464 INDEX GENERUM MAMMALIUM. 
Notorhinus Rorn, 1903. Ungulata, Astrapotheroidea, Astrapotheriidze. 
Revista Mus. La Plata, XI, 136, 1903. 
Species: Notorhinus haroldi Roth, and .N. denticulata Roth, from the upper ' Cre- 
taceous’ of Lago Musters, Territory of Chubut, Patagonia. 
Extinct. 
Notorhinus: vóros, south; fis, Divos, nose. 
Notoryctes *"rigLiNG, 1891. Marsupialia, Notoryctid:e. 
Trans. Roy. Soc. South Australia, XIV, pt. i I, 154—187, pls. 1-1x, July, 1891; pt. 
1r, 283-291, pl. xir, Dec., 1891; TnRovEssaAnT, La Nature, No. 958, pp. 290-294, 
4 figs. in text, Oct., 1891; i DEKKER, Royal Nat. Hist., III, 276-277, 3 figs., 1895. 
Type: Notoryctes typhlops ( = Psammoryctes typhlops Stirling), from Idracowra Cat- 
tle Station, Finke River, about 100 miles from Charlotte Waters, Alexandra 
Land, Central Australia. 
The genus was originally described in 1888, but was not named until 1889, when 
it was called Psammoryctes. This name, being preoccupied by Psammoryctes 
Peeppig, 1835, a genus of Glires, was replaced by Notoryctes in 1891, when the 
species was fully described. 
Notoryctes: vóros, south; dpvKrns, digger—i. e., a ‘southern mole.’ 
Notostylops Amrcuino, 1897. Tillodontia, Notostylopidee. 
La Argentina al través de las Ultimas Epocas Geológicas, 16, 26, 27, 2 figs., 
1897; Bol. Inst. Geog. Argentino, XVIII, 488-490, figs. 67-68, Oct. 6, 1897. 
Species, 3: Notostylops murinus Ameghino, NV. bicinctus Ameghino, and N. parvus 
Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinct. 
Notostylops: vóros, south; 6r0Aos, pillar; ow, aspect. 
Nototherium Owen, 1845. Marsupialia, Diprotodontide. 
Rept. Brit. Ass. Adv. Sci, for 1844, XIV, 231-236, 1845; ''Cat. Mamm. and 
Aves Mus. Roy. Coll. Surgeons, 314, 1845." 
Species: Nototherium inerme Owen, from Australia; and N. mitchelli Owen, from 
from the Pleistocene of the Condamine River, Queensland, Australia. 
Extinct. 
Nototherium: voros, south; 67píov, wild beast. 
Nutria Gray, 1865. Fer, Mustelide. 
Proc. Zool. Soc. London, 1865, 128-129; Cat. Carn., Pachyderm., & Edentate 
Mamm. Brit. Mus., 106-107, 1869. 
Type: Lutra felina Molina, from Chile. 
Nutria: Span. nutria, or nutra, otter (from Lat. lutra, otter). 
Nyctalus (subgenus) Bowpicu, 1825. Chiroptera, Pteropodid:e. 
Excursions in Madeira and Porto Santo, 36, 1825. 
Type: Nyctalus verrucosus Bowdich, from Madeira. ‘‘It forms a new subgenus 
between pharopus [ Pteropus] and cephalotes.’’ (BownpicH. ) 
Nyctalus: vvkraAós (—vv6raAóc), drowsy—in allusion to its crepuscular 
habits. 
Nyctalus (subgenus of Vespertilio) Lesson, 1842. Chiroptera, Vespertilionide. 
Nouv. Tableau Régne Animal, Mamm., 27, 1842. 
Species, 4: Vespertilio temminckii Horsfield, from Java; V. belangeri I. Geoffroy, 
from Pondicherry, India; Nycticejus heathii Horsfield, from Madras, India; and 
N. alecto Gervais, from Manila, Philippine Islands. 
Name preoccupied by Nyctalus Bowdich, 1825, a genus of Pteropodid:e. 
Nyctemene (see Nyctimene ). Chiroptera, Pteropodid:ze. 
Nyctereutes Temminck, 1888-39. Fer, Canide. 
Van der Hoeven’s Tijdschrift Natuur. Geschied. Physiol., V, 285, 1838-39; Gray, 
List Osteol. Spec. Brit. Mus., p. x, 18, 1847; Cat. Carn., Pachyderm., & Edentate 
Mamm. Brit. Mus., 210, 1869. 
