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216 AMERICAN SPIDERS AND THEIR SPINNINGWORK, 
a pebble fixed therein, would have been more advantageous to the spider? 
This is equally true of all known cases of counterpoise, 
After having cited my opinion, as communicated in my letter to Dr, 
Thorell, Professor Parona expresses, though with some reserve, his belief 
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Fic. 204, Swinging nest of the Shamrock spider, Epeira trifolium. 
that the act recorded by him was an intentional one on the part of Meta. 
The counterpoise could not have been lifted up from the garden path, 
as no such material entered into the composition thereof. It 
had evidently come from the vault above, as it was of the same 
material, and retained living tufts of a moss that grew upon 
the overhanging vault. Moreover, if I correctly understand Professor Parona, 
Parona’s 
View. 
