914 INDEX GENERUM MAMMALIUM. 
Eucladoceros—Continued. 
Eucladocerus €. O. Waterhouse, Index Zool., 132, 1902. 
Type: Cervus (Eucladoceros) sedgwickii Falconer, from the Forest bed (Pleisto- 
cene?) of the Norfolk coast at Bacton (Gunn), south of Coal Gap, England. 
Extinct. 
Eucladoceros: £v, well; KA&éo0s, shoot, branch; Képas, horn—in allusion to the 
much branched antlers, which exhibit a greater complexity of structure than 
those of any other deer. 
Eucritus G. Fiscurer, 1817. Glires, Erethizontide. 
Mém. Soc. Imp. Nat. Moscou, V, 372, 411, 1817; Acassiz, Nomenclator Zool., 
Mamm., 12, 1842. 
New name for Coendow Lacépéde, 1799. Type, Hystrix prehensilis Linnzeus, from 
South America. 
Eucritus: €UKpitos, easy to discern <ev, well; Kptvezr, to discern. 
Eucrotaphus Leipy, 1850. Ungulata, Artiodactyla, Agriochceride. 
Proc. Acad. Nat. Sci. Phila. for 1850-51, 90-92; Lerpy in D. D. Owen’s Rept. 
Geol. Surv. Wis., Ia., Minn., etc., 563-564, tab. xv, figs. 1-2, 1852. 
Encrotaphus Gore, Glossary Fossil Mamm., 20, 1874 (misprint). 
Type: Eucrotaphus jacksoni Leidy, from the Bad Lands in the vicinity of Fort 
Laramie, Wyoming. 
Extinct. Based on ‘ the central portion only of the cranium.’ 
Eucrotaphus: eb, well; Kpotados, temple—trom “ the large relative size of the 
pars squamosa of its temporal bones." (Lerpy l. c., 564.) 
Euctenoceros (subg. of Cervus) TRovEssaRT, 1898. Ungulata, Artiodactyla, Cervide. 
Cat. Mamm. Viv. Foss., new. ed., fasc. 1v, 880, June, 1898. 
Type: Cervus tetraceros Boyd-Dawkins, from the Upper Pliocene of central France. 
Extinct. 
Euctenoceros: &v, well, typical; Kreis, Ktevds, comb; Képas, horn—in allusion 
to the tines of nearly equal length, which somewhat resemble the teeth of a 
coarse comb. 
Eucuscus (subgenus of Cuscus) Gray, 1861. Marsupialia, Phalangeride. 
Proc. Zool. Soc., London, 1861, 315-316; THomas, Cat. Marsup. & Monotrem. 
Brit. Mus., 193, 1888 (in synonymy, type fixed). 
Species: Phalangista ursina Temminck (type), from Celebes; and Cuscus brevi- 
caudatus Gray, from Cape York, North Australia. (See Ceoniz Temminck, 1827. ) 
Eucuscus: &v, well, typical; + Cuscus. 
Eudelphinus Van BENEDEN & GERVAIS, 1880. Cete, Delphinide. 
Ostéog. Cétacés Viy. et Foss., 600-604, 1880. 
Type: Delphinus delphis Linnzeus, from the west coast of Europe. Equals Delphis 
Gray, 1864, which is preoccupied by Delphis Wagler, 1830. 
Eudelphinus: £9, well, typical; ++ Delphinus. 
Eudelphis Du Bus, 1872. Cete, Delphinid:e. 
Bull. Acad. Roy. Sci. de Belgique, 2° sér., X X XIV, No. 12, pp. 500-501, 1872. 
Type: Eudelphis mortezelensis Du Bus, from the Black Crag at ‘ Fort du Vieux- 
Dieu, à Mortsel, near Antwerp, Belgium.’ 
Extinct. Based on ‘‘nombreux fragments de la téte d'une espéce à courte 
symphyse.”’ 
Eudelphis: eb, well typical; 6eA dis, dolphin. 
Euderma H. ArrEN, 1892. Chiroptera, Vespertilionide. 
Proc. Acad. Nat. Sci. Phila., for 1891, 467-470, Jan. 19, 1892. 
Type: Histiotus maculatus J. A. Allen, from *' Piru, western part of Ventura Co." 
(probably from Castac Creek, near Newhall, Los Angeles County), California. 
Euderma: £9, well: 6épua, skin. 
Eudiastatus AMEGHINO, 1891. Primates, Cebide. 
Revista Argentina Hist. Nat., I, entr. 6a, 391—392, fig. 93, Dec. 1, 1891. 
-Eudiastus LypEKKER, Zool. Record for 1891, XXVIII, Mamm., 22, 1892. 
