The American Naturalist, Volumen21Essex Institute, 1887 |
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Página 607
... importance of which is not at first to be perceived , the features have increased in usefulness and attained perfection only after many severely fought battles with hardy antagonists . Perhaps one of the most effectual of all the modes ...
... importance of which is not at first to be perceived , the features have increased in usefulness and attained perfection only after many severely fought battles with hardy antagonists . Perhaps one of the most effectual of all the modes ...
Página 608
... important purpose in its economy . The gradual development of this feature to its present state has been attended by certain changes in the flowers and fruit , which , together , make the family one of great interest ; and when it is ...
... important purpose in its economy . The gradual development of this feature to its present state has been attended by certain changes in the flowers and fruit , which , together , make the family one of great interest ; and when it is ...
Página 617
... importance to the scientific scholar . To know simply names and definitions , laws , and , I may add , statistics , without the discriminative power of the eye , or ear , or touch , does not make a scientist . This acquirement bears no ...
... importance to the scientific scholar . To know simply names and definitions , laws , and , I may add , statistics , without the discriminative power of the eye , or ear , or touch , does not make a scientist . This acquirement bears no ...
Página 619
... important to so accentuate the lectures that the grand and important lessons shall not be smothered and quite lost to sight by the innumerable names and definitions and topics with which the lecture is necessarily filled . For I hold ...
... important to so accentuate the lectures that the grand and important lessons shall not be smothered and quite lost to sight by the innumerable names and definitions and topics with which the lecture is necessarily filled . For I hold ...
Página 623
... important relations , so that it becomes the illustration of the several principles involved . Thus , in explaining volcanoes , instead of spending the time with an enumeration of statistics and formulæ , crowding the lecture with all ...
... important relations , so that it becomes the illustration of the several principles involved . Thus , in explaining volcanoes , instead of spending the time with an enumeration of statistics and formulæ , crowding the lecture with all ...
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Amer AMERICAN NATURALIST animals appear Artiodactyla Bering Island bones botany breed called cells character chemical color compounds conclusions Condylarthra contains crystals cusps described dike E. D. Cope Eocene evolution eyes facts fauna feet figures fossils four Gard genera genus geological geologists geology Göhrde groups Heptodon hornblende hornless stags horns hundred Hyracotherium Ichthyosaurus incisors inferior molar infra-spinous insects Island J. B. LIPPINCOTT COMPANY known Lambdotherium larvæ lower Menodus mineral Miocene molars natural North notes observed occur original paper Philadelphia plane plants plates polled cattle pollinia portion premolars present probably Proc Prof Professor Protohippus published recently region represented River rocks sandstone says scapular scapular index schists scientific sea-cow sections seen side skull species specimens Spiders structure student superior molars synonymy Taconic teeth tion varieties Vilmorin XXI.-NO