. The animals of the world. Brehm's life of animals;. Mammals. 878 THE RODENTS OR GNAWING ANIMALS. less they cannot be exterminated without the help of some natural antagonists such as Ferrets. Unless Polecats, Weasels or Martens have multiplied con- siderably in a particular locality, or there are Screech Owls or other kindred birds of prey to destroy them, a diminution of their numbers is of rare occurrence. Rabbits Often a In localities favorable to their mul- MenacetoAgri- tiplication, Rabbits may become a culture. i-ea.! pest and exceedingly prejudi- cial to agriculture. In New Zealand an
. The animals of the world. Brehm's life of animals;. Mammals. 878 THE RODENTS OR GNAWING ANIMALS. less they cannot be exterminated without the help of some natural antagonists such as Ferrets. Unless Polecats, Weasels or Martens have multiplied con- siderably in a particular locality, or there are Screech Owls or other kindred birds of prey to destroy them, a diminution of their numbers is of rare occurrence. Rabbits Often a In localities favorable to their mul- MenacetoAgri- tiplication, Rabbits may become a culture. i-ea.! pest and exceedingly prejudi- cial to agriculture. In New Zealand and in Aus- tralia, where they have prodigiously multiplied in some localities to such an extent as to entirely. AMERICAN VARYING HARE. This is the typical American spe- cies of the Hare family, of which there are many varieties, the one shown in the picture being scientifically known as Baird's variety, inhabiting the Rocky mountain region. {Lepus americanus dairdii.) consume the pasturage of domestic Cattle, the at- tempt to exterminate them has so far been in vain. How seriously damage caused by them is estimated may be seen from the fact that the government of New South Wales has expended over one million pounds sterling in bounties for the killing of the animals during the last decade and finally promised a reward of fifty thousand pounds to the inventor of an effective method of exterminating the pests. Poison, nooses, Ferrets, wire fences, etc., have proved insufficient to check the damage done by these Rodents. An experiment, said to be successful in France at least, has been made in that country by Pasteur. His plan to exterminate Rabbits quickly and thoroughly is to infect them with Chicken chol- era by mixing with their food the germs producing the disease; the experiment has been repeated in Australia on a large scale, but is said to have been unsuccessful. Origin The tame Rabbit undoubtedly owes of the Tame its parentage to the wild one; for Rabbit. while the latter
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmammals, bookyear1895
