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Cullison, Aline, East Chicago, Indiana, Box 404. 



Instructor, Botany, in East Chicago High School. 

 Damron, Oliver E., Valparaiso. 



Mathematics, Valparaiso University. 

 Daniels, Lorenzo E., Rolling Prairie. 



Retired Farmer. 



Conchology. 

 Davis, Melvin K., 215 W. 12th St., Anderson. 



Instructor, Anderson High School. 



Physiography, Geography, Climatology. 

 Dean, John C, University Club, Indianapolis. 



Astronomy. 

 Demaree, Juan B., State House, Indianapolis. 



Deputy State Entomologist. 



Botany. 

 Denny, Martha L., Arbutus Apartments, Bloomington. 



Graduate Student in Zoology, Indiana University. 

 Deppe, C. A., Franklin. 



Franklin College. 

 Dietz, Harry F., Federal Horticultural Hall, Washington, D. C. 



Entomology, Eugenics, Parasitology, Plant Pathology. 

 Doan, Martha, Richmond. 



Professor of Chemistry, Earlham. 

 Dolan, Jos. P., Syracuse. 

 Dostal, Bernard F., Philadelphia, Pa. 



Laboratory of Physics, University of Pennsylvania. 

 Douglas, Benjamin W., Trevlac. 



Fruit Culture. 

 Downhour, D. Elizabeth, 2307 Talbott Ave., Indianapolis. 



Zoology and Botany, Teachers College. 

 Driver, Chas. C, 416 E. 4th St., Bloomington. 



Graduate Student in Zoology, Indiana University. 

 DuBois, Henry M., 1408 Washington Ave., LaGrande, Oregon. 



Palaeontology and Ecology. 

 Duncan, David Christie, State College, Pa. 



Assistant Professor Physics, Pennsylvania State College. 



