[ 76 ] 
CHAP. III. 
Of Hay-Water, &c* 
I T AY, Straw, Grafs, Oats, Wheat, Barley, 
or any other vegetable Production, 
being infufed in Water, in the Manner ad- 
vifed before; after fome Days, a Sort of 
whitHh Scum, or Motherinefs, will appear 
upon the Surface, which, examined by a 
Microfcope, will be found to contain inex- 
p reliable Numbers of minute living Crea¬ 
tures, of various Sizes, Forms, and Kinds. 
And of thefe fome are the fame exadly 
as were juft now defcribed in Pepper-Water : 
for it is to be obferved, that certain Kinds 
of thefe Animalcules are met with, univer- 
fally, in all Waters that have flood any con- 
fiderable Time expofed to the open Air. 
The mod: general among them is an oval 
Sort of Animalcule > fome what in the Shape 
of an Emmet's Egg (See Fig. V. Plate VII.) 
They are extremely nimble, and in a conti¬ 
nual fwift Motion backwards and forwards: 
but fometimes they flop on a fudden, and 
turn round on their own Axis numberlefs 
Times with furp riling Velocity, firft one W ay 
and afterwards the contrary This Gyra- 
* The Solar Microfcope has difcovered, that this ftrange 
Motion is produced by the Action of a great Number of 
Ltgs or Fins, placed in a circular Order. 
tion, 
