58 Of preparing and applying Objects. 
live even Weeks in this Manner. But if 
they are larger than to be treated thus, either 
put them in a Slider with concave Glades, 
intended for that Ufe, and defcribed page 
10. or in the Cell, page 19. or elfe examine 
them ftuck on the Pin, or held between the 
Plyers; either of which Ways they maybe 
viewed at Pleafure. 
If Fluids come under Examination, to 
difcover the Animalcules that may be in 
them, take up a fmall Drop with your Pen, 
or Hair-pencil, and place it on a Angle Ifin- 
glafs (which /you fhould have in a Slider 
ready) or elfe in one of the little concave 
Glaffes, and fo apply it. But in cafe, upon 
viewing it, you find, as often happens, the 
Animalcules fwarming together, and fo ex¬ 
ceedingly numerous, that, running continu¬ 
ally over one another, their Kinds and real 
Form cannot be known fome Part of the 
Drop mu ft be taken off the Glafs, and then 
a little fair Water put to the reft will make 
them feparate, and fliew them diftind: and 
well. And this Mixture of Water is parti¬ 
cularly requifite in viewing the Semen Maf- 
culinum of all Creatures: for the Animal¬ 
cules therein contained are unconceivably 
minute, and yet crowded together in fuch 
infinite Numbers, that unlefs it be diluted a 
great deal, they cannot be fufficiently fepa- 
rated to diftinguifh their true Shape. 
But* 
