| Volume 23, No. 2 | June 1991 |
| Paul B. Kannowski, Editor | |
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| Douglas H. Johnson, Book Review Editor | |
| TABLE OF CONTENTS | ||
| Smallmouth Bass Size Structure and Catch Rates In Five South Dakota Lakes As Determined From Two Sampling Gears | ||
| C. L. Milewski and D. W. Willis | 53 | |
| Reproduction By Fishes In A Headwater Stream Flowing Into Grayrocks Reservoir, Wyoming | ||
| W. A. Hubert and D. T. O'Shea | 61 | |
| Envenomation and Acquisition of Chemical Information by Prairie Rattlesnakes | ||
| D. Chiszar, G. Hobika, H. M. Smith, and J. Vidaurri | 69 | |
| Movements and Habitat Use By Wild Turkey Hens With Broods in A Grassland-Woodland Mosaic in The Northern Plains | ||
| K. S. Day, L. D. Flake, and W. L. Tucker | 73 | |
| Earth-Filled Culverts As Nest Sites For Waterfowl | ||
| I. J. Ball and S. K. Ball |
85
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| Christmas Bird Counts For North Dakota-1990 | ||
| R. N. Randall |
89
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| Identification of Mammalian Predators At Artificial Waterfowl Nests | ||
| J. T. Trevor, R. W. Seabloom, and R. D. Sayler |
93
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| Range Extension, Description, and Habitat For Haplopappus macronema ssp. Linearis (Asteraceae) | ||
| G. Winkler and C. L. Wambolt |
101
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| NOTES | |
| New Distribution Records for Bruchophagus caraganae
(Hymenoptera:
Eurytomidae) in The Northern Great Plains A. Boe and B. McDaniel |
107 |
| New Host and Distribution Records For Uscana
semifumipennis
(Hymenoptera: Trichogrammatidae), an Egg Parasite of Bruchid Beetles A. Boe and B. McDaniel |
108 |