File:Geological magazine (1884) (14766156081).jpg

Identifier: geologicalmagazi3118wood (find matches)
Title: Geological magazine
Year: 1884 (1880s)
Authors: Woodward, Henry, 1832-1921, ed
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Publisher: London (etc.) Cambridge University Press
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

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cal vertebrae plano-concave,remaining vertebrae bi-concave. Pubes slender. Pelvic bones coossified. Osseousdermal plates. Astragalus with ascending process.Genus, Ceratosaurus. ^ Compsognathus is cited as an instance of this union, but in a careful study of theoriginal specimen in Munich, the writer found evidence that the astragalus is distinct,although closely attached to the tibia. Baur lias since proved this conclusively(Morpholog. Jahrbuch, viii.). In the Stegosauridm alone, among known Dinosaurs,is the astragalus coossified with the tibia. This, however, is not a character of muchimportance. ^ The presence of various genera of Dinosaurs closely allied to these Americanforms in essentially one horizon in the Isle of Wight, suggests that the beds in whichthey occur are not Wealden, as generally supposed, but J urassic. Fig. 7 Fig. 7.—Bones of left hindleg of Allosaurusfragilis,Marsh. Fig. 8.—Bones of left foreleg oi Allosaurusfragilis. Both figures are one-twelfthnatural siae.
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262 Hohcrf Bell—Land-Shells in the Heel Crag. (3.) Family Labrosauridw. Lower jaws edentulous in front. Cervical and dorsalvertebrfe convexo-concave. Pubes slender, with anterior margins united.Astragalus with ascending process.Genus, Labrosaurus.(4.) Family Zandodontidce. Vertebrfe bi-concave. Pubes broad elongate plates,with anterior margins united. Astragalus without ascending process. Fivedigits in manus -and pes. Genera, Zanclodon, ? Teratosaurus.(5.) FmnHj Amphisattridce. Vertebra) bi-concave. Pubes rod-like. Five digits inmanus, and three in pes. Genera, Amphisauriis(Megadactylus), ? Bathygnathus, ? Clepsysaurus, Palceo-saurus, Thecodontosaurus. Sub-order Cceltjuia.(6.) Family Cwluridce. Vertebra) and bones of skeleton pneumatic. Anteriorcervicals convexo-concave; remaining vertebra) bi-concave. Cervical ribscoossified with vertebrae. Metatarsals very long and slender.Genus, Ccelnrus. Sub-order Compsognatha.(7.) Y?imi(Y Compsognathidm. Cervical vertebrae convexo-concave ; rem

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