346 A NEW MYLODON. 
Leipy, J. 
1885. Remarks on Mylodon. Proc. Acad. nat. sci. Phila., 1885, p. 49-51. 
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LyDEKKER, R. 
1893. Note on the coracoidal element in adult sloths, with remarks on its homology. 
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Martrtuew, W. D. 
1902. List of the Pleistocene fauna from Hay Springs, Nebraska. Bull. Amer. mus. 
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Merriam, J. C. 
1906. Recent discoveries of Quarternary mammals in Southern California. Science, 
new ser., 24, p. 248-250. ‘ 
(Dermal ossicles of Paramylodon). 
Ossorn, H. F. 
1910. The age of mammals in Europe, Asia and North America. New York, 8vo, 
xvii + 635 pp., illustr. 
Owen, R. 
1842. Description of the skeleton of an extinct gigantic sloth, Mylodon robustus, Owen, 
with observations on the osteology, natural affinities, and probable habits of the 
megatherioid quadrupeds in general. London, 4to, 176 pp., 24 pls. 
1843. Letter from Richard Owen, Esq., F. R.S., F. G.S., &e., &e., on Dr. Harlan’s 
notice of new fossil Mammalia. Amer. journ. sci., 44, p. 341-345. 
Perkins, H. C. 
1842. Notice of fossil bones from Oregon Territory, in a letter to Dr. C. T. Jackson. 
Amer. journ. sci., 42, p. 136-140, 4 figs. 
Sincxarr, W. J. 
1910. Dermal bones of Paramylodon from the asphaltum deposits of Rancho la Brea, 
near Los Angeles, California. Proce. Amer. phil. soc., 49, p. 191-195, fig. 1. 
Wriuston, 5. W. 
1895. New or little known extinct vertebrates. Kansas Univ. quarterly, 3, p. 165-176, 
pl. 14-19. 
(Fibula of Mylodon from Kansas figured). 
