The American Naturalist 



A Monthly Journal, established in 1867, Devoted to the Advancement of the Biological Science* 

 with Special Reference to the Factor, of Organic Evolution and Heredity 



OONTENT8 OF THE APRIL NUMB c E * 

 A Mechanism for Organic Correlation. ' Professor G. H. 

 ^^wli^Su^SSt^ Nsdtltt IMpnd^Te^nlcutres. 

 The Progress of Plant Anatomy Daring the Last 



Shorter Articles and Correspondence: A Note on the 

 1, ; .\. , i • i 



Note^ajndjfte^ Natu^ofJHLTn^t" 



The General Entomological Ecology of the Indisi Corn 



Notes and Literature: Biometrics— Some Recent Studies 

 on Growth. Dr. Raymond Pearl. Experimental 

 Zoology— Cuenot on the Honey Bee, Professor T. H. 

 Morgan. The Upholding of Danrtn-Poulton and 



CONTENT8 OFTHE JUNE NUMBER 



Heredity and^Variation in the Simplest Organisms. 

 The Color Sense of the Honey Bee— Is Conspicuous- 

 ^ ness an Advantage to FlowcraJ^Jora^fovELL. 



P *"gj«j^ Professor 

 The Present Problems of Physiological Plant 



„ Ecology. Db. Burton LnmrorfoK. 



Notes andf Literature : Notes on Evolution, V. L. K. 

 DeVries's Species and Vsrtetes, Dr. Giorgr H. 



DfL t^WeOumooa. ° m * reS ° f ^° 8 ' a Egg " 



CONTENT8 OF THE JULY NUMBER 



Shorter Articles and Correspondence : E ™*j^? 

 Notes and Literature : ^eredi^-A Case^of Non-Mea- 



CONTENTS OF THE AUGUST NUMBER 



The New Flora of Krakatau. Professor Douglas 



Hocghto* Campbell. 

 A M *^'^ fi D l ^^ b So™ Female Organs. Professor 

 Present Problems in Plant Ecology : 



^Prufewo V^ ** 1 Dtotin " rtlon 00 Arid Begions. 



Professor T^uL^o^^*" ^ ®^ 



CONTENTS OF 8EPTEMBER NUMBER ^ 



Notes on ^^^P^ ^^^^^^, ^ 



',. 'A : -, - : • I.. lil*::r:>. 



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