| Volume 18, No. 1 | March 1986 |
| Paul B. Kannowski, Editor | |
| Nikki R. Seabloom, Assistant Editor | |
| Douglas H. Johnson, Book Review Editor | |
| TABLE OF CONTENTS | |
| Invasion Pattern Mapping of Non-Seeded Species on a Shallowly Disturbed Seeded Site | |
| C. E. Grygiel, C. D. Bonham, and E. F. Redente | 1 |
| Changes in The Lichen Flora of Pipestone National Monument, Minnesota | |
| G. D. Willson and T. W. Vinyard | 9 |
| Interpopulation Variability in Mouthparts in Scaphiopus
bombigrons in Nebraska (Amphibia: Pelobatidae) |
|
| T. L. Potthoff and J. D. Lynch | 15 |
| Plants and Invertebrates in A Prairie Wetland During Duck Brood-Rearing | |
| J. W. McCrady, W. A. Wentz, and R. L. Linder |
23
|
| Occurrence of A Sage Grouse/Sharp Tailed Grouse Hybrid in North Dakota | |
| S. C.Kohn and G. D. Kobriger |
33
|
| Historical Biogeography of The Woodchuck in Kansas | |
| J. R. Choate and K. M. Reed |
37
|
| Subspecific Status of The Big Brown Bat, Eptesicus fuscus, in Kansas | |
| J. R. Choate, J. W. Dragoo, J. K. Jones, Jr., and J. A. Howard |
43
|
|
|
|
| Barn Owl Nest in Artificial Nesting Cavity at Arrowwood
National
Wildlife Refuge, North Dakota P. C. Van Ningen |
52
|
| Use of Abandoned Cliff Swallow Nests by Breeding House
Wrens K. J. Gutzwiller and S. H. Anderson |
53
|
| Least Bittern at J. Clark Salyer National Wildlife Refuge,
North Dakota D. Blockstein |
|
|
BOOK REVIEWS |
|
| North
Dakota's Turtle River T. F. Waters |
57 |
| A
Nebraska Bird Book J. J. Dinsmore |
58 |
| A
New Wildlife Text I. J. Ball |
59 |
| A
Compendium of The World's Birds D. H. Johnson |
60 |
| Birds
and Wetlands: A World View P. M. Konrad |
61 |
| Wildfowl M. W. Weller |
62 |
| SUGGESTIONS
FOR CONTRIBUTORS Editor |
64 |
| CORRECTIONS |
Inside Back
Cover |