The American Naturalist, Volumen21Essex Institute, 1887 |
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Página 605
... gives it an advantage over the other plants of the field ? In this , as in other cases , the common name tells the story ; but it does not tell why the milky juice , from which it has received its name , is so abundant . In spite of the ...
... gives it an advantage over the other plants of the field ? In this , as in other cases , the common name tells the story ; but it does not tell why the milky juice , from which it has received its name , is so abundant . In spite of the ...
Página 606
... give a reluctant assent to the assertion that there is warfare among plants as there is among animals , and that the difference is one not of kind , but of degree . This con- stant , continual , fierce fight is the struggle for ...
... give a reluctant assent to the assertion that there is warfare among plants as there is among animals , and that the difference is one not of kind , but of degree . This con- stant , continual , fierce fight is the struggle for ...
Página 608
... gives it a better chance to grow than many other plants . The reason for its dominance is no other than the possession of its sticky , milky juice . The sap of plants , though varying in different species , serves the same purpose in ...
... gives it a better chance to grow than many other plants . The reason for its dominance is no other than the possession of its sticky , milky juice . The sap of plants , though varying in different species , serves the same purpose in ...
Página 618
... will be omitted by the lecturer because they seem to him so familiar . To ward against this evil I give references to the pages in the more common text - books on geology , where 618 [ July Methods of Instruction in General Geology .
... will be omitted by the lecturer because they seem to him so familiar . To ward against this evil I give references to the pages in the more common text - books on geology , where 618 [ July Methods of Instruction in General Geology .
Página 619
... give some time both to this kind of book study and to the examination of specimens arranged and labelled specially to illustrate the facts discussed . Again , it is important to so accentuate the lectures that the grand and important ...
... give some time both to this kind of book study and to the examination of specimens arranged and labelled specially to illustrate the facts discussed . Again , it is important to so accentuate the lectures that the grand and important ...
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Términos y frases comunes
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