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
... posterior or outer side of the shaft . They push the functional teeth inwards and upwards , so that the grind- ing surface exhibits at one time a transverse section of three teeth , viz : an outer young crown , a middle worn crown , and ...
... posterior or outer side of the shaft . They push the functional teeth inwards and upwards , so that the grind- ing surface exhibits at one time a transverse section of three teeth , viz : an outer young crown , a middle worn crown , and ...
Page 11
... posterior margin of the second premolar . Length of fragment .. Length from incisors to P. 4 .. Length basis of P. m ... posterior upper molar represents the A. crassus in the original col- lections described by Leidy . A well developed ...
... posterior margin of the second premolar . Length of fragment .. Length from incisors to P. 4 .. Length basis of P. m ... posterior upper molar represents the A. crassus in the original col- lections described by Leidy . A well developed ...
Page 12
... Two of these have elon- gate curved crowns ; the longer is a left posterior , the more abraded a right median . The latter is characterized by the generally greater simplicity of the enamel boundaries of the lakes as compared 12.
... Two of these have elon- gate curved crowns ; the longer is a left posterior , the more abraded a right median . The latter is characterized by the generally greater simplicity of the enamel boundaries of the lakes as compared 12.
Page 13
... posterior retaining its width posteriorly and giving off the posterior inner column from its anterior half . Both the internal columns are longitudinally oval and rather small , the anterior well sep- arated . The adjacent enamel border ...
... posterior retaining its width posteriorly and giving off the posterior inner column from its anterior half . Both the internal columns are longitudinally oval and rather small , the anterior well sep- arated . The adjacent enamel border ...
Page 14
... 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 are but ...
... 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 are but ...
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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