[337] 'Säugethiere,' s. 327.
[338] On the Breeding of the larger Felidæ, 'Proc. Zoolog. Soc.,' 1861, p. 140.
[339] Sleeman's 'Rambles in India,' vol. ii. p. 10.
[340] Wiegmann's 'Archif für Naturgesch.,' 1837, s. 162.
[341] Rengger, 'Säugethiere,' &c., s. 276. On the parentage of the guinea-pig, see also Isid. Geoffroy St. Hilaire, 'Hist. Nat. Gén.'
[342] Although the existence of the Leporides, as described by Dr. Broca ('Journal de Phys.,' tom. ii. p. 370), is now positively denied, yet Dr. Pigeaux ('Annals and Mag. of Nat. Hist.,' vol. xx., 1867, p. 75) affirms that the hare and rabbit have produced hybrids.
[343] 'Quadrupeds of North America,' by Audubon and Bachman, 1846, p. 268.
[344] Loudon's 'Mag. of Nat. Hist.,' vol. ix., 1836, p. 571; Audubon and Bachman's 'Quadrupeds of North America,' p. 221.
[345] Flourens, 'De l'Instinct,' &c., 1845, p. 88.
[346] See 'Annual Reports Zoolog. Soc.,' 1855, 1858, 1863, 1864; 'Times' newspaper, Aug. 10th, 1847; Flourens, 'De l'Instinct,' p. 85.