On Idioti:m. 99 
in the mountains of Bootan, but extensively 
in the woody belt which encircles their foot 
to a depth of from ten to twenty miles, which 
forest abounds with marshes from which ori- 
ginate the rivers flowing to the south. (a) 
Pilkington also informs us that in Derby- 
shire where goitre prevails he perceives no- 
thing peculiar but high lands, high winds, 
and heavy rains. Perlac, in Hungary, where 
(6) Bright found goitre, lies in the low land 
betwixt two large rivers; and we are further 
told that the Hungarian peasantry have 
their crops frequently ruined by heavy storms 
of wind and rain. The statement before 
made of the ground where the idiots now 
introduced to your notice are found, shews 
analagous features; it is exposed to the aC- 
cumulated force of the west and south-west 
winds, which prevail the most and are fre- 
quently loaded with moisture; whilst a tract 
of marsh land lies at its foot, giving rise to 
three streams ultimately falling into the Irwell. 
These affections have been thought peculiar 
to hilly and mountainous districts, and it is 
true they are most frequently seen in such 
situations ; in some of the instances alluded 
(a) View of the present state of Derbyshire. Vol. 1. Chap 2d. 
(6) Bright’s Travels in Hungary, 4to. 
