larpan of the liussian steppes (now extinct), tlirougli which 

 there was in all probability a complete gradation into the 

 pure-bred tarpan of Mongolia, constituting the next race. 



The tail is usually well haired up to the root, and 

 the callosities on the hind-limbs are in most cases well 

 developed. 



The specimens of domesticated horses in the collection 

 do not come within the purview of this Catalogue. 



B. Equus caballus przewalskii (Figs. 2-4). 



Equus przewalskii, Poliakow, Izvestia Soc. Imp. Buss. Geogr. 1881, 

 p. 1, pis. i and ii ; Morgan, Ann. Mag. Nat. Hist. ser. 6, vol. viii, 

 p. 16, 1881 ; Noaclf, Zool. Garten, vol. xxv, p. 331, 1884 ; Kobelt, 

 ibid. vol. xxxii, p. 358, 1887 ; Trouessart, La Nature, vol. xviii, 

 p. 369, 1890, Lc Naturaliste, 1902, p. 209 ; Flower, The Horse, 

 p. 78, 1891 ; Flower and Lydckker, Study of Mammals, p. 383, 

 1891 ; Greve, Zool. Garten, vol. xlii, 1901 ; TschersJci, Mem. Ac. 

 Sci. St. Petersb. vol. xl, p. 291, 1892; PrazdJc, Wild Horses, 

 vol. i, p. 4, 1898 ; Sclater, Proc. Zool. Soc. 1901, vol. i, pp. 35 

 and 166, 1902, vol. i, p. 137, pi. xiii ; Oustalct, Bull. Mus. Paris, 

 1902, p. 244; Tichomirow, Zool. Anz. vol. xxv, p. 344, 1902; 

 Noack, ibid. pp. 135 and 165, 1902 ; Beddard, Cambridge Nat. 

 Hist., Mamm. p. 241, 1902; Salensky, Wissenschaftl. Result. 

 Przeivalski Beisen, Zool. Theil. vol. i, pt. 2, p. 1, pis. i-iv, 1902 ; 

 Pocock, Ann. Mag. Nat. Hist. ser. 7, vol. x, p. 307, 1902 ; Matschie, 

 Naturwiss. Wochenschrift, ser, 2, vol. ii, p. 581, 1903, Monatshefte 

 naturwiss. Unterricht Schulgatt. vol. ii, p. 309, 1909 ; Bidgeway, 

 Thoroughbred Horse, p. 26, 1905 ; Gri-ffini, Le Zebre, p. 13, (1912) 

 1913. 



Equus caballus przewalskii, Lydekker, Field, vol. c, p. 680, 1902, 

 Game Animals of India, etc. p. 43, 1907, Horse and its Belatives, 

 p. 107, 1912; Trouessart, Cat. Mamm., Suppl. p. 644, 1904; 

 Heller, Smithson. Misc. Collect, vol. Ix, no. 8, p. 2, 1912. 



Equus hagenbecki, Matschie, Natunviss. Wochenschrift, ser. 2, vol. ii, 

 p. 581, 1903, Monatshefte naturwiss. Unterricht Schulgatt. vol. ii, 

 p. 309, 1909. 



Equus ferus, Antonius, Naturwiss. Wochenschrift, ser. 2, vol. xi, 

 p. 516, 1912, nee Pallas (?). 



Typical locality Eastern Gobi, Zungaria. 



2. 1. 31. 1. Skull and skin, young. Border of the 

 Gobi ; collected by Herr C. Hagenbeck. Purchased, 1902. 



2. 1. 31. 2. Skull and skin, young. Same locality and 

 collector. Same history. 



2. 9. 25. 1. Skeleton, female. Same locality and 

 collector. Presented "by the Hon. Walter Rothschild, 1902. 



