. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. XIII. THE HYOIU BONE IN MASTODON AMERICANUS. W. J. Holland, The Carnegie Museum, in the fall of the year 1898 obtained through the kindness of Mr. Andrew Carnegie the gift of the skeleton of a mastodon, which had been found in a peat-bog about five miles ?west of the village of Waterloo, in northern Indiana. The bones were carefully removed from their resting place and the skeleton was assembled by Mr. Henry A\'ard and his associates at that time con- nected with Ward's Natural Scie


. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. XIII. THE HYOIU BONE IN MASTODON AMERICANUS. W. J. Holland, The Carnegie Museum, in the fall of the year 1898 obtained through the kindness of Mr. Andrew Carnegie the gift of the skeleton of a mastodon, which had been found in a peat-bog about five miles ?west of the village of Waterloo, in northern Indiana. The bones were carefully removed from their resting place and the skeleton was assembled by Mr. Henry A\'ard and his associates at that time con- nected with Ward's Natural Science Establishment at Rochester, New York. The specimen is, with one exception, the most perfect skeleton of a single individual of the species hitherto discovered in North America, and it is believed also to be the largest. It is not the purpose of the writer to enter into a detailed descrip- tion of the specimen, but to merely describe and figure certain bones, which, so far as he is able to ascertain, have not yet been found with similar remains, and which, therefore, possess interest. These bones are the basi-hyal, and the thyro-hyals. With these were found the styloid processes. All of these bones are remarkably well preserved. The Styloid Processes (Fig. i ). —The left styloid has had a por-. FlG. I. Right styloid processor J/(/.f/(7^/o« .-/w6'r/Vrt;/z« Kerr. /", posterior view; A, anterior view; L, external lateral view. (Figures ]A^ nat. size.) tion of its distal extremity broken off. It is without its tip cm. or inches in length. The right styloid, the tip of which has not been injured, measures cm. or nearly inches in length. The specimen, therefore, approximately agrees in length with those 464. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Museum; Carnegie


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