[2704] B. xxxvi. c. 14.

[2705] See B. xxxvi. c. 14. This was a mortar made of volcanic ashes, which hardened under water. It is now known as Pozzuolane.

[2706] The Pinus cedrus of Linnæus.

[2707] The canoes were formed probably of the fir.

[2708] The Celtis australis of Linnæus.

[2709] See B. xiii. c. [27].

[2710] This, Fée says, is not the case, if the Syrian terebinth is the same as the Pistacia terebinthus of Linnæus.

[2711] This is not the case; a nail has a firm hold in all resinous woods.

[2712] This is evidently a puerile absurdity: but it is borrowed from Theophrastus, Hist. Plant. B. v. c. 4.

[2713] The savages of North America, and, indeed, of all parts of the globe, seem to have been acquainted with this method of kindling fire from the very earliest times.