The American Naturalist, 21. köideEssex Institute, 1887 |
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Page 612
... says it is followed by the eye with difficulty . While one instant it is enclosed in the capsule closely packed away , as soon as it is exposed the hairs of the coma fly round and form a per- fect hemisphere . This is a necessity ...
... says it is followed by the eye with difficulty . While one instant it is enclosed in the capsule closely packed away , as soon as it is exposed the hairs of the coma fly round and form a per- fect hemisphere . This is a necessity ...
Page 615
... says Mr. Smith , " are elastic , and when in the pouch they are like an extended spring , but the instant the masses are drawn out by the insect's foot the spring closes , the two pollen - masses quickly cross each other and hold ...
... says Mr. Smith , " are elastic , and when in the pouch they are like an extended spring , but the instant the masses are drawn out by the insect's foot the spring closes , the two pollen - masses quickly cross each other and hold ...
Page 618
... say that Paradoxides is characteristic of the Cambrian , that Ichthyosaurus is a Mesozoic reptile , and a thousand other similar items of geological informa- tion , is of little or no practical use unless the student is taught to ...
... say that Paradoxides is characteristic of the Cambrian , that Ichthyosaurus is a Mesozoic reptile , and a thousand other similar items of geological informa- tion , is of little or no practical use unless the student is taught to ...
Page 625
... say the man who has grasped these details of the science by the use of Devonian material alone is ready to undertake investigations in any geological period , from the Cambrian to the Tertiary . The facts may differ , but the methods of ...
... say the man who has grasped these details of the science by the use of Devonian material alone is ready to undertake investigations in any geological period , from the Cambrian to the Tertiary . The facts may differ , but the methods of ...
Page 626
... the simple rule of teaching much about a few things , instead of attempting to say a little about a great many things . THE RANGE OF VARIATION OF THE HUMAN SHOULDER - BLADE 626 [ July Methods of Instruction in General Geology .
... the simple rule of teaching much about a few things , instead of attempting to say a little about a great many things . THE RANGE OF VARIATION OF THE HUMAN SHOULDER - BLADE 626 [ July Methods of Instruction in General Geology .
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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