364 INDEX GENERUM MAMMALIUM. 
Laoceras (subg. of Tinoceras) Marsu, 1886. Ungulata, Amblypoda, Uintatheriide. 
Mon. U.S. Geol. Surv., X, Dinocerata, App. 216, pl. xix, figs. 5, 18, 19, 24, 29, 
52, 67, in text, 1886. 
Type: Tinoceras pugnax Marsh, from the Eocene (Dinoceras beds) of Haystack 
Mountain, Sweetwater County, Wyoming. 
Extinct. Based on a skull. 
Laoceras: Acc, AGos, stone; «£pas, horn. 
Laodon Mansu, 1887. Marsupialia, Amphitheriide. 
Am. Journ. Sci. & Arts, 3d ser., XXXIII, 337-338, 343, pl. rx, fig. 5, Apr., 1887. 
Type: Laodon venustus Marsh, from the Upper Jurassic of Wyoming. 
Extinct. Based on a left lower jaw. 
Laodon: Adas, A&os, stone; 66@v=ddovs, tooth. 
Laopithecus Marsu, 1875. Ungulata, Artiodactyla, Suide. 
Am. Journ. Sci. & Arts, 3d ser., IX, 240-241, Mar., 1875; MarruEWw, Bull. Am. 
Mus. Nat. Hist., N. Y., XII, 59, 1899; OsBORN, ibid, XVI, 169, June 28; 
1902 (ordinal position). 
Type: Laopithecus robustus Marsh, from the Oligocene ‘of the Bad Lands,’ of 
Nebraska, about 30 miles south of the Black Hills. 
Extinct. Based on a lower jaw. 
Laopithecus: | A Gas, Ados, stone; zí050s, ape—from the fact that the genus was 
originally supposed to belong to the Primates. 
Laratus Gray, 1821. Primates, Simiidee. 
London Med. Repos., XV, 297, Apr. 1, 1821. 
Type: Simia lar ( — Homo lar Linnzeus), from the Malay Peninsula. See Hylobates 
Illiger, 1811. 
Laratus: Latinized form of lar, the specific name of the white-handed gibbon. 
Laria (subgenus of Macrorus) Gray, 1867. Glires, Sciurid:ze. 
Ann. & Mag. Nat. Hist., 3d ser., X X, 276, Oct., 1867; THomas, Proc. Zool. Soc. 
London, 1897, 933. 
Type: Sciurus insignis Horsfield, from Sumatra and Java. 
Name preoccupied by Laria Scopoli, 1763, a genus of Coleoptera. 
Laria: Lary, the supposed native name. ‘‘ Miller & Schlegel suggest that as 
they never heard the term ‘Lary’ applied to this squirrel, as stated by Hors- 
field, the term, perhaps, was given in joke by some native, inasmuch as larie 
means to run." (ANDERsoN, Yunnan Expd., I, 262 footnote, 1878.) 
Lasiomys BunuzisTER, 1854. Glires, Octodontidz. 
Abhandl. Naturforsch. Gesellsch. Halle, II, Sitzungsber. 1tes Quartal, 15-17, Sitz. 
18ten Mürz, 1854. 
Type: Lasiomys hirsutus Burmeister, from Maracaibo, Venezuela. 
Lasiomys: ÀA&610s, hairy; “0s, mouse. 
Lasiomys PrrrEns, 1866. Glires, Muride, Murine. 
Monatsber. K. Preuss. Akad. Wiss., Berlin, 1866, 409. 
Type: Lasiomys afer Peters, from Guinea. 
Name preoccupied by Lasiomys Burmeister, 1854, a genus of Octodontide. 
Replaced by Lophuromys Peters, 1874. 
Lasionycteris Prerers, 1865. Chiroptera, Vespertilionide. 
Monatsber. K. Preuss. Akad. Wiss., Berlin, Dec., 1865, 648. 
Type: Vespertilio noctivagans Le Conte, from the Eastern United States, exact 
locality not given. 
Lasionycteris: A&610s, hairy; vuKrepis, bat—irom the interfemoral membrane 
which is furred on the basal half of the upper surface. 
Lasiopodomys (subg. of Microtus) LaTAsTE, 1887. Glires, Murid:e, Microtinze. 
Ann. Mus. Civ. Storia Nat. Genova, ser. 2*, IV, 268-270, 273-274, 1887; MILLER, 
N. Àm. Fauna, No. 12, p. 18, July 23, 1896. 
