ARCH ZOPHYLUS—ARCHILAGUS. 115 
Archeophylus Amecurno, 1897. Ungulata, Typotheria, Interatherid:e. 
La Argentina al través de las Ultimas Epocas Geológicas, 6, 17 footnote, 1 fig. in 
text, 1897; Bol. Inst. Geog. Argentino, XVIII, 425—424, fig. 9, Oct. 6, 1897. 
Type: Archxophylus patrius Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinct. 
Archxophylus: àpyatos; primitive; oOAov, race. 
Archezopithecus Awrauriwo, 1807. Primates, Archzeopithecide. 
La Argentina al través de las Ultimas Epocas Geológicas, 5, 13 footnote, 1 fig. in 
text, 1897; Bol. Inst. Geog. Argentino, X VIII, 422-423, fig. 8, Oct. 6, 1897. 
Type: Archxopithecus rogeri Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinct. 
Archxopithecus: aoyaios, primitive; z7077«06, ape. 
Archzeoplus AmEGHINO, 1898. Ungulata, Ancylopoda, Isotemnid:e. 
Revue Scientifique, 4° sér., X, 74, July 16, 1898; Sin. Geol.-Paleeont., in Segundo 
Censo Nacional, Repüb. Argentina, I, 174, 1898. 
Type: Archxoplus incipiens Ameghino, from the ‘ Cretaceous’ of Patagonia. 
Extinct. 
Archzoplus: Gpxatos, primitive; 0rAov, arms. 
Archaeotherium Leipy, 1850. Ungulata, Artiodactyla, Suidee. 
Proc. Acad. Nat. Sci. Phila., 1850-51, 92-93. 
Type: Archaeotherium mortoni Leidy, from the Oligocene of the Bad Lands in the 
vicinity of Fort Laramie, Wyoming. 
Extinct. Based on ‘ part only of the face.’ 
Archaeotherium: &pyatos, primitive; Iypior, wild beast. 
Archaeotypotherium Rorn, 1903. Ungulata, Typotheria, Typotheriid:e. 
Revista Mus. La Plata, XI, 152-153, 1903. 
Type: Archacotypotherium transitum. Roth, from the lower Tertiary of Canadon 
Blanco, Territory of Chubut, Patagonia. 
Extinct. Based on part of the upper jaw with three molars. 
Archxotypotherium: dpxyaros, primitive; + Typotherium. 
Archaeutatus AmEGHINO, 1902. Edentata, Dasy podid:e. 
Bol. Acad. Nac. Cien. Córdoba, X VII, 56-57, May, 1902 (sep., pp. 54-55). 
Type: Archaeutatus malaspinensis Ameghino, from the Pyrotherium beds of Pata- 
gonia. 
Extinct. 
Archaeutatus: &pyatos, primitive; -I- Eutatus. 
Archibradys Harcker, 1895. Edentata, v8 
Syst. Phylogenie Wirbelthiere, III, 516, 1895. 
Hypothetical genus; the supposed ancestor of the Xenarthra. 
Archibradys: &pxt, primitive; pa8vs, slow (constituent of Bradypus. ) 
Archididelphys Harcxer, 1895. Marsupialia, 5 
Syst. Phylogenie Wirbelthiere, IIT, 466, 1895. 
Hypothetical genus, including the carnivorous marsupials from the Jura. 
Archididelphys: &poxt, primitive; + Didelphys. 
Archidiskodon (subgenus of Elephas) Ponric, 1888. Ungulata, Elephantidee. 
Nova Acta Acad. Cees. Leop.-Carol., LIII, Nr. 1, pp. 158, 252, numerous figs., 1888. 
Type: Elephas meridionalis Nesti, from UNS Europe. 
Extinct. 
Archidiskodon: &pxt-, primitive; diskos, disk; 66@v=06o0vs, tooth—in allusion 
to the enamel disks of the molars. 
Archilagus Harcken, 1895. Glires, ? 
Syst. Phylogenie Wirbelthiere, III, 502, 1895. 
Hypothetical genus. ‘‘Atayus omnium Rodentium.”’ 
Archilagus: &pxi-, primitive; Aay os, hare. 
