142 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 7:J 



PiEaisoL, G. A. 



1907. Human anatomy. Lippincott and Co., pp. 1-2088. 

 Reighaud, J. and H. S. Jennings. 



1901. Anatomy of the cat. Ed. 2, Henry Holt and Co., New York, pp. 



1^98. 

 Rosenthal, F. C. 



1831. Zur Auatomie der Seehunde. Nova Acta Acad. Caes. Leop.-Carol., 

 vol. 15, pp. 313-348. 

 Thomson, R. B. 



1909. Osteology of the Antarctic seals. Scottish Nat. Antarc. Exped., 

 8, Trans. Royal Soc. Edinb., vol. 47, pp. 187-201. 

 Todd, T. W. 



1922. Numerical significance in the thoracicolumbar vertebrae of the Mam- 

 malia. Anat. Record, vol. 24, pp. 261-286. 

 TOLDT, C. 



l}>03-4. An atlas of human anatomy. Pts. 1-6. New York. 

 Weber, Max 



1904. Die Saugetiere. Jena, pp. 1-860. 



WlLLISTON, S. W. 



1902. On certain homoplastic charactei's in aquatic, air-breathing verte- 



brates. Kansas Univ. Sci. Bull., vol. 1, pp. 259-266. 



WOBTMAN, J. L. 



1894. Osteology of Patriofelis, a Middle Eocene creodont. Bull. Amer. Mus. 



Nat. Hist., vol. 6, pp. 129-164. 

 1921. On some hitherto unrecognized reptilian characters in the skull of 



the Insecttvora and other mammals. Proc. U. S. Nat. Mus., vol. 57, 



pp. 1-52. 



EXPLANATION OF PLATE 



Pl.ATR 1 



Mounted skeletons of an eared seal (Otariidae, genus Callorhitms below) 

 and an earless seal (Phocidae, genus Phoca above) exhibited to show normal 

 terrestrial positions. 



o 



