MAMMALIA. 
ACERATHERIUM, Kaup. v. Rhinoceros. 
incisivum, Kaup. v. Rhinoceros incisivus. 
ACHYRODON, R. Owen, Brit. Mesoz. Mamm. (Pal. Soc., 1871), 
Pp. 37- 
nanus, R. Owen, 7é7d., p. 37, pl. ii, f. 5-7; R. Lydekker, Cat. Foss. 
Mamm. B. M., pt. v, 1887, p. 276; H. F. Osborn, Proc. Acad. 
Nat. Sci. Philad., 1888, p. 299. 
Loc. M. Purbeck; Durdlestone Bay. [Mandib. rami; Brit. 
Mus.] 
pusillus, R. Owen, Brit. Mesoz. Mamm. (Pal. Soc., 1871), p. 39, 
pl. 11, f. 8; R. Lydekker, Cat. Foss. Mamm. B. M., pt. v, 
1887, p. 277; H. F. Osborn, Proc. Acad. Nat. Sci. Philad., 
1888, p. 299. 
Loc. M. Purbeck; Durdlestone Bay. [Left mandib. ramus ; 
Brit. Mus.] 
ACOTHERULUM, P. Gervais, Comptes Rendus, vol. xxx, 1850, 
p- 604. 
saturninum, P. Gervais, z/7d., p. 604; R. Lydekker, Cat. Foss. 
Mamm. B. M., pt. ii, 1885, p. 182. 
Loc. Headon Beds; Hordwell. Bembridge? Beds; Isle of 
Wight. [Zeeth; Brit. Mus.] 
ADAPTS, Cuvier, Ossem. Fossiles, ed. 2, vol. iii, 1822, p. 265. 
magna, [-us] H. Filhol, Ann. Sci. Géol., vol. v, 1874, art. 4, 
p. 18; R. Lydekker, Cat. Foss. Mamm. B. M., pt. i, 1885, 
Pp. 262: 
Loc. Headon Beds; Hordwell. [Portions of jaws; Prit. 
Mus.| 
AILURUWS, F. Cuvier, Hist. Nat. Mamm. (1825), livr. 5c. 
anglicus, W. B. Dawkins, Quart. Journ. Geol. Soc., vol. xliv 
1888, p. 228, pl. x. 
Loc. Red Crag; Felixstowe. [Portion of mandible ; York 
Mus.] 
