SYNOPSIS OF THE 



559. 1. E. Chrysurus (Gilt-tailed Echimys.) Brown-red, 

 head deep brown, with a narrow white band down the 

 middle, white underneath; tail longer than the body, black, 

 with the posterior half yellowish or white, woolly. 



Myoxus Chrysurus, Bodd. Elench. 122. Histrix Chry- 

 surus, Schreb. Echimys Cristatus, Desmarest, Ency. Method. 

 Mammalogie, p. 291. Loncheres Chrysuros, Lichtensteinf 

 Tr. Acad. Berl. 1818. 



Le Lerot a queue doree, Buff. Sup. vii. 283. Gilt-tailed 

 Dormouse, Pen. Quad. 162. 



Icon. Buff. I. c. tab. 72. Ency. Method, t. 78,/. 4. 



Inhabits Surinam. ^ . 



560. 2. E. Rufus (Red Echimys.) Fur dark brown, 

 mixed with red above, and white beneath. Length about 

 eight inches ; tail not quite half that length. Males larger 

 than the females. 



Loncheres Rufa, Lichtenstein., Tr. Acad. Berl. Echimys 

 Spinosus, Desmarest, Ency. Method. Mammalogie, 291. 



Spiny Rat, or first Rat of d'Azara, Quad, du Paraguay, 73. 

 Echimys Roux, Cuv. Regn. Anim. \15. Angouya-y-bigoni 

 of Paraguay. 



Icon. D'Azara's Voyage, pi. 13. 



Inhabits South America. 



M. Geoffroy distinguishes the following as species. 



561. 3. E. Dactylinus (Long-toed Echimys.) Fur of the 

 back deep brown, mixed with gray and yellow, red on the 

 flanks ; two middle toes of anterior feet much longer than 

 the rest ; tail longer than the body. 



Echimys Dactylinus, Geoff. Nouv. Diet. d'Hist. Nat. t. 

 10, 57. Loncheres Myosuros ? Lichtenstein, Trans. Acad. 

 Berl. 1818, 192. 



Icon. Lichtenstein, I. c. t. l,f. 2. 



Inhabits South America. 



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