_Octodon_ | 3 | Chili, Peru, and | | | Bolivia | 98. _Ctenomys_ | 6 | S. Brazil to Tierra | | | del Fuego | | | | ECHIMYIDÆ. | | | 99. _Dactylomys_ | 2 | Guiana and Brazil | 100. _Cercomys_ | 1 | Central Brazil | 101. _Lasiuromys_ | 1 | St. Paulo, Brazil | 102. _Myopotamus_ | 1 | S. half of tropical | | | S. America | 103. _Carterodon_ | 1 | Central Brazil | 104. _Mesomys_ | 1 | Upper Amazon | 105. _Echimys_ | 11 | Equatorial America | | | to Paraguay | 106. _Loncheres_ | 10 | New Granada to Brazil| | | | CERCOLABIDÆ. | | | 107. _Cercolabes_ | 12 | Mexico to Paraguay | 108. _Chætomys_ | 1 | N. Brazil | | | | CAVIIDÆ. | | | 109. _Dasyprocta_ | 9 | Paraguay to Mexico | | | and Lesser Antilles| 110. _Coelogenys_ | 2 | Guatemala to Paraguay| 111. _Hydrochoerus_| 1 | Guiana to La Plata | 112. _Cavia_ | 9 | Brazil and Peru to | | | Magellan Sts. | 113. _Kerodon_ | 6 | Brazil and Peru to | | | Magellan Sts. | 114. _Dolichotis_ | 1 | The Pampas and | | | Patagonia | | | | LEPORIDÆ. | | | 115. Lepus | 1 | Central Brazil and | All regions but | | Andes, Costa Rica | Austral. | | to Mexico | | | | EDENTATA. | | | BRADYPODIDÆ. | | | 116. _Choloepus_ | 2 | Costa Rica to Brazil | 117. _Bradypus_ | 2 | Amazon to Rio de | | | Janeiro | 118._Arctopithecus_| 8 | Costa Rica to Brazil | | | and Bolivia | | | | DASYPODIDÆ. | | | 119. _Tatusia_ | 5 | Rio Grande, Texas, | | | to Patagonia | 120. _Prionodontes_| 1 | Surinam to Paraguay | 121. _Dasypus_ | 4 | Brazil to Chili and | | | La Plata, Costa Rica?| 122. _Xenurus_ | 3 | Guiana to Paraguay, | | | Costa Rica? | 123. _Tolypeutes_ | 2 | Bolivia and La Plata |