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 10
... genus Protohippus are , like those of Hippotherium , three - toed ; ( 3 ) that a Mastodon of the M. ohioticus type existed during the same period . * See Proceed . Acad . Nat . Sciences Phila . , 1872 , p . 279 . + Extinct Batrachia and ...
... genus Protohippus are , like those of Hippotherium , three - toed ; ( 3 ) that a Mastodon of the M. ohioticus type existed during the same period . * See Proceed . Acad . Nat . Sciences Phila . , 1872 , p . 279 . + Extinct Batrachia and ...
Page 11
... genus resembles the genera above - named , and differs from the African and tichorhine species , or genus Atelodus of Pomel . A posterior upper molar represents the A. crassus in the original col- lections described by Leidy . A well ...
... genus resembles the genera above - named , and differs from the African and tichorhine species , or genus Atelodus of Pomel . A posterior upper molar represents the A. crassus in the original col- lections described by Leidy . A well ...
Page 12
... genus Aphelops . The nasal bones are long , acuminate , straight , and not coös- sified . They are tectiform , and distally compressed , instead of flattened , as in two specimens of A. megalodus ; they are also quite rugose at the ...
... genus Aphelops . The nasal bones are long , acuminate , straight , and not coös- sified . They are tectiform , and distally compressed , instead of flattened , as in two specimens of A. megalodus ; they are also quite rugose at the ...
Page 13
... genus , it becomes possible to correlate the man- dibular with the maxillary forms , dentition , etc. , as it has not been pos- sible to do heretofore . Of mandibles there are four types , which refer to species as follows : Symphysis ...
... genus , it becomes possible to correlate the man- dibular with the maxillary forms , dentition , etc. , as it has not been pos- sible to do heretofore . Of mandibles there are four types , which refer to species as follows : Symphysis ...
Page 15
... genus under the name of Merychippus . That the latter is distinct as a genus may be questioned , and I shall follow Doctor Leidy's later conclusion in uniting them . * The structure of the feet in this genus , as indicated by the ...
... genus under the name of Merychippus . That the latter is distinct as a genus may be questioned , and I shall follow Doctor Leidy's later conclusion in uniting them . * The structure of the feet in this genus , as indicated by the ...
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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