d Aborigines_ (Brisbane and London, 1897), p. 156, Sec. 265. The
custom of killing a man by pointing a bone or stick at him, while the
sorcerer utters appropriate curses, is common among the tribes of
Central Australia; but amongst them there seems to be no objection to
place the bone or stick on the ground; on the contrary, an Arunta wizard
inserts the bone or stick in the ground while he invokes death and
destruction on his enemy. See Baldwin Spencer and F.J. Gillen, _Native
Tribes of Central Australia_ (London, 1899), pp. 534 _sqq.; id.,
Northern Tribes of Central Australia_ (London, 1904), pp. 455 _sqq._

[36] Hugh Low, _Sarawak_ (London, 1848), pp. 145 _sq._

[37] Pliny, _Naturalis Historia_ xxviii. 33 _sq._

[38] Rev. Walter Gregor, _Notes on the Folk-lore of the North-East of
Scotland_ (London, 1881), p. 184. As to the superstitions attaching to
stone arrowheads and axeheads (celts), commonly known as "thunderbolts,"
in the British Islands, see W.W. Skeat, "Snakestones and Stone
Thunderbolts," _Folklore_, xxiii. (1912) pp. 60 _sqq._; and as to such
superstitions in general, see Chr. Blinkenberg, _The Thunderweapon in
Religion and Folklore_ (Cambridge, 1911).

[39] Pliny, _Naturalis Historia_, xxix. 52-54.

[40] W. Borlase, _Antiquities, Historical and Monumental, of the County
of Cornwall_ (London, 1769), pp. 142 _sq._; J. Brand, _Popular
Antiquities of Great Britain_ (London, 1882-1883), i. 322; J.G. Dalyell,
_Darker Superstitions of Scotland_ (Edinburgh, 1834), pp. 140 _sq._;
Daniel Wilson, _The Archaeology and Prehistoric Annals of Scotland_
(Edinburgh, 1851), pp. 303 _sqq._; Lieut.-Col. Forbes Leslie, _The Early
Races of Scotland and their Monuments_ (Edinburgh, 1866), i. 75 _sqq._;
J.G. Campbell, _Witchcraft and Second Sight in the Highlands and Islands
of Scotland_ (Glasgow, 1902), pp. 84-88; Marie Trevelyan, _Folk-lore and
Folk-stories of Wales_ (London, 1909), pp. 170 _sq._; J.C. Davies,
_Folk-lore of West and Mid-Wales_ (Aberystwyth, 1911), p. 76. Compare
W.W. Skeat, "Snakestones and Stone Thunderbolts," _Folk-lore,_ xxiii.
(1912) pp. 45 _sqq._ The superstition is described as follows by Edward
Lhwyd in a letter quoted by W. Borlase (_op. cit._ p. 142): "In most
parts of Wales, and throughout all Scotland, and in Cornwall, we find it
a common opinion of the vulgar, that about Midsummer-Eve (though in the
time they do not all agree) it is usual for snakes to meet in companies;
and that, by joining hea