BARNES, R.1968. Invertebrate zoology, 2nd ed. W. B. Saunders Co., Philadelphia.
BRUES, C., and A. MELANDER. 1932. Classification of insects. Harvard Museum of Comparative Zoology Bulletin73:755.
Harvard Museum of Comparative Zoology Bulletin
GUSTAFSON, T.1963. A report on collecting, preparing, and mounting tardigrades from central eastern North Dakota. Proceedings of the North Dakota Academy of Science 17:28.
Proceedings of the North Dakota Academy of Science
MARCUS, E.1959. Tardigrada. In Fresh water biology, ed. by W. T. Edmondson. John Wiley & Sons, Inc., New York.
Tardigrada. In Fresh water biology
NELSON, D.1970. Population dynamics in the carabid beetle: Pasimachus punctulatus. Southwestern Association of Naturalists15: 55.
Southwestern Association of Naturalists
PENNAK, R.1953. Fresh water invertebrates of the United States. Ronald Press Co., New York.
Fresh water invertebrates of the United States
PERKINS, H. 1973. Centipedes and millipedes of North Dakota. Ph.D. dissertation, North Dakota State University, Fargo.
VON WICKLEN, J.1963. Some soil arthropods collected in southern Oklahoma. Proceedings of the Oklahoma Acad- emy of Science43:156.
Proceedings of the Oklahoma Academy of Science
This content is only available via PDF.
Copyright 1974 National Association of Biology Teachers