ZOOLOGY — MARINE BIOLOGICAL LABORATORY. 



289 



During the season of 1905 the following twenty-five persons 

 occupied tables as stated : 



Andrews, Frank Marion, Indiana 

 University. '•^i* 



Brown, Orville Harry, St. Louis Uni- 

 versity. 



Clapp, Cornelia M., Mt. Holyoke 

 College. 



Conklin, E. G., University of Penn- 

 sylvania. 



Goldfarb, Abraham, Columbia Uni- 

 versity. 



Hargitt, C. W., Syracuse University... 



Hargitt, George Thomas, Syracuse 

 High School. 



Lambert, Avery E., State Normal 

 School, Framingham, Mass. 



Lefevre, George, University of Mis- 

 souri. 



Loeb, Leo, University of Pennsyl- 

 vania. 



Lewis, Warren H., Johns Hopkins 

 University. 



Lombard, Guy Davenport, Cornell 

 University. 



Meigs, Edward B., University of 

 Pennsylvania. 



Packard, Wales H., Bradley Poly, 

 technic Institute. 



Retzer, Robert, Johns Hopkins Uni- 

 versity. 



Shippen, L. P., University of Penn- 

 sylvania. 



Snowden, Louise Hortense, Univer- 

 sity of Pennsylvania. 



Stevens, Nettie M., Bryn Mawr Col- 

 lege. 



Stickney, Malcolm E., Denison Uni- 

 versity. 



Strong, R. M., University of Chicago.. 



Terry, Oliver P., St. Louis University.. 



Wallace, Louise Baird, Mt. Holyoke 

 College. 



Whitney, David Day, Columbia Uni- 

 versity. 



Wilson, Edmund B., Columbia Uni- 

 versity. 



Yamanouchi, Shigeo, University of 

 Chicago. 



Subject of investigation . 



Effect of alkaloids on vegetable 



protoplasm. 

 Anesthetics, alkaloidal salts, and 



certain eggs. 

 Air bladder of Opsanus tau. 



Localization in certain eggs. 



Studies in the regeneration of cer- 

 tain hydranths. 



Variations in the Medusae. 



Regenerative processes and struc- 

 tures. 



Morphology of invertebrate and 

 vertebrate brains. 



Parthenogenetic development in 

 the woim. 



Coagulation of the blood. 



Localization in the eggs of Ftin- 



dulus. 

 Investigations on the thyroid gland. 



Actions of the voluntary muscles of 



the frog. 

 Resistance of animals to lack of 



oxygen. 

 Muscle-fibers of the fish heart. 



Influence of eosin upon the devel- 

 opment of eggs, 

 Embryology of Crepidula. 



Insect spermatogenesis. 



Anatomy of grasses. 



Colors of birds. 

 Galvanotropism of Volvox. 

 Spermatogenesis of the spider. 



Segmentation of certain fertilized 



eggs 

 Sex-determination by study of 



chromosomes. 

 Cytological study of the algae. 



The assistant director of the laboratory, Dr. Frank R. Lillie, 



sent the following statement of the investigators at the laboratory 



during the season of 1905 ; thirty-five institutions were represented 



by 69 investigators : 



Zoology : 



Occupying rooms 43 



Occupying tables 6 



Physiology : 



Occupying rooms 10 



Occupying tables 2 



Botany : Occupying rooms 8 



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