934 INDEX GENERUM MAMMALIUM. 
HYRACOIDEA.^ 
ARCHZEOHYRACIDZE. 
Archaeohiracidz AMEGHINO, 1897. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Acoelohyrax AMEGHINO, 1902........ Acoelohyrax coronatus, Patagonia. 
Archeohyrax AMEGHINO, 1897 ...... Archxohyrax patagonicus, A. propheticus, Patag. 
Argyrohyrax AMEGHINO, 1897...... Argyrohyrax proavus, A. proavunculus, Patagonia. 
Choichephilum AMEGHINO, 1899 ..... Choichephilum diastematum, Deseado, Patagonia, 
1 Clorinda AMEGHINO, 1895 ......... Clorinda cliva, Patagonia. (See Plagiarthrus. ) 
_Eohyrax AMEGHINO, 1901........... Eohyrax rusticus, E. strangulatus, Patagonia. 
? Nesciotheriwm RoTH, 1898. ......... Nesciotherium indiculus, Patagonia. 
Notohyrax AMEGHINO, 1901......... Notohyrax conicus, Patagonia. 
Plagiarthrus AMEGHINO, 1896 ........ New name for Clorinda Ameghino, 1895. 
Pseudlurax AMEGHINO, 1901........ Pseudhyrax eutrachytheroides, Patagonia. 
ACOELODIDZE. 
Acoelodidae AMEGHINO, 1901. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Acoelodus AMEGHINO, 1897.........- Acoelodus oppositus, Patagonia. 
Anchistrum AMEGHINO, 1901........ Anchistrum sulcosum, Patagonia. 
Oldfieldthomasia AMEGHINO 1901 .... Oldfieldthomasia furcata, O. cuneata, O. cingulata, 
O. marginalis, O. conifera, O. parvidens, O. pul- 
chella, O. transversa, O. septa, O. anfractuosa. 
PROCAVIIDZE. 
Hyracide Gray, 1821. Procaviide THomas, 1892. 
Pliohyracidae OsBoRN, 1899 ( provisional). 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Dendrohyrax GRAY, 1868............ Huyrax dorsalis, West Africa; H. arboreus (type), 
South Africa; Dendrohyrax blainvillii, E. Africa. 
Euhyraxi(RAY MIG0S eec e e Hyrax habessynicus, Ankober, Abyssinia. 
Hoterohyrax (GRAY, 18685-9959. Dendrohyrax blainvillii, East Africa. 
Hyrax-HERMANN, 1788.---.--...--- Cavia capensis, Cape of Good Hope. 
? Megalohyrax ANDREWS, 19083....... Megalohyrax eocenus, Fayüm, Egypt. 
? Palahyrax HAECKEL, 1895. .-.....- Hypothetical Eocene genus. 
Pliohuyrax OsBonN, 1899 ...--------- Hyrax kruppii, Samos, Greece. 
ProcaviaisloRR, CoU sae eee eee Cavia capensis, Cape of Good Hope. 
?Saghatherium ANDREWS & Brap- Saghatherium antiquum, S. minus, Egypt. 
NELL, 1902. 
LITOPTERNA. 
ADIANTHIDZE. 
Adianthide AMEGHINO, 1891. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Adianthus AMEGHINO, 1891......... Adianthus bucatus, southern Patagonia. 
Proadiantus AMEGHINO, 1897 ....... Proadiantus excavatus, Patagonia. 
Pseudadiantus AMEGHINO, 1901...... Pseudadiantus secans, P. imperfectus, Patagonia. 

*HuxrEv, Introd. Classif. Animals, p. 101, 1869. 
^ AMeaHino, Cont. Conocimiento Mam. Fos. Repüb. Argentina, in Act. Acad. Nac., 
Ciencias, Córdoba, VI, pp. 492, 523, 1889. See also CoPE, Am. Naturalist, XXV, pp. 
685-693, pl. XVII, text figs. 1-5, August, 1891. 
