18 LORIS 



not impossible for them to reside in a locality covered by dense forests 

 and be quite unknown to the people inhabiting the district. 



KEY TO THE SPECIES. 



A. White streaks between eyes. 



a Upper parts plain brown L. tardigradus. 



b Upper parts brownish gray L. lydekkerianus 



Lobis taedigeadus (Linnaeus). 



Lemur tardigradus Linn., Syst. Nat., I, 1758, p. 29 ; I, 1766, p. 44. 



Lemur gracilis E. Geoff., Mag. Encyclop., 1796, p. 48; Id. Ann. 

 Mus. Hist. Nat. Paris, XIX, 1812, p. 163, (Ceylon) ; Gray, 

 List Spec. Mamm. Brit. Mus., 1843, p. 16 ; I. Geoff., Cat. Pri- 

 mates, 1851, p. 79, (Ceylon) ; Kelaart, Prodr. Faun. Zeyl., 

 1852, p. 9; Anders., Cat. Mamm. Ind. Mus. Calc, Pt. 1881, 

 p. 97; Blanf., Faun. Brit. Ind., Mamm., 1888, p. 47, (Part.) ; 

 Beddard, Proc. Zool. Soc. Lond., 1895, p. 145, fig. 3, (Brain) ; 

 Forsyth-Major, Proc. Zool. Soc. Lond., 1901, p. 140, figs. 

 40,42. 



Lemur ceylonicus Fisch., Anat. Maki, 1804, p. 28, t. XII. 



Stenops gracilis Kuhl, Beitr., 1820, pp. 37, 47, t. VI, fig. 2 ; Van der 

 Hoeven, Tijdsch. Natur. Ges., XI, 1844, p. 39, pi. I, No. 4; 

 Schinz, Syn. Mamm., I, 1844, p. 109; Kelaart, Faun. Zelan., 

 1852, p. 9; Gray, Proc. Zool. Soc. Lond.. 1863, p. 159. 



Nycticebus lori Fisch., Syn. Mamm., 1829, p. 70. 



Nycticebus gracilis (Ceylon), Blainv., Osteog, 1841, Atl., Lemur, 

 pi. H; Schleg., Mus. Pays-Bas, Simiae, 1876, p. 284, (Ceylon). 



Arachnocebus lori Less., Spec. Mamm., 1840, p. 243. 



Stenops tardigradus Schinz, Syn. Mamm., 1844, p. 168; Fitzing., 

 Sitzungsb. Metth. Naturw. Akad. Wiss. Wien, 1870, p. 698 ; 

 Lydekk., Proc. Zool. Soc. Lond, 1904, II, p. 346, pi. XXIII, 

 fig. 4. 



Loris gracilis Dahlb, Stud. Zool. Fam. Reg. Anim. Nat, fasc. I, 

 1856, p. 211, t. IX. figs. 33, 34. 



CEYLON SLENDER LORIS. 



Type locality. Ceylon. 

 Geogr. Distr. Island of Ceylon. 



Color. Above wood brown tinged with tawny and slightly 

 clouded with blackish, with much silvery gloss in certain lights ; throat, 



