[1087] W. Watts, op. cit. p. 300.
[1088] Ibid. p. 300.
[1089] R. Lydekker, Guide to the Specimens of the Horse Family (Brit. Mus.), 1907, p. 5.
[1090] Lydekker, loc. cit. Ewart, op. cit. II. p. 428.
[1091] Guide ... Horse Family, pp. 8-9.
[1092] The following authorities may also be consulted: W. Ridgeway, The Origin and Influence of the Thoroughbred Horse, 1905, pp. 1-12. E. Ray Lankester, Extinct Animals, 1905, pp. 134-42. C. W. Saleeby, Organic Evolution, 1905, pp. 56-64. R. Lydekker, in Knowledge, XXV. 1902, pp. 100-2, and N.S. III. 1906, pp. 472-4. Guide to Fossil Mammals and Birds (Nat. Hist. Mus., South Kensington), 8th edition, 1904, pp. 22-6. R. S. Lull, “Evolution of the Horse Family,” in Amer. Jour. Science, 4th Ser., XXIII. pp. 161-82. Quart. Jour. Geol. Soc. LXV. 1909, pp. cxix-cxx, where there is an allusion to gaps in the pedigree.
[1093] C. H. Read, Guide to the Stone Age, 1902, pp. 48, 49. Many representations of horses and horse-heads have been detected among the coloured drawings (ochre and black) on the walls of two Palaeolithic caves at Combarelles and Font-de-Gaune, explored in 1901. (See Ridgeway, op. cit. p. 85.)
[1094] B. C. A. Windle, Life in Early Britain, 1897, pp. 28, 29. Cavernes du Périgord, by MM. E. Larty and H. Christy, 1864, should be specially consulted.
[1095] Guide to Stone Age, p. 65. W. Boyd Dawkins, Early Man in Britain, 1880, p. 184.
[1096] Ewart, in Ency. of Agric. II. p. 434. Ridgeway, op. cit. p. 82, claims two distinct species, “at least,” of Palaeolithic horses.