366 INDEX GENERUM MAMMALIUM. 
Latax—Continued. 
Type: Lutra lataxina F. Cuvier, from South Carolina. 
Name preoccupied by Latax Gloger, 1827, a genus of sea otters. Replaced by 
Lataxia Gervais, 1855, but the form Latavina Gray, 1843, is earlier. 
Lataxia Gervais, 1855. Ferz, Mustelidze. 
Hist. Nat. Mamm., II, 118, 1855. : 
Species, 6: From America: Lutra lataxina F. Cuvier; L. insularis F. Cuvier; L. 
californica Gray; L. chilensis Bennett; L. peruviensis Gervais; LL. platensis Water- 
house, and L. parwnsis Rengger. 
Name modified to replace Latax Gray, 1843—a genus of true otters—which is 
preoccupied by Latax Gloger, 1827, a genus of sea otters. (See Lataxina Gray, 
1843.) 
Lataxia: Adra@é, an aquatic animal, supposed to be an otter or a beaver. 
Lataxina Gray, 1848. Fere, Mustelidee. 
List Spec. Mamm. Brit. Mus., pp. xxi, 70, 1843; Aupuson & Bacuman, Quad. 
N. Am., III, pl. cxxu (figure of type), 1854. 
Type: Lataxina mollis Gray = Lutra lataxina F. Cuvier, from South Carolina. 

Latonus AymMaArpD, 1855. Ungulata, Artiodactyla, Cervidee? 
** Ann. Soc. Agr., Sci., Arts et Comm. du Puy, XX, 1855" (fide Gervais, Zool. 
et Paléont. Francaises, 2° éd., 155, 1859—under Amphitragulus). 
Lathonus AymMarp, Congrés. Sci. France, for 1855, I, 233, 1856; Frunon, Ann. Sci. 
Géol. Paris, XII, art. 3, pp. 3-4, 1882. 
Type: Latonus vellensis Aymard, from Ronzon, near Puy-en-Velay, Haute-Loire, 
France. (GERVAIS. ) 
Extinct. 
Lavia Gray, 1838. Chiroptera, Megadermatide. 
Jardine's Mag. Zool. & Bot., IT, 490, 1858. 
Livia AGAssiz, Nomenclator Zool. Mamm., Addenda, 6, 1846; Index Univ., 214, 
1846. 
Type: Megaderma frons Geoffroy, from Senegal, West Africa. 
Lecydias Rarinesque, 1815. Feri», Pinnipedia, Phocidz. 
Analyse de la Nature, 60, 1815. 
Nomen nudum. ‘ Lecydias R. sp. do.’ (Phoca). 
Lefalaphodon Corr, 1872. Ungulata, Amblypoda, Uintatheriidee. 
Paleont., Bull. No. 5, 2 1, Aug. 19, 1872; Proc. Am. Philos. Soc., XII, for July- 
Dec., 1872, 580, Jan., 1873 Gn ie to Loxolophodon); Am. Naturalist, 
NIET29 700 Manzo S9. ieee Bull. No. 13, p. 7) (dates of publication). 
Misprint for WIL US Cope. Species, 3: Lefalophodon discornatus Cope; L. 
bifurcatus Cope, and L. excressicornis Cope, from the Eocene of southern 
Wyoming. The genus was redescribed with three species ( Loxolophodon cor- 
nutus, L. furcatus, and L. pressicornus) in Paleeont., Bull. No. 7, Aug. 22, 1872. 
Leggada Gray, 1837. Glires, Murid:ze, Murine. 
Charlesworth's Mag. Nat. Hist., I, 586, Nov. 1837. 
Laggade Gray, List Osteol. Spec. Brit. Mus., pp. xiii, 40, 1847. 
Species: Leggada booduga Gray, and Mus platythrix Bennett, from India. 
Leggada: Legyáde, Legadgandu, the Wadári-(Indian) name of Mus platythrix. 
Leidyotherium Pnovr, 1860. Ungulata, Perissodactyla, Titanotheriidze. 
Trans. Acad. Sci. St. Louis, I, for 1857-60, 699-700, 1860 (provisional name). 
Type species not named. ‘‘The tooth supposed to be characteristic of Leidyo- 
therium, and reported to have been obtained near Abingdon, Virginia, is a 
fossil from the Mauvaises Terres of White River [South] Dakota Miocene.” 
(LEipv, Journ. Acad. Nat. Sci., Phila., 2d ser., VII, 390, 1869.) 
