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chanCtES caused by man. 



•459 



Domingo alone, according to Acosta's report, was 35,444; 

 and in tlie same year there were exported 64,350, from 



Spain. Tliis was in the sixty-fiftli year 



New 



after the taking of Mexico, previous to which event the 

 Spaniards, who came into that country, had not been able to 

 engage in anything else than Avar.^ Everyone is aware that 

 these animals are now established throughout the American 

 continent from Canada to the Straits of Magellan. 



ISTew 



Quito 



numbers 



aecome a nuisance. They 

 grazed togetlier in herds, and wlien attacked defended them- 

 selves with their months. If a horse happened to stray into 

 the places where they fed, they all fell npon him, and did not 

 o,pa,se bitinQ-andkickinP* till they lefb him dead.t This fact 



illustrates the power of one of those barriers — namely 



preoccnpancy, which we before alluded to (p. 351) 



as being 



most 



t? 



America by Columbus 



blished in the New World, from th^ 

 the 40th deCToe of south latitude. 



established in the island of St. Domingo the year following 

 its discovery, in ISTovember, 1493. In succeeding years they 

 were introduced into other places where the Spaniards settled 

 and, in the space of half a century, they were found esta- 



latitude of 25° north, to 



« 



Sheep, also, and goats 

 haye multipHed enormously in the New World, as have also 

 the cat and the rat ; vmich last, as before stated, has been 

 imported unintentionally in ships. The dogs introduced by 

 man which have at different periods become wild in America, 

 hunted in packs, like the wolf and the jackal, destroying not 

 only hogs, but the calves and foals of the wild cattle and 

 horses. 



Besides the qiiadrupeds above enumerated, our domestic 

 fowls have also thriven in the West Indies and America, 

 where they have now the common fowl, the goose, the duck, 

 the peacock, the i^igeon, and the guinea-fowl. As these were 

 often taken suddenly from the temperate to very hot regions, 



* Quarterly Eeview, vol. xxi. p. 335. 



t UUoa's Voyage. Wood's Zoog. voL i. p. 9. 



