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11

in the treatment of the geographic distribution and the systematic technicalities are going to be tested, and such a separation as alluded to must therefore now be regarded as premature and unwise. It has, consequently, also been deemed inexpedient to make too great inroads on the so called duplicates of the "general series" for distribution, as it is extremely probable that it contains some very valuable material which should not be disposed of until utilized. 

It was expected that Prof. E.D. Cope would have spent some time in working up the series of North American