EVENING LECTURES, 1909 



T. H. Morgan " Mendelian Inheritance of Coat and 



Eye Color in Mice " July 6. 



A. P. Mathews " The Mechanism of Some Proto- 

 plasmic Combustions " July 9. 



Ross G. Harrison " Protoplasmic Movement as a Fac- 

 tor in the Development of the 

 Nervous System " July 13. 



C. B. Davenport " Variation in Dominance " July 16. 



Henry Kraemer " Experiments on the Modification 



of Color in Plants " July 23. 



T. H. Montgomery, Jr. . . " Architectural Habits of Spiders " July 27. 



W. L. Tow^ER " The Role of External Factors in 



Variation and Heredity " .... July 29. 

 H. H. Newman "A Unique Form of Reproduction 



in the Nine-banded Armadillo " July 30. 



M. M. Metcalf " The Protozoan Nucleus " Aug. 6. 



C. H. EiGENMANN "An Expedition to British Guiana 



and the Kaieteur " Aug. 9. 



G. H. Parker "Sponge Reactions and the Origin 



of the Nervous System " .... Aug. 11. 



236 



