52 TRANS. OF ‘THE ACAD. OF SCIENCE. 
causes which produce that law, by referring it to strictly cer 
ponding (and hence srw the contingent) organological it 
ceptions géMerally. 
The Numeric Series. 
Even the lawof divergence being expressed by the instrumen- 
tality of serial numbers, the series seems to be the first point re- 
quiring investigation and explanation. 
How is it actually organized ? 
In attempting to suit the character of the series to some organo- 
logic {phe eee) process, the idea of considering each 
a member merely as the sum of the two preceding 
less promising, because less in conformity with organic 
law than n idea involving all the previous members in that ulti- 
pe on its own merits, Neing a distinctive and robably the Pegi s 
. cppennlge character ; of the: nga ¢ fe in 
