Bulletin of the United States Geological and Geographical Survey of the Territories, Volume 6U.S. Government Printing Office, 1882 - Geological surveys |
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Page 11
... genus of papilionaceous Leguminosa . Parkinsonia Torreyana , the Palo Verde ( Cercidium of authors ) . Prosopis juliflora , the true Mesquite , and P. pubescens , the Screw Bean or Screw - pod Mesquite , the pods and seeds of which ...
... genus of papilionaceous Leguminosa . Parkinsonia Torreyana , the Palo Verde ( Cercidium of authors ) . Prosopis juliflora , the true Mesquite , and P. pubescens , the Screw Bean or Screw - pod Mesquite , the pods and seeds of which ...
Page 18
... genus of no near affinity to any other , except Fendlera , which ( equally unique ) belongs to a lower region in New Mexico and Western Texas , Robinia Neo - Mexicana , which is an out- lying species on the southeastern border , Quercus ...
... genus of no near affinity to any other , except Fendlera , which ( equally unique ) belongs to a lower region in New Mexico and Western Texas , Robinia Neo - Mexicana , which is an out- lying species on the southeastern border , Quercus ...
Page 19
... genus ; but the original species has been found even in California , and a second one oc- curs on the southwestern rim of the Great Basin . Townsendia is a highly characteristic genus , but some species belong to the alpine regions ...
... genus ; but the original species has been found even in California , and a second one oc- curs on the southwestern rim of the Great Basin . Townsendia is a highly characteristic genus , but some species belong to the alpine regions ...
Page 20
... genus Aplopappus might be added to the foregoing ; but the most characteristic genera are not in the wooded region . There , too , the species of Solidago and of Aster are less numerous than at the East , and Erigeron is more prominent ...
... genus Aplopappus might be added to the foregoing ; but the most characteristic genera are not in the wooded region . There , too , the species of Solidago and of Aster are less numerous than at the East , and Erigeron is more prominent ...
Page 23
... genus which was confounded on mere habit with Vesicaria , belonging to the foot - hills rather than to the valleys , the principal species extending around the whole limits of the region , a peculiar one at the north and another at the ...
... genus which was confounded on mere habit with Vesicaria , belonging to the foot - hills rather than to the valleys , the principal species extending around the whole limits of the region , a peculiar one at the north and another at the ...
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Common terms and phrases
abundant American angle anteriorly articulation Atlantic flora Balana Baleine base bird bone border Bosgoed Bull Cachalot California canine Catodon Centrocercus Cetacea Cétacés characters Colorado Colorado Valley concave condyle convex Cope coracoid crest cusp Dauphin Delphinus Depth of ramus Diameters distal dorsal Dugong Eastern elevated external extremity Felida figg foramen foramina fore wings Fort Mojave fossil fuscous genera genus gibbar groove Grote Guen Hind wings Humboldt Mountains humerus Hyperoodon incisor inferior molar inner Lamantin latter Length Linn macrocephalus Manati mandible median middle Miocene Mojave molar Monodon Morr mysticetus nearly Nevada North northern Orca peculiar Philos Physeter Plate portion posterior posteriorly premolar Pyramid Lake region ridge Ridgway River Rocky Mountains sectorial seen shaft shales side Sirenia skull southern species specimens spine superior surface teeth tibia tibiæ Trans transverse true molar tubercle vertebra Whale Width
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Page 75 - ... synchronous. The beds in the lower latitudes must be later, and were forming when Greenland probably had very nearly the climate which it has now. Wherefore the high, and not the low, latitudes must be assumed as the birth-place of our present flora;* and the present arctic vegetation is best regarded as a derivative of the temperate. This flora, which when circumpolar was as nearly homogeneous round the high latitudes as the arctic vegetation is now, when slowly translated into lower latitudes,...
Page 69 - Nor in any of the genera common to the two does the Pacific forest equal the Atlantic in species. It has not half as many Maples, nor Ashes, nor Poplars, nor Walnuts, nor Birches, and those it has are of smaller size and...
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Page 76 - To what extent displaced, and how far superseded by the vegetation which in our day borders the ice, or by ice itself, it is difficult to form more than general conjectures, so different and conflicting are the views of geologists upon the Glacial period. But upon any, or almost any. of these views it is safe to conclude that temperate vegetation, such as preceded the refrigeration, and has now again succeeded it, was either thrust out of northern Europe and the northern Atlantic States or was reduced...