' … will stimulate discussion and further work.' Science

• 1. Quaternary mammals and evolutionary theory: introductory remarks and historical perspective Robert A. Martin and Anthony D. Barnosky; 2. A method for recognizing morphological stasis Deborah K. Anderson; 3. Mosaic evolution at the population level in Microtus pennsylvanicus Anthony D. Barnosky; 4. Variogram analysis of paleontological data Andrew P. Czebieniak; 5. Morphological change in quaternary mammals: a role for species interactions? Tamar Dayan, Daniel Simberloff and Eitan Tchernov; 6. Rates of evolution in Plio-Pleistocene mammals: six case studies Philip D. Gingerich; 7. Patterns of dental variation and evolution in prairie dogs, genus Cynomys H. Thomas Goodwin; 8. Quantitative and qualitative evolution in the giant armadillo Holmesina (Edentata: Pampatheriidae) in Florida Richard C. Hulbert, Jr. and Gary S. Morgan; 9. Evolution of mammoths and moose: the holarctic perspective Adrian M. Lister; 10. Evolution of hypsodonty and enamel structure in Plio-Pleistocene rodents Larry D. Martin; 11. Patterns of variation and speciation in Quaternary rodents Robert A. Martin; 12. Decrease in the body size of white-tailed deer (Odocoileus virginianus) during the late Holocene in South Carolina and Georgia James R. Purdue and Elizabeth J. Reitz; 13. Short-term fluctuations in small mammals of the late Pleistocene from Eastern Washington John M. Rensberger and Anthony D. Barnosky; 14. Size change in North American Quaternary jaguars Kevin Seymour; 15. Ontogenetic change of Ondatra zibethicus (Arvicolidae, Rodentia) cheek teeth analyzed by digital image processing Laurent Viriot, Jean Chaline, Andre Schaff and Eric Le Boulenge; 16. Morphological change in woodrat (Rodentia: Cricetidae) molars Richard J. Zakrzewski; Index.

' … will stimulate discussion and further work.' Science

• 1. Quaternary mammals and evolutionary theory: introductory remarks and historical perspective Robert A. Martin and Anthony D. Barnosky; 2. A method for recognizing morphological stasis Deborah K. Anderson; 3. Mosaic evolution at the population level in Microtus pennsylvanicus Anthony D. Barnosky; 4. Variogram analysis of paleontological data Andrew P. Czebieniak; 5. Morphological change in quaternary mammals: a role for species interactions? Tamar Dayan, Daniel Simberloff and Eitan Tchernov; 6. Rates of evolution in Plio-Pleistocene mammals: six case studies Philip D. Gingerich; 7. Patterns of dental variation and evolution in prairie dogs, genus Cynomys H. Thomas Goodwin; 8. Quantitative and qualitative evolution in the giant armadillo Holmesina (Edentata: Pampatheriidae) in Florida Richard C. Hulbert, Jr. and Gary S. Morgan; 9. Evolution of mammoths and moose: the holarctic perspective Adrian M. Lister; 10. Evolution of hypsodonty and enamel structure in Plio-Pleistocene rodents Larry D. Martin; 11. Patterns of variation and speciation in Quaternary rodents Robert A. Martin; 12. Decrease in the body size of white-tailed deer (Odocoileus virginianus) during the late Holocene in South Carolina and Georgia James R. Purdue and Elizabeth J. Reitz; 13. Short-term fluctuations in small mammals of the late Pleistocene from Eastern Washington John M. Rensberger and Anthony D. Barnosky; 14. Size change in North American Quaternary jaguars Kevin Seymour; 15. Ontogenetic change of Ondatra zibethicus (Arvicolidae, Rodentia) cheek teeth analyzed by digital image processing Laurent Viriot, Jean Chaline, Andre Schaff and Eric Le Boulenge; 16. Morphological change in woodrat (Rodentia: Cricetidae) molars Richard J. Zakrzewski; Index.

' … will stimulate discussion and further work.' Science

• 1. Quaternary mammals and evolutionary theory: introductory remarks and historical perspective Robert A. Martin and Anthony D. Barnosky; 2. A method for recognizing morphological stasis Deborah K. Anderson; 3. Mosaic evolution at the population level in Microtus pennsylvanicus Anthony D. Barnosky; 4. Variogram analysis of paleontological data Andrew P. Czebieniak; 5. Morphological change in quaternary mammals: a role for species interactions? Tamar Dayan, Daniel Simberloff and Eitan Tchernov; 6. Rates of evolution in Plio-Pleistocene mammals: six case studies Philip D. Gingerich; 7. Patterns of dental variation and evolution in prairie dogs, genus Cynomys H. Thomas Goodwin; 8. Quantitative and qualitative evolution in the giant armadillo Holmesina (Edentata: Pampatheriidae) in Florida Richard C. Hulbert, Jr. and Gary S. Morgan; 9. Evolution of mammoths and moose: the holarctic perspective Adrian M. Lister; 10. Evolution of hypsodonty and enamel structure in Plio-Pleistocene rodents Larry D. Martin; 11. Patterns of variation and speciation in Quaternary rodents Robert A. Martin; 12. Decrease in the body size of white-tailed deer (Odocoileus virginianus) during the late Holocene in South Carolina and Georgia James R. Purdue and Elizabeth J. Reitz; 13. Short-term fluctuations in small mammals of the late Pleistocene from Eastern Washington John M. Rensberger and Anthony D. Barnosky; 14. Size change in North American Quaternary jaguars Kevin Seymour; 15. Ontogenetic change of Ondatra zibethicus (Arvicolidae, Rodentia) cheek teeth analyzed by digital image processing Laurent Viriot, Jean Chaline, Andre Schaff and Eric Le Boulenge; 16. Morphological change in woodrat (Rodentia: Cricetidae) molars Richard J. Zakrzewski; Index.