Bulletin of the United States Geological and Geographical Survey of the Territories, 1. köide,1. numberU.S. Government Printing Office, 1874 |
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Page 12
... half M. 2 , while it is .8 the diameter of the same in the A. megalodus . There is no rudiment of P. m . 1 , hence this specimen displays fully the characters of the genus Aphelops . The nasal bones are long , acuminate , straight , and ...
... half M. 2 , while it is .8 the diameter of the same in the A. megalodus . There is no rudiment of P. m . 1 , hence this specimen displays fully the characters of the genus Aphelops . The nasal bones are long , acuminate , straight , and ...
Page 13
... half . Both the internal columns are longitudinally oval and rather small , the anterior well sep- arated . The adjacent enamel border gives of the usual projecting fold . Outline of crown nearly quadrate . A second molar , less worn ...
... half . Both the internal columns are longitudinally oval and rather small , the anterior well sep- arated . The adjacent enamel border gives of the usual projecting fold . Outline of crown nearly quadrate . A second molar , less worn ...
Page 14
... half worn out in the second incisors . Measurements . Length four premolars and one molar . Length crown , first premolar . Length crown , second premolar . Width crown , second premolar . Length crown , first molar .. Width crown ...
... half worn out in the second incisors . Measurements . Length four premolars and one molar . Length crown , first premolar . Length crown , second premolar . Width crown , second premolar . Length crown , first molar .. Width crown ...
Page 17
... half - hoof . The coronet is half as long as the pastern , and the unguis or coffin - bone is acumin- ate in outline and elevated on the middle line . It is deeply fissured at the extremity , and the margin abounds in foramina . The ...
... half - hoof . The coronet is half as long as the pastern , and the unguis or coffin - bone is acumin- ate in outline and elevated on the middle line . It is deeply fissured at the extremity , and the margin abounds in foramina . The ...
Page 20
... half as wide when worn to the same degree . The second premolar , instead of presenting a contracted subconic crown ... ( half worn ) . .014 .047 .013 Width of fourth premolar , ( half worn ) Length of first molar , ( half worn ) .. Length ...
... half as wide when worn to the same degree . The second premolar , instead of presenting a contracted subconic crown ... ( half worn ) . .014 .047 .013 Width of fourth premolar , ( half worn ) Length of first molar , ( half worn ) .. Length ...
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Common terms and phrases
alveoli angle angustidens anteroposterior articular face bones BRARY UNIVERSITY Brontotherium calcaneum CALIFOR CALIFORNIA CALIFORNIA SAN Camelida canine centrum cervical vertebræ coffin-bone Colorado condyles crassus crescent crest cuboid dentition Diameter proximal diastema DIEGO RSITY Dinictis distally dorsal E. D. Cope enamel facet Firehole River foramen formation Fossil Flora front genus Henry Gannett Hippotherium horse humerus Hypertragulus incisors inferior molar keel labrosus lakes last molar last premolar latter Leidy Leidy's Length crown Leptomeryx LIBRARY THE UNIVERSITY lobe mandible mandibular ramus maxillary median megalodus Merychippus metacarpals metapodial molar teeth occipital condyle Oreodon Paleontologist perditus phalange Pliocene Poëbrotherium posterior posteriorly premolar teeth PROCAMELUS Prof Protohippus ridge robustus SAN DIEGO CALIFORNIA SAN DIEGO ERSITY SAN DIEGO LIBRARY SAN DIEGO UNIVERSITY second premolar sejunctus SITY specimens superior molars superior premolar symphysis Synopsis Territories third molar transverse trochlear true molar tubercle tuberosity UNIVERSITY DIEGO UNIVERSITY LIBRARY UNIVERSITY SAN DIEGO VERSITY Vertebrata worn