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
... 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 the shaft . They push the functional teeth inwards and ...
... 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 the shaft . They push the functional teeth inwards and ...
Page 11
... inner is small and caducous , points in which this 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 ...
... inner is small and caducous , points in which this 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 ...
Page 13
... inner angle of the same border of the anterior lake . The inner crescents are united , the posterior retaining its width posteriorly and giving off the posterior inner column from its anterior half . Both the internal columns are ...
... inner angle of the same border of the anterior lake . The inner crescents are united , the posterior retaining its width posteriorly and giving off the posterior inner column from its anterior half . Both the internal columns are ...
Page 14
... inner fold . The anterior inner column is cylindric in all the 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 ...
... inner fold . The anterior inner column is cylindric in all the 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 ...
Page 15
... inner columns of the superior molars distinguishes it from Hippotherium , a form of P. per- ditus is described below , in which the columns are more distinct than in individuals heretofore known . The P. sejunctus is identical in ...
... inner columns of the superior molars distinguishes it from Hippotherium , a form of P. per- ditus is described below , in which the columns are more distinct than in individuals heretofore known . The P. sejunctus is identical in ...
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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