— Three Leaders.- 1. Historical Perspectives.- 1.1. Europe and the Circompolar Area: Events and Personalities.- 1.2. Some Events and Trends in Study of Carabidae in North America.- 2. Systematics 2.1. Speciation.- 2.11. Speciation Patterns and What They Mean.- 2.12. Rates of Taxonomically Significant Differentiation in Relation to Geographical Isolation and Habitat: Examples from a Study of the Nearctic Nebria fauna.- 2.2. Holomorphology: Classification and Phylogeny.- 2.21. Conspectus of Carabid Classification: History, Holomorphology, and Higher Taxa.- 2.22. Wing-folding Mechanisms of Beetles, with Special Reference to Investigations of Adephagan Phylogeny.- 2.23. Metathoracic Wing Structures as Phylogenetic Indicators in the Adephaga (Coleoptera).- 2.24. Chemical Defense in Carabids and Its Bearing on Phylogeny.- 2.25. Contributions of Characters of Larvae to Systematics of Carabidae.- 2.26. Larvae of North American Carabidae with a Key to the Tribes.- 2.3. Zoogeography, Historical and Contemporary.- 2.31. The Science of Biogeography with Relation to Carabids.- 2.32. The South American Carabid Fauna: Endemic Tribes and Tribes with African Relationships.- 2.33. Trans-Atlantic Dispersal: Several Examples of Colonization of the Gulf of Biafra by Middle American Stocks of Carabidae.- 2.34. Zoogeography of Rhysodini — Do Beetles Travel on Driftwood?.- 2.35. Existing Trans-tropical and Southern Pathways of Dispersal for Carabidae.- 2.36. The Importance of Beringia as Reflected in the Present Fauna.- 2.37. The American Connection, Past and Present, as a Model Blending Dispersal and Vicariance in the Study of Biogeography.- 2.38. Investigations on Present Climatic Refugia in North America Through Studies on the Distributions of Carabid Beetles: Concepts, Methodology and Prospectus.- 2.4. Paleontology.- 2.41. The Theory of Glacial Refugia.- 2.42. Quaternary Coleoptera Studies in North America: Past and Present.- 2.43. The Carabidae of the Glacial Refuge in the British Isles and Their Contribution to the Post Glacial Colonization of Scandinavia and the North Atlantic Islands.- 2.44. Late Tertiary Carabid Fossils from Alaska and the Canadian Arctic Archipelago.- 3. Natural History 3.1. Population Ecology.- 3.11. Relationships Between Annual and Daily Rhythms, Climatic Demands, and Habitat Selection in Carabid Beetles.- 3.12. Mortality Rates of the Mobile and Immobile Stages in the Life-Cycle of Carabids.- 3.13. A Review of the Natural History and Evolution of Ectoparasitoid Relationships in Carabid Beetles Terry L. Erwin.- 3.14. The Occurrence and Importance of Ground Beetles in Agricultural and Surrounding Habitats.- 3.15. Carabid Beetles and Pollution.- 3.2. Community Ecology.- 3.21. Riparian Carabid Guilds — A Spontaneous Question Generator.- 3.22. Thoughts on the Evolutionary History of Ground Beetles: Hypotheses Generated from Comparative Faunal Analysis of Lowland Forest Sites in Temperate and Tropical Regions.- 4. Techniques 4.1. Computerization of Data.- 4.11. Applications of Computer Techniques to the Study of Ground Beetle Natural History, Systematics, and Zoogeography.- Epilogue.