414.
[89] Proc.Zool.Soc.of London, April 24, 1860.
[90] "Animals and Plants under Domestication," vol.i.p.

291.
[91] Extracted by J.J.Murphy, vol.i.p.

197, from the _Quarterly Journal of Science_, of October 1867, p.

527.
[92] "Anatomy of Vertebrates," vol.iii.p.

795.
[93] Ibid.p.