"(1) There exists what I shall call a 'Sotadic Zone,' bounded westwards by the northern shores of the Mediterranean (N. lat. 43°) and by the southern (N. lat. 30°). Thus the depth would be 780 to 800 miles, including meridional France, the Iberian Peninsula, Italy and Greece, with the coast-regions of Africa from Morocco to Egypt.
"(2) Running eastward the Sotadic Zone narrows, embracing Asia Minor, Mesopotamia and Chaldæa, Afghanistan, Sind, the Punjab, and Kashmir.
"(3) In Indo-China the belt begins to broaden, enfolding China, Japan, and Turkistan.
"(4) It then embraces the South Sea Islands and the New World, where, at the time of its discovery, Sotadic love was, with some exceptions, an established racial institution.
"(5) Within the Sotadic Zone the vice is popular and endemic, held at the worst to be a mere peccadillo, whilst the races to the North and South of the limits here defined practise it only sporadically, amid the opprobrium of their fellows, who, as a rule, are physically incapable of performing the operation, and look upon it with the liveliest disgust."
This is a curious and interesting generalisation, though it does not account for what history has transmitted regarding the customs of the Kelts, Scythians, Bulgars, Tartars, Normans, and for the acknowledged leniency of modern Slavs to this form of vice.
Burton advances an explanation of its origin. "The only physical cause for the practice which suggests itself to me, and that must be owned to be purely conjectural, is that within the Sotadic Zone there is a
