628 



Chinchilla, Tetrastylus, Megamys. 



laniger, p., Wagler, Isis, 1831, p. 614; Bolivia et Pem sept. 

 Goldfuss, Atlas, pl. 290, fig. 1. in Montibus Andium. 



Yar. major, Burm., 1879. » 



714. f Tetrastylus, Aniegh., 1886 



Megamys, p., Amegh., 1885. 



3861. f iaevigatus, Amegh., Bol. Ac. Cient. Cor- 

 doba, 1885, p. 31; 1886, p. 44; Mam 

 Fosil., 1889, p. 209, 906, pl. 22, 26 et 80 



? americanus (Brav.), Burm., Anal. Mus 

 B.-A., EI, p. 109 (Theridomys). 



3862. fdiffusus, Amegh., Bol. Acad. Corcl, 1886, 

 p. 47 ; Mam. Fos., 1889, p. 210, 907, pl. 26, 

 62, 82. 



3863. fmontanus, Am., Bev. Arg., 1881, p. 94, 

 fig. 21— 23. 



argentinus, Bnrm. (Loxomylus). 



f Oligocaen vel 

 Miocaen Argentina. 



fOligocaen vel 

 Miocaen Arg-entina. 



fMiocaen Argentina. 



715. fMegainys, Laurillard, 



Anoplotherium, p., Brav., Burm.; Nesodon, p., 



p., Burm. 



3864. fpatagoniensis. Laurill., in d'Orbigny, 

 Vov. Amer. Merid., PaL 1848. p. 110; 

 Burm., Anal. Mus.B.-A., XIV. 1885, p. 98, 

 pl. II, III; Amegh., Mam. Fos., 1889, 

 p. 194, 905, pl. 21, fig. 4—8, et 80. 

 fig. 5. 6. 



americanum, Brav., Burm. (Anoplothe- 

 rium), 1879. 



ovimis, Oweri, Burm. (Nesodon), 1879. 



3865. f Laurillardi, Amegh., Bol. Ac. Cordoba, 

 1883, p. 268; Mam. Fosil., 1889, p. 198, 

 905, pl. 21 et 22. 



3866,tdepressidens. Am, Bol.Ac.Cord., 1885, 

 p. 28; Mam.Fos.. 1889, p. 199. pl. 21 

 et 26. 



1848. 



Owen ; Potamarchus, 



tOligocaen vel 



Miocaen Patagonia et 



Aro-entina. 



fOligocaen vel 

 ]\Iiocaen Argentina. 



fOligocaen vel 

 Miocaen Argentina. 



