eee 
Ebbing and Flowing Weil. 383 
demolished eminences. The recesses, thus 
produced, frequently contain pools of water; 
and if the presence of a grotto be necessary to 
a reciprocating fountain, perhaps few places 
are more. likely to produce one, than the 
neighbourhood of Giggleswick. For the 
country abounds with ‘caves, and also with 
subterranean brooks ; one of which is heard 
very distinctly through the rocks which cover 
it, ata place where it sounds lke a stream 
falling into an extensive chamber. 
Having now finished my remarks. on reci- 
procating fountains, I have only to recom- 
mend them to your attention. Should the 
essay appear to deserve the notice of your 
Literary and Philosophical Society, your 
kindness in presenting it to that learned 
body, will confer an additional favour upon 
Your’s, &c. 
JOHN GOUGH. 
