STICHOMYS—STREPSICEROS. 649 
Stichomys AmEGHINo, 1887. Glires, Octodontide. 
Enum. Sist. Especies Mamíf. Fés. Patagonia Austral, p. 10, Dec., 1887. 
Species: Stichomys regularis Ameghino, and 5. constans Ameghino, from the lower 
Tertiary of the Rio Santa Cruz, southern Patagonia. 
Extinct. 
Stichomys: 6ríxyos, line; 4c, mouse. 
Stilauchenia AwxkanriNo, 1889. Ungulata, Artiodactyla, Camelid:e. 
Cont. Conocimiento Mamíf. Fósil. Repüb. Argentina, in Act. Acad. Nac. Cien., 
Córdoba, IV, 591-593, pls. xxxv fig. 4, xxxvi fig. 7, 1889. 
Type: Palaolama owenii H. Gervais & Ameghino, from the Pampean formation 
in the vicinity of ‘La Laguna del Chichi,’ in the southern part of the province 
of Buenos Aires, Argentina. 
Extinct. ‘‘Fundé la especie . . . sobre un maxilar superior. . . en el que se 
conservaban implantados el ültimo premolar, y los tres verdaderos molares." 
Stilauchenia: **6r9Ày, colonnette; -|4uchenia. | ( AwEanrNo.) 
Stilodon (see Stylodon). Marsupialia, Amphitheriidee. 
Stilotherium AmeGcHtino, 1887. Marsupialia, Garzonid:e. 
Enum. Sist. Especies Mamif. Fós. Patagonia Austral, p. 7, Dec., 1887. 
Type: Stilotherium dissimile Ameghino, from the lower Tertiary of the Rio Santa 
Cruz, Patagonia. 
Extinct. 
Stilotherium: ** 6r A59, colonnette; 05otor, wild beast." (AMEGHINO. ) 
Stolicnus (see Otolienus). Primates, Lemurid:e. 
Strabosodon AwEeaGuiwo, 1891. Edentata, Megatheriidze. 
Revista Argentina Hist. Nat., I, entr. 3a, 161, figs. 67-68, June 1, 1891. 
e 3 , , , e , , 
Species: Strabosodon acuticavus Ameghino, from the lower Oligocene in the 
5 , D 
vicinity of the city of Paraná; and S. obtusicavus Ameghino, from the lower 
Oligocene of the Arroyo Espinillo, 15 miles from the city of Paraná, Argentina. 
Extinct. 
Strabosodon: 6tpafos, distorted, oblique; d5@v = ddov's, tooth. 
Strangaliocerus, Strangyloceros (see Strongyloceros). Ungulata, Cervidze. 
Strata AmEGHINo, 1886. Glires, Caviidee. 
Bol. Acad. Nac. Cien. Córdoba, IX, 70-71, 1886. 
Type: Strata elevata. Ameghino, from the older Tertiary formations of Paraná, 
Argentina. 
Extinct. Based on a left lower incisor. 
Strata: Lat. strata, a paved road, a layer. 
Strepriceros RariNEsQUE, 1817. Ungulata, Artiodactyla, Bovid:ze. 
Am. Monthly Magazine, I, No. 6, p. 437, Oct., 1817. 
Probably a misprint for Strepsiceros Rafinesque, 1815. 
* My genus Strepriceros includes the species of goats and antelopes with spiral 
horns." The only species here mentioned is Strepriceros eriphos Rafinesque, 
based on the ‘Cabree’ or Missouri antelope of Leraye, from the plains of the 
Missouri River. 
Strepsiceros Fniscu, 1775. Ungulata, Artiodactyla, Bovid:e. 
Das Natur-System vierfüss Thiere, in Tabellen, Tab. Gen., 1775; RAFINESQUE, 
Analyse de la Nature, 56, 1815; H. Smirn, Griffith’s Cuvier, Animal Kingdom, 
V, 365-366, 1827 (subgenus of Damalis); Gray, List Spec. Mamm. Brit. Mus., 
pp. xxvi, 155, 1843 (full genus); SctLATER & THomas, Book of Antelopes, IV, 
171-192, pls. xcvr-xcvir, text figs. 114, 115, 1900. 
Type: ‘Der Zickelwidder.’ The type of Rafinesque’s genus is Antilope strepsiceros 
Pallas, 1766 (=Strepsiceros capensis A. Smith, 1834,) from Cape Colony, South 
Africa. 
Strepsiceros: Orpewikepws, an antelope with twisted horns—in allusion to the 
spirally twisted horns of the male. 
