362 CALOMYS. VISCACIA. DASYPROCTA. 



Lagidium Meyen, Nov. Act. Acad. Caes. Leop. -Carol., xvi, Pt. ii, 

 1833, pp. 576-580, tab. XLi, XLii, figs. 1-3, II. 



619. Calomys aureus d'Orbigny & I. Geoffroy. 



Callomys! aureus d'Orb. & I. Geoff., Ann. Sci. Nat. Paris, xxi. 



1830, p. 291. 

 Lagidium pemanum Meyen, Nov. Act. Acad. Caes. Leop. -Carol.. 



XVI, Pt. II, 1833, pp. 576-580, tab. XLI, XLII. 

 Lagotis cuvieri Bennett, Proc. Zool. Soc, 1833, P- 59- 

 Four-toed Viscacha. 



I. Adult — P. Chili. Ward's Nat. Sci. Establ., Rochester, N. Y. 



Genus 178. Viscacia. 



Viscaccia Oken, Lehrb. d. Naturg., in, 1816, p. 835. Type Lepus 

 chilensis Oken = Dipiis maximus Desmarest. 

 Viscacia Rafin., Anal, de la Nat., 1815, p. 56. (nomen nudum.) 

 Lagostomus Brookes, Zool. Jour., iv, 1S28, p. 133. 



620. Viscacia chilensis (Oken). 



Lepus chilensis Oken, Lehrb. d. Naturg., iii, 1816, p. 835. 

 Dipus tnaximus Desm., Nouv. Diet. Hist. Nat., xiii, 1817, p. 117. 

 Lagostomus trichodactylus Brookes, Zool. Jour., iv, 1828, p. 133. 

 Callomys! viscacia d'Orb. & L Geoff., Ann. Sci. Nat. Paris, xxi. 



1830, p. 291. (nee Molina.) 

 Lagostomus viscacha Meyen, Nov. Act. Acad. Caes. Leop. -Carol., 

 XVI, 1833, p. 584. 

 Viscacha. 



I. Adult — P. Buenos Aires, Argentina, South America. Ward's 

 Nat. Scien. Establ., Rochester, N. Y. 



Family XVII I. .4jfOutidje. Ajjoiitix, Paoa. 



Genus 179. Da.syprocta. Aff<»utis. 



Dasyprocta lUig., Prodr. Svst. Mamm. et Av., 181 1, p. 93. Type 

 undetermined. 



in his diagnosis. In 1829 this Af M5 Laniger was made the type of the genus 

 Chinchilla Bennett, Gardens & Menag. Zool. Soc, i. p. i. In 1830 d'Orbigny 

 & I. Geoff., Ann, Scien. Nat. Paris., xxi, p. 289. instituted the genus Ca'lomys 

 (sic), including in it Callomys! viscacia d'Orb. & Geoff. Viscaciti chilensis- 



