462 INDEX GENERUM MAMMALIUM. 
Nothocyon Marruew, 1899. Fer», Canidee. 
Bull. Am. Mus. Nat. Hist., N. Y., XII, 62, Apr. 8, 1899; Wortman & MATTHEW, 
ibid., XII, 124—128, 130, pl. v1, fig. 9 in text, June 22, 1899; Hay, Cat. Foss. 
Vert. N. Am., Bull. 179, U. S. Geol. Surv., 771 footnote, 1902 (type fixed). 
Species, 3: Cunis geismerianus Cope (type), C. lemur Cope, and Galecynus latidens 
Cope, from the Miocene of the John Day Valley, Oregon. 
Extinct. 
Nothocyon: v0§os, spurious; «ocv, dog. 
Nothropus Burmeister, 1882. Edentata, Megalonychidee. 
Sitzungsber. K. Preuss. Akad. Wiss., Berlin, Nr. xxvrir, 613-620, Taf. x1, 1882. 
Type: Nothropus priscus Burmeister, from the Rio Carcarafial, on the railroad 
between Rosario and Córdoba, province of Santa Fé, Argentina. 
Extinct. Based on the right half of a lower jaw. 
Nothropus: vofipós, sluggish, slothful; zovs, foot—i. e., a sloth. 
Nothrotherium LvpEkkEn, 1889. Edentata, Megatheriidee. 
LvDEÉKKER, in Nicholson & Lydekker’s Man. Paleeont., II, 1299, 1889. 
New name for Cevlodon Lund, 1838, which is preoccupied by Celodon ‘ Latreille,’ 
Serville, 1832, a genus of Coleoptera. 
Extinct. 
Nothrotherium: vw%pos, sluggish, slothful; 67píov, wild beast—i. e., an extinct 
sloth. 
Notictis AmEGHINo, 1889. Marsupialia,* ^ 
Cont. Conocimiento Mamíf. Fósil. Repüb. Argentina, in Act. Acad. Nac. Cien., 
Córdoba, VI, 911-912, pl. txxir fig. 14, 1889; Sin. Geol.-Paleont., in Segundo 
Censo Nacional, Repüb. Argentina, I, 191, 1898. 
Type: Notictis ortizii Ameghino, from the barrancas in the vicinity of the city of 
Paraná, Argentina. 
Extinct. ''Conozco la especie por dos fragmentos de la rama izquierda de la 
mand:bula inferior, uno de ellos con los cuatro ültimos dientes." 
Notictis: voros, south; Z«r:c, weasel. 
Notiocetus AmEGHINO, 1891. Cete, Baleenide. 
Revista Argentina Hist. Nat., I, entr. 3a, 167, fig. 75, June 1, 1891. 
Type: Notiocetus romerianus Ameghino, from the Pampean formation of Bahia 
Blanca, Argentina. 
Extinct. 
Notiocetus : vórtoc, southern; x«7jroc, whale. 
Notiomys (subgenus of /esperomys) THomas, 1890. Glires, Muridee, Cricetinee. 
Tuomas, in Milne-Edwards’ Mission Sci. Cap Horn, 1882-1885, VI, Mamm., A24— 
A206, pls. rr fig. 1, vir fig. 1, 1890; THomas, Proc. Zool. Soc. London, for 1896, 
1020, Apr., 1897 (raised to generic rank). 
Type: Hesperomys ( Notiomys) edwardsii Thomas, collected south of Santa Cruz, 
Patagonia (8. lat. 50°). 
Notiomys : VOTLOS, southern; 4c, mouse. 
Notiosorex (subgenus of Sorex) Batrp, 1877. Insectivora, Soricidee. 
Barrp, in Coues’ Notes Am. Insect. Mamm., Bull. U.S. Geol. & Geog. Surv. Terr., 
III, No. 3, pp. 648, 646-647, 651-652, May 15, 1877; Dosson, Mon. Insectivora, 
pt. rir, pl. x xir fig. 20, 1890 (raised to generic rank); Merriam, N. Am. Fauna, 
No. 10, pp. 81-34, fig. 2, pl. 111 figs. 4, 8, 15, 1895. 
Type: Sorex ( Notiosorex) crawfordi Baird, from Fort Bliss, Dona Ana County, New 
Mexico (opposite El Paso, Texas). 
Notiosorex: vórtoc, southern; +-Sorer—in allusion to the habitat of the type species. 

* **Caracteres intermediarios entre los Amphiproviverridx y Didelphys." (AMEGHINO, 
l. c., 1898.) 
