VOL. XXXVIII, NO. 450 JUNE, 1904 



THE 



AMERICAN 

 NATURALIST 



A MONTHLY JOURNAL 



DEVOTED TO THE NATURAL SCIENCES 

 IN THEIR WIDEST SENSE 



CONTENTS 



Page 



I. Charles Emerson Beecher DR. R. T. JACKSON 407 



n. Variation in the Bay Flowers of the Common Cone Flower (Kudbeckia hirta) 



F. C. LUCAS 427 



in- Studies on the Plant Cell.- II DE. BEADLEY MOOE DAVIS 431 



IV. Notes and Literature : Zoology, Notes on Recent Fish Literature Botany, 471 



Notes 474 



V- Publications Eeceived 479 



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