Also 8 viscacho, 8–9 viscaccia, 9 vizcacha, vischacha. [a. Sp. viscacha (also biscacha BISCACHA), ad. Quichuan (h)uiscacha. Hence also F. viscaque.] One or other of two large burrowing rodents of South America, related to the chinchilla.

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  a.  The Lagidium cuvierii, inhabiting the upper Andes from Chili to Ecuador; the Alpine viscacha.

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1604.  E. G[rimstone], D’Acosta’s Hist. Indies, IV. xxxviii. 314. There are other small animalles which they call Viscachas, and are like to hares, although they be bigger.

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1781.  Pennant, Hist. Quadrup., II. 376. Allied to this [Cape Hare] seems the Viscachos, or Viscachas, mentioned by Acosta and Feuillée, in their accounts of Peru.

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1801.  Shaw, Gen. Zool., II. I. 209. Viscaccia.… This species is said to have the general appearance of a Rabbet.

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1811.  W. Walton, Peruv. Sheep, 175. They afford furs and ornamental skins,… particularly the viscacha, which is a species of rabbit.

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1849.  Sk. Nat. Hist., Mammalia, IV. 126. The general colour of the viscacha of the western acclivities of the Peruvian Andes … is grayish ash, clouded here and there with a tint of brown.

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1879.  E. P. Wright, Animal Life (Cassell), 196. The Alpine Viscacha (Lagidium cuvierii) inhabits the lofty Andes of Chili, Bolivia, and Peru.

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  b.  The Lagostomus trichodactylus of the southern Argentine pampas.

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1836.  Partington’s Brit. Cycl. Nat. Hist., II. 26. The Viscacha (Lagostomus trichodactylus) is about the size of a rabbit.

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1855.  Orr’s Circ. Sci., Org. Nat., III. 464. The Viscacha … inhabits the great plains of Buenos Ayres, where it digs burrows for itself.

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c. 1882.  Cassell’s Nat. Hist., III. 138. The Viscacha lives on the Pampas from Buenos Ayres to the borders of Patagonia.

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  So Viscache. rare1.

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1847–9.  Todd’s Cycl. Anat., IV. I. 373. In the viscache the squamous portion of the temporal bone is … deeply indented.

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