The Encyclopedia britannica; a dictionary of arts, sciences, and general literatureWith new maps, and original American articles by eminent writersWith American revisions and additions, bringing each volume up to date . the skull short and broad; molars with externaland internal enamel folds. Subfamily 1. SpingurinsB.—Molars rooted; clavicles perfect;soles of feet tuberculate 1 ; teats four; tail generally Nearctic and Neotropical. There are three genera, including .several species. Of theseErcthizon dorsatus, the Urson, is distributed all over the forestregions of North A
The Encyclopedia britannica; a dictionary of arts, sciences, and general literatureWith new maps, and original American articles by eminent writersWith American revisions and additions, bringing each volume up to date . the skull short and broad; molars with externaland internal enamel folds. Subfamily 1. SpingurinsB.—Molars rooted; clavicles perfect;soles of feet tuberculate 1 ; teats four; tail generally Nearctic and Neotropical. There are three genera, including .several species. Of theseErcthizon dorsatus, the Urson, is distributed all over the forestregions of North America ; Symtliercs {= Ccniolahes) prcheTisilis^the well-known prehensile-tailed Porcupine of South America(fig. 9^),?has the whole upper surface of the body protected by longwhite-tipped spines ; Chsstomys subsptnosiis is clothed with strongwavy bristles; in the kst two genera the feet have four digits o;ily. Subfamily 2. HystricinEB. —Mulars semi-rooted ; clavicUsimperfect; soles of feet smooth; teats six; tail not Palaearctic, Indian, and Etliiopian. Uysirix cristata, the Common Porcupine of southern Europe andnoithern Africa, is typical ofthlsgeuus, which includes several ollict.
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Keywords: ., bookauthorbaynesth, bookcentury1800, bookdecade1890, bookyear1892
