كتب ذات صلة

Water reptiles of the past and present

Tooth replacement phenomena in the lower vertebrates

A protorothyridid captorhinomorph reptile from the Lower Permian of Oklahoma

Parallelism in the evolution of the Permian reptilian faunas of the Old and New Worlds

• Revision of the Pelycosauria of North America
  المؤلفون: Case, E. C.
• Permo-carboniferous vertebrates from New Mexico
  المؤلفون: Case, E. C. ,  Mehl, Maurice G.
• The history of the Pelycosauria : with a description of the genus Dimetron, Cope
  المؤلفون: Case, E. C. ,  Baur, Georg

• The water-relation between plant and soil
  المؤلفون: Livingston, Burton Edward ,  Hawkins, Lon Adrian
• The venom of Heloderma
  المؤلفون: Loeb, Leo
• Studies on the germ cells of aphids.
  المؤلفون: Stevens, Nettie Maria