|
|||||
|
|
THE EVOLUTION OF THE CONIFER CONE |
|
| Abstract: | Die Koniferen des Oberkarbons und des unteren Perms , Parts 1–7. By R udolf F lorin . Plant Life of the Pacific World. By E lmer D. M errill Merrilleana , A Selection from the General Writings of E lmer D rew M errill , Sc.D., LL.D. Forest Soils and Forest Grozuth. By S. A. W ilde , F.E., D.T ech .S c . The Natural Vegetation of Trinidad. By J. S. B eard . Dating the Past: An Introduction to Geochronology. By F rederick E. Z euner . La Culture des Tissits. By R.-J. G autheret . |
| Keywords: | |