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Published online by Cambridge University Press: 31 May 2012
Soon after the issue of the “Systematic Revision,” and while I was trying to master the intricacies of its analysis, it occurred to me to tabulate the generic descriptions in some family, if, haply, I might thus discover the exact points of discrimination, By chance I took first the tribe Adolescentes, producing the table which accompanies this paper. In this table, if any expression or word which could distort the obvious meaning of the author, has been omitted or wrested from its proper connection. such change has been through inadvertence or mistake.