follows:

Vol. 1.

Nos. 1-26 and index. Pp. 1-638, 1946-1950.

*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, 47 figures in text. June
29, 1951.

3. Phylogeny of the waxwings and allied birds. By M. Dale
Arvey. Pp. 473-530, 49 figures in text, 13 tables. October 10,
1951.

4. Birds from the state of Veracruz, Mexico. By George H.
Lowery, Jr., and Walter W. Dalquest. Pp. 531-649, 7 figures in
text, 2 tables. October 10, 1951.

Index. Pp. 651-681.

*Vol 4.

(Complete) American weasels. By E. Raymond Hall. Pp. 1-466, 41
plates, 31 figures in text. December 27, 1951.

Vol. 5.

Nos. 1-37 and index. Pp. 1-676, 1951-1953.

*Vol 6.

(Complete) Mammals of Utah, _taxonomy and distribution_. By
Stephen D. Durrant. Pp. 1-549, 91 figures in text, 30 tables.
August 10, 1952.

Vol. 7.

*1. Mammals of Kansas. By E. Lendell Cockrum. Pp. 1-303, 73
figures in text, 37 tables. August 25, 1952.

2. Ecology of the opossum on a natural area in northeastern
Kansas. By Henry S. Fitch and Lewis L. Sandidge. Pp. 305-338,
5 figures in text. August 24, 1953.

3. The silky pocket mice (Perognathus flavus) of Mexico. By
Rollin H. Baker. Pp. 339-347, 1 figure in text. February 15,
1954.

4. North American jumping mice (Genus Zapus). By Phillip H.
Krutzsch. Pp. 349-472, 47 figures in text, 4 tables. April 21,
1954.

5. Mammals from Southeastern Alaska. By Rollin H. Baker and
James S. Findley. Pp. 473-477. April 21, 1954.

6. Distribution of Some Nebraskan Mammals. By J. Knox Jones,