SIWALIK AND N AHEAD A PEOBOSCIDIA. 
109—290 
M. angustidens. 
M. Vacek : “Abhand. der k. k. Raichs.,” Wien, Vol. VII, pt. 4, 1877. Biedennau : “ Abliand. 
der Schweiz pal. Gesell.,” Vol. Ill, 1876. 
Falconer: “ Pal. Mem.,” Vol. I, p. 89, II, pp. 14, 21. 
E. Sismonda : “ Osteographia di un Mastodonte angustidente.” Mem. Acc. real, di Torino, Ser. II, Vol. 
XII, 1852. 
Meyer; “ Palseontograpbica,” Vol. XVII, Cassel. Lortet and Chantre, Archiv. du Mus. d’Hist. Nat. de 
Lyon, Vol. II. Lyons, 1878. 
M. horsoni. 
M. Vacek -. loc. cit. 
Lortet and Chantre : loc. cit. 
M. JiumhoUii, 
Meyer : loc. cit. 
Lortet and Chantre : loc. cit. 
M. maximus. 
Warren: “Descrip, of skeleton of M. giganteus (maximus).” Boston, 1852. 
Lortet and Chantre : loc. cit. {M. ohioticus.) Leidy : “ Contributions to Extinct Vertebrate Fauna of the 
Western Territories.” Washington, 1873, Vol. I, p. 237. {M. americanus). 
M, ohsctirus. 
Leidy : “ Contributions to Extinct Vertebrate Fauna of the Western Territories.” Washington, 1873, 
Vol. I, PI. XXI, p. 231. 
M. pentelici. 
Gaudry: “ Aniraaux Fossiles et Geologic de I’Attique.” Paris, 1862. 
M. productus. 
Cope: “U.S.Geograph. Survey, W. of 100th Meridian,” Vol. IV, Pt. II, p. 306, Pis. LXX— LXXI. 
Philadelphia, 1877. 
M, pgrenaicus, Lartet, MSS. 
M. tapiroides. 
Gaudry : “ Animaux Fossiles et Geologie de I’Attique.” Paris, 1862. {M. turicensis). 
M. Vacek : loc. cit. 
Meyer : loc. cit. {M, hiricensis). 
Lortet and Chantre : loc. cit. 
M. virgatidens. 
Meyer : loc. cit. 
M. arvernensis. 
Croizet et Jobert, “ Eecherches sur less Ossemens Fossiles du departement du Puy-du-dome,” Paris, 1828. 
M. Vacek : loc. cit. 
Falconer : Pal. Mem., Vol. II, pp. 14, 26, 39. 
M. dissimilis. 
Lortet and Chantre : loc. cit. 
M. longirostris. 
Kaup ; loc. cit. 
M. Vacek : loc. cit. 
Lortet and Chantre ; loc. cit. 
Falconer : Pal. Mem., Vol. I, pp. 159, 107, 468, 472, II, pp. 14, 23. 
M. mirificus. 
Leidy : loc. cit., p. 237. 
“ Extinct Mammalian Fauna of Dakota and Nebraska.” Jour. Acad. Nat. Sci. Philadelphia, 
Ser. II, Vol. VIII, p. 249, PI. XXV, figs. 1, 2. Philadelphia, 1869. 
JLoxodon melitensis. 
L. Adams : “ Maltese Fossil Elephants,” Trans, Zool. Soc., London, Vol. IX. 
Busk : Trans. Zool. Soc., London, Vol. VI. 
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