thoughts on Configurations and Cryfials . 41 
Cryfials and Configurations are frequently 
feen together in the fame Drop, and form¬ 
ing at the fame Inftant. As foon as the 
Cryfials become difcernible by the Micro- 
fcope, they are either Cubes, or Rhom¬ 
boids, or Columns, or pyramidal, or trian¬ 
gular, or fome other certain Figures ; and 
to what Bignefs foever they may become 
enlarged, they fhew, from their very firfi 
Appearance, the fame Sides and Angles that 
are feen afterwards when at their utmoft 
Size, no Alteration of Figure attending their 
Increafe in Bulk. But the Configurations 
change their Forms every Moment, pufhing 
forwards in new Shapes continually, and 
leaving no Refemblance of the Forms that 
prefented firfi: infomuch, that no better 
Guefs can be made (in a Subjetfi never 
before examined) what Configuration will 
be form’d thereby, from feeing its firfi 
beginning Shoots, than from feeing the 
Germen or feminal Leaves of an unknown 
Seed one can pafs a Judgment what other 
Leaves, Flowers and Fruit fuch unknown 
Seed fhall produce. 
From the firfi pufhing forward of the 
Salt there is a continual feeming progref- 
five Motion and Change of Figure* : but 
as 
* Notwithftanding this Manner of Expreffion, in Con¬ 
formity to the Appearances of Things, I fuppofe the Con¬ 
figurations of Salts are produced according to certain Laws 
of ftepulfjon and Attraction, whereby the floating Parti¬ 
cles 
