June 29, 1951. 3. phylogeny of the waxwings and allied birds.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
phylogeny reveals to us the historical development of the will within the ranks of our vertebrate ancestors.
"The Old Riddle and the Newest Answer"
John Gerard
All such features, it is assumed, indicate the phylogeny of each animal, or the history of the race to which it belongs.
"The Old Riddle and the Newest Answer"
John Gerard