456 INDEX GENERUM MAMMALIUM. 
Neotoma Say & Orp, 1825. Glires, Muridee, Neotomine. 
Journ. Acad. Nat. Sci. Phila., IV, pt. 2, 345-349, pl. xxi-xxrr, 1825; Banas, Proc. 
Boston Soc. Nat. Hist., XXVIII, 184, 1898 (exact type locality). 
Nectoma Agassiz, Nomenclator Zool., Mamm., 22, 1842 (misprint). 
Type: Mus floridanus Ord, from the St. Johns River, probably in the vicinity of 
Jacksonville, Florida. 
Neotoma: véos, new; réuv c, to cut—in allusion to the teeth, which indicated a 
-new genus of rodent, distinct from Mus, to which the type species was origi- 
nally referred. 
Neotomodon Merriam, 1898. Glires, Murid:e, Neotomin:ze. 
Proc. Biol. Soc. Wash., XII, 127-129, Apr. 30, 1898. 
Type: Neotomodon alstoni Merriam, from Nahuatzin, Michoacan, Mexico. 
Neotomodon: Neotoma; 660v=66o0vs, tooth—from the molars, which are * .arge 
and very massive, with flat crowns and heavy enamel as in Neotoma.”’ 
Neotomys WarracE, 1876. Glires, Murid:e, Cricetinee. 
Geog. Dist. Animals, II, 250, 1876. 
Misprint for Nectomys Peters, 1861. 
Neotomys Tuomas, 1894. Glires, Murid:e, Cricetinze. 
Ann. & Mag. Nat. Hist., 6th ser., XIV, No. 83, pp. 346-349, Nov. 1, 1894. 
Type: Neotomys ebriosus Thomas, from the Valley of Vitoe, east central Peru. 
Neotomys: véos, new; +- Otomys—‘‘ both in external and cranial characters it has 
a eurious resemblance to Otomys, on which I have based its name."  (THnowas.) 

Neotragus (subg. of Antilope) H. Smrrn, 1827. Ungulata, Artiodactyla, Bovid:e. 
Griffith’s Cuvier, Animal Kingdom, [IV, 269, 1827]; V, 349-350, 1827; SuNDEVALL, 
K. Vetensk. Akad. Handlingar, Stockholm, for 1844, 191, 1846 (raised to generic 
rank); ScrATER & THomas, Book of Antelopes, II, pt. v, 59-66, pl. xxix, text 
fig. 26, Jan., 1896. 
Species: Antilope pygmxa Shaw (type), from West Africa; and A. madoka Smith, 
from Abyssinia. 
Neotragus: v EOS, new; TAY os, goat. 
Neovulpavus Worrman, 1901. Ferze, Canidee. 
Am. Journ. Sci., 4th ser., XI, 445, June, 1901. 
Type: Neovulpavus washakius Wortman (= Vulpavus palustris Wortman & Mat- 
thew, 1899), from the Eocene of the Washakie Basin, Wyoming. 
Extinct. 
Neovulpavus: véos, new; + Vulpavus—on account of the loss of the third upper 
molar, which indicates an intermediate step between Procynodictis and 
Vulpavus. 
Neoziphius Gray, 1871. Cete, Physeteridee. 
Suppl. Cat. Seals & Whales Brit. Mus., 101, 1871. 
Type: Dioplodon europxus Gervais, from the Mediterranean Sea. 
Neoziphius: véos, new; + Ziphius. 
Nephacodus AMEGHINO, 1902. Ungulata, Condylarthra, Phenacodontide. 
Bol. Acad. Nac. Cien. Córdoba, XVII, p. 19, May, 1902 (sep. p. 17). 
Type: Nephacodus latigonus Ameghino, from the Notostylops beds of Patagonia. 
Extinct. 
Nephacodus: Anagram of Phenacodus. 
Nephotherium Amrcuino, 1886. Edentata, Megatherlid:e. 
Bol. Acad. Nat. Cien. Córdoba, IX, 182-184, 1886. 
Type: Mylodon? ambiguus Ameghino, from the older Tertiary formations of 
Paraná, Argentina. 
Extinct. Based on the lower third molar of the right side and a portion of the 
lower jaw. 
