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A Monthly Journal. e.tabl»hed in 1867. Devoted to the Advancement of the Biological Science* 

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



CONTENTS OF JUNE NUMBER 



ants. Dr. J. Arthur Harris. 



The Inconstancy of Unit Characters. Professor W. 

 E. Castle. 



Shorter Articles and Discussions: Inheritance of 

 Color in theAleurone Cells of Maize: Professor 

 E. M. East. Nuclear Growth during Early De- 

 Principle and Natural Selection. Dr. Eos-well H. 



Contents of july number 



of the Tricolor Coat in Guinea-pigs, and Its Rela- 

 tion to Galton's Law of Ancestral Heredity. Pro- 

 fessor W. E. Castle. 



A Case^oMMymoip^m in Asplanchna simulating 

 Fishes. UI &enr7 'wfFowler!*^ 11 ' ]Fre8h wmt * r 



Shorter Articles and Discussion . The Production 

 of Pure Homozygotic Organisms from Het- 

 erozygoses by Self-fertilization, Professor H. 

 Mlce^not^assafia?^ 



On Fairness and^ Proc f s8e , 8 '. Dt ^' |- Cook - 



CONTENT8 OF SEPTEMBER NUMBER 



Asymmetric Color Resemblance in the Guinea Fig. 



On Differential Mortality with Respect to Seed 

 We^htoccurring ^ n t ^ rieI ^ Cultures of Phaseolua 



Mutation. Professor J. H^Powenu"* BJmtda * 



Notes and Literature: American Permian Verte- 

 brates, Dr. O. P. Hay. Federley's Breeding Ex- 

 periments with the Moth Pygaera. A. H. Stur- 



CONTENT8 OF OCTOBER NUMBER 

 I. Game«c_Coupling as a Cause of Correlations. 



V. A^ewJubspecieB of Zea mays L. Dr. Walter 

 PTOfeaaox'wm I? Ritte ^ °' 0rKanic B ^* 8 * 



I. The Mendelian Notation as a Description of 

 Physiological Facts. Professor E. M. East. 



IV. Shorter Articles and Discussion : On Tricolor 

 ^ HaWoorn. 88 Gmnea " plgs " AremL L " 



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