File:Geological magazine (1891) (14798072883).jpg

Identifier: geologicalmagazi381891wood (find matches)
Title: Geological magazine
Year: 1864 (1860s)
Authors: Woodward, Henry, 1832-1921
Subjects: Geology
Publisher: London (etc.) Cambridge University Press
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
ing, Eylonomus has the abdomen protectedby bony scales, but differing in form and probably in arrangementfrom those of Dendrerpeton. The covering of its upper part washowever peculiar to itself, presenting a perfectly scaly surface oftrue corneous scales and with ornamental tubercles and spinyepaulettes on the shoulders, of which there is no trace in any otherknown amphibian, recent or fossil. It also possessed pendant fringesof. cuticle like those of Dendrerpeton. In connexion with this statement, I copy here (Fig. 4) from my Airbreathers of the Coal Period an illustration of the scatteredbones of a skeleton of Hylonomus Lyelli, and some of the partsenlarged, which will serve with the accompanying description toillustrate some of the structures. I have given in the paper abovereferred to, in the Transactions of the Eoyal Society, a copy of aportion of the scaly armour from a micro-photograph. ^ Plate 52, Fauna der Gaskohle. As interpreted by Fritsch, the ilat bone is calledthe pubis.
Text Appearing After Image:
Fig. 4.—Hylonomus Lyelli) 1 Reprinted from Airbreathers of the Coal Period, 1868. 152 Sir J. W. Bmcson—On Dendrerpeton Acadianum, etc. Fig. 4.—Hylonomus Lyelli. Explanation to page 151. a. Skeleton in matrix, showing jaws, /. Bones of foot; enlarged. ribs, vertebrae, pelvis, and bones of g. Parietal bones, showing foramen; enl.limbs. h. Vertebra ; enlarged. b. Portion of skeleton in matrix, show- j. Eibs; enlarged. ing vertebrse and limb-bones. k. Bony scale ; enlarged. c. Portion of maxilla with teeth ; enl. I. Portion of scaly cuticle. d. Cross-sections of teeth ; enlarged. m. to s. Horny scales, bristles, tubercles, e. Anterior end of mandible with teeth ; and other appendages of the same ; enlarged. magnified. Hylonomus Lyelli was an animal of small size. Its skull is aboutan inch in length, and its whole body, even if, as was likelj, furnishedwith a tail, could not have been more than six or seven inches long.No complete example of its skull has been found. The bonesappear

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