| Volume 4, Nos. 3 and 4 | September-December 1972 |
| Paul B. Kannowski, Editor | |
| TABLE OF CONTENTS | ||
| The Sandhill Crane with Emphasis on Aspects Related to North Dakota | ||
| D. H. Johnson and R. E. Stewart | 65 | |
| Size and Coloration Characteristics of Neotenic Salamanders in Devils Lake, N. D. | ||
| D. W. Larson | 77 | |
| Birds' Eggs: An Aid to Nature Appreciation | ||
| S. O. Kolstoe | 81 | |
| Bird Mortality at Four Towers in Eastern North Dakota--Fall 1972 | ||
| M. Avery and T. Clement | 87 | |
| Population Irruption of the Least Weasel (Mustela nivalis) in East Central North Dakota | ||
| J. T. Lokemoen and K. F. Higgins |
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