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ECONOMIC ZOOLOGY 



of course, belong, are also used for food, and efforts are being made to 

 extend their use, under the name of "marsh hare" or other trade names. 

 Woodchucks, beavers, porcupines, Fig. 166, guinea pigs and other 

 rodents may also be eaten but, with the exception of the last named, 

 are not sufficiently numerous to be of much economic importance, in 

 most localities. Even rats and mice are eaten in many countries, but 

 are not likely to become popular among Caucasians, though they 

 have been eaten during sieges when food was very scarce. 



PIG. 167. Two-toed sloth, Choloepus didactylus. X%. (From Ingersoll, The 

 Life of Mammals, after Sanborn, N, Y. Zool. Soc.) 



Edentata. Sloth, Armadillos, Anteaters. These animals are 

 found almost entirely in South America, though the Armadillo is found 

 in the extreme southern part of the United States, and related forms 

 inhabit the eastern hemisphere. As indicated by the name they are 

 either without teeth in the adult condition or have imperfect teeth 

 without roots or enamel. The incisors and canines are rarely present. 



Three families of Edentates are recognized: the sloths (Brady- 



