114 INDEX GENERUM MAMMALIUM. 
. Ww 
Archelurus—Continued. 
Type: Archelurus debilis Cope, from the Miocene (John Day) of Oregon. 
Extinct. 
Archxlurus: &oyatos, primitive; a7Aovpos, cat. ‘‘The characters place Arch- 
vlurus at the base of the Felidx, showing that it is the most generalized form 
yet known." (Cope. ) 
Archzenodon (see Achzenodon). Ungulata, Artiodactyla, Suidze. 
Archaeocetus SrNzow, 1898. Cete, Delphinid:e. 
** Verhandl. Russ. Min. Ges., XXXV, 118, pls. 8-9, 1898"' (fide TrovEssart, Cat. 
Mamm., new ed., fasc. v, 1071-1072, Nov., 1898). 
New name for Pachypleurus Brandt, 1873, which is preoccupied by Pachypleura 
White, 1853, a genus of Coleoptera. 
Extinct. 
Archaeocetus: @pyaios, primitive; «?jroc, whale. 
Archeochegus GiGriorr, 1873. Ungulata, Artiodactyla, ? 
Ricerche Intorno Dist. Geog. Gen., 165, 1873. 
Archxochegus occurs only in a list of Miocene genera of Artiodactyls with Poebro- 
therium, Leptomeryx, Agriocherus, etc. It is unaccompanied by authority or 
reference to place of description, and is probably only a misprint. 
Archaeodolops Amecuino, 1903. Allotheria, Polydolopid:e. 
Anales Mus. Nac. Buenos Aires, IX (ser. 3*, II), 150, 174, figs. 75, 103, July 18, 
1903. 
Type: Archaeodolops clavulus Ameghino, from the Notostylops beds of Patagonia. 
Extinct. Based on part of the left lower jaw. 
Archaeodolops: &pxaios, primitive; +(Poly)dolops. 
Archeohyrax AMEGHINO, 1897. Ungulata, Hyracoidea, Archeeohyracidee. 
La Argentina al través de las Ultimas Epocas Geológicas, 3-9, 16 footnote, 1 fig., 
1897; Bol. Inst. Geog. Argentino, X VIII, 431—435, figs. 14-19, Oct. 6, 1897. 
Species: Archxohyrax patagonicus Ameghino, and A. propheticus Ameghino, from 
the ‘Cretaceous’ of Patagonia. 
Extinct. 
Archxohyrax: apxavos, primitive; + Hyrax. 
Archeolemur FitHor, 1895. Primates, Lemuride. 
Bull. Mus. Hist. Nat., Paris, No. 1, p. 13, Feb. 1895; Carus, Zool. Anzeiger, 
X VIII, No. 480, p. 240, July 22, 1895. 
Type: Archxolemur majori Filhol, from Bélo, Madagascar. 
Extinct. Based on a humerus and the upper part of the radius and ulna. 
Archxolemur: apxaios, primitive; + Lemur—in allusion to the humerus, which 
somewhat resembles that of Hapalemur. 
Archaeolophus AMEGHINO, 1897. Ungulata, Pyrotheriide. 
La Argentina al través de las Ultimas Épocas Geológicas, 15, 1897 (nomen 
nudum); Bol. Inst. Geog. Argentino, XVIII, 447-448, fig. 31, Oct. 6, 1897. 
Type: Archaeolophus precursor Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinct. 
Archxolophus: &pyaios, primitive; Ad@os, neck, crest. 
, 
Archeomys Laizer & Panrgv, 1839. Glires, Theridomyide. 
Comptes Rendus, Paris, VIII, No. 6, p. 206, Jan.-June, 1839; X, 929, 1840. 
New name for Palzormys Laizer & Parieu, 1839, which is preoccupied by Paíaeomys 
Kaup, 1832, a genus of Castorid:e. 
Extinct: 
Archxomys: dpxyatos, primitive; 0s, mouse. 
