Bulletin of the United States Geological and Geographical Survey of the Territories, Volume 6U.S. Government Printing Office, 1882 - Geological surveys |
From inside the book
Results 1-5 of 73
Page 79
... Teeth shortly conic , obtuse , and with- out grooves or inflections , increasing in size towards the anterior parts of the jaws . Mandible supporting several rows of teeth , which oppose a pavement of obtuse teeth on the palate . These ...
... Teeth shortly conic , obtuse , and with- out grooves or inflections , increasing in size towards the anterior parts of the jaws . Mandible supporting several rows of teeth , which oppose a pavement of obtuse teeth on the palate . These ...
Page 80
... teeth are rather large for the size of the skull . At a point near the middle of the ramus of the mandible , where it is broken off , there may be counted five teeth in a transverse series . Of these the second from the external border ...
... teeth are rather large for the size of the skull . At a point near the middle of the ramus of the mandible , where it is broken off , there may be counted five teeth in a transverse series . Of these the second from the external border ...
Page 81
... teeth are of nearly equal size and are much larger than the others , the second premaxillary only approaching them . The section of the base of the first premaxil- lary is subtrifoliate , there being one grove on the inner , and two on ...
... teeth are of nearly equal size and are much larger than the others , the second premaxillary only approaching them . The section of the base of the first premaxil- lary is subtrifoliate , there being one grove on the inner , and two on ...
Page 82
... teeth is a marked peculiarity of this species . The median groove is most ex- tensive on the smaller maxillary tooth , extending into the base of the crown . From observation on this species and on certain Dinosauria , I am under the ...
... teeth is a marked peculiarity of this species . The median groove is most ex- tensive on the smaller maxillary tooth , extending into the base of the crown . From observation on this species and on certain Dinosauria , I am under the ...
Page 165
... teeth well developed in both jaws ; not more than one true molar tooth in the upper nor more than two true molar teeth in the lower jaw . Glenoid cavity grasping mandibular condyle anteriorly as well as posteriorly . Professor Gill ...
... teeth well developed in both jaws ; not more than one true molar tooth in the upper nor more than two true molar teeth in the lower jaw . Glenoid cavity grasping mandibular condyle anteriorly as well as posteriorly . Professor Gill ...
Other editions - View all
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
Popular passages
Page 431 - New-England, wherein you have the setting out of a Ship, with the charges, the Prices of all Necessaries for Furnishing a Planter and his Family at his first coming...
Page 471 - An Essay on the Natural History of Guiana in South America. Containing a description of many curious productions in the animal and vegetable systems of that country, together with an account of the religion, manners, and customs of several tribes of its Indian inhabitants ; interspersed with...
Page 439 - A new voyage round the world. Describing particularly, the isthmus of America, several coasts and islands in the West Indies, the Isles of Cape Verd, the passage by Terra del Fuego, the South Sea coasts of Chili, Peru, and Mexico...
Page 461 - An history of animals, containing descriptions of the birds, beasts, fishes, and insects, of the several parts of the world ; and including accounts of the several classes of animalcules, visible only by the assistance of microscopes.
Page 462 - Shrubs, and other Plants, not hitherto described, or very incorrectly figured by authors. Together with their descriptions in English and French. To which are added observations on the Air, Soil, and Waters, with remarks upon Agriculture, Grain, Pulse, Roots, etc. To the whole is prefixed a new and correct map of the Countries treated of.
Page 482 - Letters from an American Farmer; describing certain provincial situations, manners, and customs, not generally known; and conveying some idea of the late and present interior circumstances of the British Colonies in North America. Written for the information of a friend in England, By J. Hector St. John, a farmer in Pennsylvania.
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...
Page 459 - Relation abrégée d'un voyage fait dans l'intérieur de l'Amérique Méridionale, depuis la côte de la Mer du Sud, jusqu'aux côtes du Brésil et de la Guyane, en descendant la rivière des Amazones.
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...