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
... teeth are rod - like , with a narrow enamel face on the inner side , the remainder of the surface being like a rat - tail file . The teeth have no stem , and the successional crowns occupy an excavation on the posterior or outer side of ...
... teeth are rod - like , with a narrow enamel face on the inner side , the remainder of the surface being like a rat - tail file . The teeth have no stem , and the successional crowns occupy an excavation on the posterior or outer side of ...
Page 11
... teeth in the mandibular series , and probably in the maxillary also . One of our specimens exhibits the missing superior premolar on one side . The outer incisor below , is a large tusk , while the inner is small and caducous , points ...
... teeth in the mandibular series , and probably in the maxillary also . One of our specimens exhibits the missing superior premolar on one side . The outer incisor below , is a large tusk , while the inner is small and caducous , points ...
Page 12
... teeth which precede it , differs from the corresponding one of A. megalodus in the greater thickness in proportion to the depth . It is absolutely both shallower and thicker than a corresponding ramus of the allied species , while the teeth ...
... teeth which precede it , differs from the corresponding one of A. megalodus in the greater thickness in proportion to the depth . It is absolutely both shallower and thicker than a corresponding ramus of the allied species , while the teeth ...
Page 13
... 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 . These comparisons are ...
... 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 . These comparisons are ...
Page 14
... teeth ; the posterior similar , but joint with its cres- cent by attrition in most of them . The boundaries of the crescents are all simple , except a tendency to the middle infolding of the adjacent borders of the crescents . The teeth ...
... teeth ; the posterior similar , but joint with its cres- cent by attrition in most of them . The boundaries of the crescents are all simple , except a tendency to the middle infolding of the adjacent borders of the crescents . The teeth ...
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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