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
... incisor teeth ; ( 2 ) that the horses of the 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 ...
... incisor teeth ; ( 2 ) that the horses of the 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 ...
Page 11
... incisors are closely crowded by the huge canines , which have larger propor- tions than dogs generally , resembling more those of the bears , or large feline carnivora . The first premolar is one - rooted and separated by a long ...
... incisors are closely crowded by the huge canines , which have larger propor- tions than dogs generally , resembling more those of the bears , or large feline carnivora . The first premolar is one - rooted and separated by a long ...
Page 13
... incisor and canine teeth ; P. labrosus . A diastema , in front of canine ; symphysis narrower , deep ; inferior molars smaller ; P. sejunctus . Symphysis narrow , deep , contracted , and smaller ; lower molars larger ; P. perditus ...
... incisor and canine teeth ; P. labrosus . A diastema , in front of canine ; symphysis narrower , deep ; inferior molars smaller ; P. sejunctus . Symphysis narrow , deep , contracted , and smaller ; lower molars larger ; P. perditus ...
Page 14
... incisors . The two pairs of first and second incisors are in a nearly transverse line , in consequence of the flatness of the symphysis . The median lake is half worn out in the second incisors . Measurements . Length four premolars and ...
... incisors . The two pairs of first and second incisors are in a nearly transverse line , in consequence of the flatness of the symphysis . The median lake is half worn out in the second incisors . Measurements . Length four premolars and ...
Page 15
... incisors . It exhibits , also , the small and one - rooted first premolar of the P. perditus . The adjacent horns of the lakes of the molars are more produced out- ward than the remote ones , and the enamel borders have no plications ...
... incisors . It exhibits , also , the small and one - rooted first premolar of the P. perditus . The adjacent horns of the lakes of the molars are more produced out- ward than the remote ones , and the enamel borders have no plications ...
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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