Introduction
Materials
Methods
  Preparation of craniofacial and limb bone data
  Preparation of environmental data
  Multivariate Statistical analysis
  Methods of calculation
Results
  Limits of among-group variation in each measurement
  Positions of sample means in within-group multivariate distributions
  Selection of samples for among-group multivariate analyses
  Among-group covariations of craniofacial, limb bone, and environmental variables
  Among-group covariations of craniofacial and environmental variables
  Path analysis of craniofacial measurements and environmental variables
Discussion
  Unimodal distribution of sample means and the limits of among-group variation
  Comparison to within-group multivariate distributions
  General size factor and regularity in among-group variations
  Deviated distributions of environmental variables
  Environmental influence on the craniofacial morphology
  Causes of brachycephalization
  Unknown factors influencing the craniofacial morphology
Summary and Conclusions
Acknowledgments
Literature Cited
Appendices


INTRODUCTION