356 BRITISH FOSSIL VERTEBRATA. 
HYPEROODON, B. G. L. de Lacépéde, Hist. Nat. Cétacés, 
Table des Ordres, etc., 1804, p. xliv. 
butzkopf, De Lacéptde. wv. Hyperoodon rostratus. 
rostratus (Miiller), R. Lydekker, Quart. Journ. Geol. Soc., 
vol. xlil, 1887, p. 14, pl. ul, f. 6 (cf. A. xrostratus), and Cat. 
Foss. Mamm. B. M., pt. v, 1887, p. 63. 
Balena rostrata, O. F. Miiller, Zool. Dan. Prod., 1776, p. 7. 
Hyperoodon butzkopf, De Lacépéde, Hist. Nat. Cétacés, 1804, 
Pp. 319. 
flyperosdon butzkoff, D. Embleton, Trans. Tyneside Nat. Field 
Club, vol. iv (1858), p. 50. 
Loc. Red Crag; Suffolk. [Perdotic bone ; Ipswich Mus.] 
? Pleist. ; Bed of Tyne, and East Ham Marshes, Essex. 
HYPSIPRYMNOPSIS, Dawkins. v. Microlestes. 
rheticus, Dawkins. v. Microlestes rheticus. 
HYRACOTHERIUM, R. Owen, Trans. Geol. Soc. [2] vol. vi, 
pt. 1 (1841), p. 203. 
PLIOLOPHUS, R. Owen, Quart. Journ. Geol. Soc., vol. xiv, 1857, p. 54. 
OROHIPPUS, O.C. Marsh, Amer. Journ. Sci. [3] vol. iv, 1872, p. 207. 
cuniculus, R. Owen, Ann. Mag. Nat. Hist., vol. viii, 1841 (1842), 
p- I, woodcuts 2, 4, 5, and Rep. Brit. Assoc., 1843 (1844), 
p-227, and Brit. Foss. Mamm., 1846, p.424, woodcuts 170, 171 ; 
J. Morris, Cat. Brit. Foss., 1854, p. 359; R. Lydekker, Cat. 
Foss. Mamm. B. M., pt. ili, 1886, p. 12. 
Macacus eocenus, R. Owen, Brit. Foss. Mamm., 1846, p. 5, 
woodcut 1, and Odontography (1845), p. 443, pl. cxvi, f. 3. 
[Referred to Hyracotherium cuntcu/us by R. Owen, Ann. 
Mag. Nat. Hist. [3] vol. x, 1862, p. 240.] 
‘Quadrumanous Animal,’ S. V. Wood, Mag. Nat. Hist., n.s., 
vol. iii, 1839, p. 444, woodcut 57- 
Macacus, R. Owen, Mag. Nat. Hist., n.s., vol. ili, 1839, p. 446, 
woodcuts 58 A,B, C,and Ann. Nat. Hist., vol. iv, 1840, p. 191, 
woodcut 1; C. Lyell, Ann. Mag. Nat. Hist., vol. iv, 1840, p. 190. 
Loc. L. Eocene Sand; Kyson (Kingston), Suffolk. [Portion of 
jaw ; Ipswich Mus.] 
leporinum, R. Owen, Trans. Geol. Soc. kal. vol. vi (1841), pp. 
2037211, plaxx, f1 -4, and Ann. Mag. Nat. Hist., vol. viii, 
1841 (1842), p. I, woodcuts I, 3, and Brit. Foss. ’Mamm., 
1846, p. 419, y oodcuts 165- 169, and Geol. Mag., vol. ii, 1865, 
P. 339, pl. x, f.2; J. Morris, Cat. Brit. Foss., 1854, p. 3595 
k. Lydekker, Cat. Foss. Mamm. B. M. , pt. ill, 1886, p. To. 
Piiolophus vulpiceps, R. Owen, Quart. Journ. Geol. Soc., vol. ay 
1858, p. 54, pls. ii-iv, and Pal: eontology, ed. 2, 1861, P- 358, 
woodcuts 121, 123, 124, and Geol. Mag., vol. ii, 1865, p. 339, 
plox; fA. [Head and other portions of skeleton : olim R. Bull 
Coll., Ipswich (fragments in Brit. Mus.).] TT. Pliolophus.) 
LOC. Loudon Clay ; ‘Harwich, Herne Bay (Studd Hill), and 
Sheppey. 
Red Crag ; Suffolk (derived fossil). [Skull; Brit. Mus.] T. 
