INV. 
MICROSCOPIC SHELLS. 
Tue sand among the shells was brushed 
into a tray, and with a microscope Undine 
found it contaimed tiny shells with colors and 
coils equaling even the large spirals and irides- 
cent abalones which had so taken 'Tom’s fancy. 
Miss Bremely told her that in a pound of 
sand taken from the Adriatic, by computation 
two hundred thousand individuals were found ; 
many more must have suffered wreck from the 
rough tossing and rubbing of the waves and 
sand. In an ounce of sand from Cape May it 
was estimated over thirty-five thousand indi- 
viduals of a single species were discovered. 
She was told that the sands of some beaches 
are composed almost entirely of shells, vari- 
ously and perfectly formed, while the compli- 
cated organisms and harmonious contrivances 
of the animals inhabiting them must fill the 
beholder with amazement. 
Undine sat for a long time picking one 
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