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and settling from its solvent with, perfect preservation of its 

 nuclei, which are very clear upon a careful examination. 

 Although very minute, they are distinct cubes : and as any 

 form made up of perfect cubes with level sides would, in 

 forming a radiating figure, be loose in its texture, unless well 

 closed with others in the interstices ; so this, so loosely 

 formed in that particular, is very useful to us to determine 

 other facts of the like nature. The left hand figure is of 

 two nuclei — and the right hand figure shows the manner 

 ©fits accumulation, and will be useful in analogy. 



