Range and Limitations of Species as Seen in Fossil Mammal Faunas Available to Purchase

Reclassification of the Artiodactyl Families Available to Purchase

Correlation of the Tertiary Formations of the Great Plains Available to Purchase

Recent Progress and Trends in Vertebrate Paleontology Available to Purchase

Affinities and origin of the Antillean mammals Available to Purchase

Methods of correlation by fossil vertebrates Available to Purchase

Evidence of the Paleocene vertebrate fauna on the Cretaceous-Tertiary problem Available to Purchase

Certain theoretical considerations affecting phylogeny and correlation Available to Purchase