Important facts formerly unknown--One electricity only supposed to
exist--Not then utilised for locomotion, &c.--Paucity of
contrivance for collecting electricities--How the scientific men
supported their theory--Like causes produce like effects--Many
kinds of electricity--Means of drawing out and concentrating
electricities discovered--Man, beasts, birds, &c., possess an
electricity of their own--All differ--Huge fish--Docks for
extracting electricity from--Electric store-house--Non-conducting
pouches--The attracting electricity adapted to each body is well
known--MODE OF CATCHING WILD BIRDS