VUl COOPERATION 



Jane E. Cason, Department of Pathology, Medical College of Alabama, Bir- 

 mingham, Alabama, January 27, 1951. 

 Mallory-Heidenhain Rapid One-step Stain for Connective Tissue. 

 Robert Chambers, Department of Biology, Washington Square College of New- 

 York University, New York, New York, May 15, 1950. 

 Micromanipulation. 

 E. R. Clark, Department of Anatomy, University of Pennsylvania, and the 

 Wistar Institute of Anatomy and Biology, Philadelphia, Pennsylvania, No- 

 vember 28, 1951. 

 Transparent Chamber Technique. 

 Barry Commoner, The Henry Shaw School of Botany, Washington University, 

 St. Louis 5, Missouri, November 27, 1951. 

 Microspectrophotometry. 

 A. H. Coons, Department of Bacteriology and Immunology, Harvard Medical 

 School, Boston, Massachusetts, August 31, 1951. 

 Antigen Localization. 

 W.P. CovELL, Departments of Anatomy and Otolaryngology, Washington Uni- 

 versity School of Medicine, St. Louis 10, Missouri, October 26, 1951. 

 Ear. 



E. W. Dempsey, Department of Anatomy, Washington University School of 

 Medicine, St. Louis 10, Missouri, February 26, 1951. 



Cholinesterase. 



Dehydrogenase. 



Enzymes. 



Esterases. 



Nucleases. 



Phosphatases. 

 W. T. Dempster, Department of Anatomy, University of Michigan, Ann Arbor, 

 Michigan and R. C. W^illiams, Department of Biochemistry, University of 

 California, Berkeley, California, June 9, 1950. 



Shadow Casting. 

 0. H. Duggins, Department of Anatomy, Washington University School of 

 Medicine, St. Louis 10, Missouri, May 18, 1950. 



Hairs (With Mildred Trotter). 



F. Duran-Reynals, Department of Microbiology, Yale University School of 

 Medicine, New Haven, Connecticut, October 8, 1951. 



Spreading Factors. 

 W. R. Earle, National Cancer Institute, Bethesda, Maryland, July 10, 1951. 



Tissue Culture. 

 LXrus Einarson, Normal-Anatomisk Institut, Aarhus Universitet, Aarhus, 

 Denmark, February 27, 1951. 



Gallocyanin-Chromalum Staining of Basophilic Cell Structures. 



