[77] See Philosophical Transactions, London, 1672.

[78] New Experiments upon Vipers, with Exquisite Remedies that may be drawn from them: as well as Cure for their Bitings, as for that of other Maladies. By M. Charas, now rendered English, 1673.

[79] Philosophical Transactions, vol. xxxviii. p. 321. 1733.

[80] History of Virginia, 1722.

[81] Last Rambles among the Indians, by Geo. Catlin. London, 1865.

[82] See Philosophical Transactions, vol. xxxii. A paper on the Crotalus, by Paul Dudley, Esq.

[83] North American Herpetology, vol. iii. p. 15. By J. E. Holbrooke. 1842.

[84] ‘The History of a Rattle,’ by Catherine C. Hopley, Aunt Judy’s Magazine, July 1877.

[85] Erpétologie générale, tome vii. part. ii, p. 1457, par MM. Dumeril et Bibron. Paris.

[86] Organization of the Animal Kingdom, p. 732. By T. Rymer Jones.