80 Mamm. 
II. MAMMALIA. 
Dipodomys mitchelli , n. sp., Mearns, t. c. p. 719, Tiburon I., Gulf of 
California. 
Heteromys gaumeri, p. 9, Yucatan, J. A. Allen & Chapman, hispidus , 
p. 56, Mexico, J. A. Allen, Bull. Amer. Mus. ix : n. spp. 
Georychus bocagei, De Winton, Ann. Nat. Hist. (6) xx, p. 323, Hanha, 
Angola ; whyt&i , Thomas, P. Zool. Soc. London, 1897, p. 432, Nyasa- 
land : n. spp. 
Dasyproctid^e, Caviida:, and Chinchillida:. 
Dasyprocta kalinowskii , n. sp., Thomas, Ann. Nat. Hist. (6) xx, p. 219, 
Cuzco, Peru. Myology of Dasyprocta and Dolichotis ; Windle, J. Anat. 
Physiol, norm. path, xxxi, p. 343. 
Brain of Cavia ; Ponti, Monit. Zool. ital. viii, p. 36. 
Vizcacia , Schinz, 1824, supersedes Lagostomus } Brookes, 1829; Palmer, 
Science (2) vi, p. 21. 
Lagidium moreni , n. sp., Thomas, Ann. Nat. Hist. (6) xix, p. 469, 
Patagonia. 
Erethizontida: and Octodontida;. 
Erethizon epixanthus couesi, n. subsp., Mearns, P. U. S. Mus. xix, p. 723, 
Arizona. 
Echimys gymnurus , n. sp., Thomas, Ann. Nat. Hist. (6) xx, p. 550, 
Ecuador. 
Mesomys thomasi , n. sp., Ihering, Revist. Mus. Paulista, ii, p. 171, I. of 
S. Sebastian ; M. ecaudatus , note on, Goeldi, Bol. Mus. Para, ii, p. 253, 
Aulacodus calamophagus , n. sp., Pousargues, Bull. Mus. Paris, 1897, 
p. 160, East Central Africa. 
Thryonomys sclateri, n. sp., Thomas, P. Zool. Soc. London, 1897, p. 432, 
Nyika, Nyasaland. 
fDiMYLiDA:, flNCERTiE sedis, and Leporida:. 
+ Plesiodimylus, n. g., for R. chantrei , n. sp. ; Gaillard, C.R. Ac. Paris, 
cxxiv, p. 1248, Miocene, Grive-St. -Alban. 
f Cephalomysy n. g., for G. arcidens and plexus , n. spp. ; Ameghino, Boll. 
Inst. Geogr. Argent, xviii, p. 90, fossil, Patagonia. 
t AsteromySy n. g., for A. punctus and prospicuus , n. spp. ; Ameghino, t. c. 
p. 91, ibid. 
\Orchiomys , n. g., for 0. prestans , n. sp. ; Ameghino, l. c. ibid. 
Lepus baileyi, Merriam, P. Soc. Washington, xi, p. 147, Wyoming; andinus , 
p. 551, Ecuador, cumanicus , p. 552, Venezuela, Thomas, Ann. Nat. 
Hist. (6) xx ; atlanticus i De Winton, P. Zool. Soc. London, 1897, 
p. 960, Morocco: n. spp. 
Limnolagus, n. n., for Hydrolagus , Gray, Mearns, p. 393, Science, v. 
VI. UNGULATA. 
BOVIDAE. 
E. African Antelopes, notes on; Jackson, P. Zool. Soc. London, 1897, 
p. 450. “The Book of Antelopes”; Sclater & Thomas, continued. 
Bos iprimigenius and bonasus , old figures and descriptions; Nehring, 
Globus, lxxi, No. 6; fprimigenius in Mecklenburg; Geinitz, Arch. 
Ver. Mecklenb. 1, p. 334; its existence during historic period; 
Schiemenz, Biol. Centralbl. xvii, p. 793; sondaicus , characters of 
Burmese race; Wood, Zoologist (4), i, p. 489. 
