564 INDEX GENERUM MAMMALIUM. 
Proadiantus AMEGHINO, 1897. Ungulata, Litopterna, Adianthide. 
La Argentina al través de las Ultimas Épocas Geológicas, 18, 1897 (nomen 
nudum); Bol. Inst. Geog. Argentino, XVIII, 455-456, fig. 42, Oct. 6, 1897. 
Type: Proadiantus excavatus Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinct. 
Proadiantus: 750, before; + Adianthus. 
Proadinotherium AmeEGcHINo, 1895. : Ungulata, Toxodontia, Nesodontidee. 
Bol. Inst. Geog. Argentino, XV, cuad. 11-12, pp. 625-626, 1895 (sep. pp. 25-26). 
Type: Proadinothcrium leptognathum Ameghino, from the Pyrotherium beds in 
the interior of Patagonia. 
Extinct. 
Proadinotherium: 70, before; -- Adinotherium. 
Proailurus FiLuor, 1879. Fere, Felide. 
* Ann. Sci. Géol. de France, X, art. 3, p. 192, 1879;" ‘‘ Bibl. École des Hautes 
Études, 192-198, pls. 26 figs. 2-11, 27, figs. 5-13, 1879" (fide TRovEssAnT, Cat. 
Mamm. Viv. et Foss., Carnivora, in Bull. Soc. Études Sci. d' Angers, Suppl. à 
Ann. 1884, 91, 1885. 
Proxlurus FonBEs, Zool. Record for 1880, XVII, Mamm., 15, 1881. 
Species: Proailurus julieni Filhol, and P. lemanensis Filhol, from the Miocene of 
St.-Gérand-le-Puy, France. 
Extinct. 
Proailurus: 2p06, before; ailovpos, cat. 
Proamphicyon Harcuer, 1902. Fer, Canide. 
Mem. Carnegie Mus., I, 95-99, 105, figs. 6-7, Sept., 1902. 
Type: Proamphicyon nebrascensis Hatcher, from the Oligocene (Orcodon beds) of 
Jad Land Creek, Sioux County, Nebraska. 
Extinct. Based on ‘ 
Proamphicyon: po, before; +.4mphicyon—i. e., ancestral to Amphicyon, of the 
Loup Fork Miocene. 
a skull without lower jaw.’ 
Proanthropomorphus AMEGHINO, 1884. Primates, ? 
Filogenia, 386, 1884; Cont. Conocimiento Mamif. Fósil. Repub. Argentina, in 
Act. Acad. Nac. Cien., Córdoba, VI, 99, 1889. 
Hypothetical genus: ‘Precursor del Anthropomorphus.’ 
Proanthropomorphus: po, before; +-Anthropomorphus. 
Proasmodeus AMEGHINO, 1902. Ungulata, Ancylopoda, Homalodontotheriide. 
Bol. Acad. Nac. Cien. Córdoba, XVII, 23-25, May, 1902 (sep. pp. 21-23). 
Type: Asmodeus armatus Ameghino, from the Astraponotus beds of Patagonia. 
Extinet. j 
Proasmodeus: 70, before; -J- Asmodeus. 
Probalaena VAN BENEDEN, 1872. Cete, Baleenidee. 
Bull. Acad. Roy. Sci. de Belgique, 2* sér., X XXIV, 10-11, 1872. 
Emendation of Protobalena. ‘Ce genre Probalena, pour ne pas dire Protoba- 
lena, a été proposé par M. Du Bus en 1867.” 
Extinct. 
Probalena: Lat. pro, before; 4-.Balzna. 
Proborhyaena AmEGHINO, 1897. Marsupialia, Borhyzenidee, 
La Argentina al través de las Ultimas Epocas Geológicas, 13, 1897 (nomen 
nudum); Bol. Inst. Geog. Argentino, XVIII, 501—502, fig. 78, Oct. 6, 1897. 
Species: Proborhyaena gigantea Ameghino, and P. antiqua Ameghino, from the 
‘Cretaceous’ of Patagonia. 
Extinet. 
Proborhyena: 76, before; + Borhyena. 
