X COOPERATION 



R. D. HoTCHKiss, The Rockefeller Institute for Medical Research, New York 

 21, New York, November 14, 1951. 

 Polysaccharides. 

 M. H. Knisely, Department of Anatomy, University of South Carolina, Charles- 

 ton, South Carolina, June 27, 1950. 

 Quartz Rod Technique for Illuminating Living Organs. 

 N. B. KuRNiCK, Department of Medicine, Tulane University, New Orleans 12, 

 Louisiana, January 31, 1951. 

 Aceto-Orcein-fast Green. 

 Edward L. Kuff, Department of Anatomy, Washington University School of 

 Medicine, St. Louis, Missouri, December 18, 1951. 

 Nucleic Acid-Dye Interactions. 

 A. I. Lansing, Department of Anatomy, Washington University School of 

 Medicine, St. Louis 10, Missouri, October 5, 1951. 

 Collagenic Fibers. 

 Elastic Fibers. 

 A. Lazarow, Department of Anatomy, Western Reserve University School of 

 Medicine, Cleveland, Ohio, November 28, 1951. 

 Separation of Cell Components by DiflFerential Centrifugation. 

 C. P. Leblond and R. Bogoroch, Department of Anatomy, McGill University, 

 Montreal, Canada, September 12, 1951. 

 Radioautographic Technique. 

 R. D. LiLLiE, Division of Pathology, National Institute of Health, Bethesda, 

 Maryland, May 8, 1950. 

 Azure or Toluidin Blue Eosin. 



A. M. Lucas, U. S. Regional Poultry Research Laboratory, East Lansing, Michi- 

 gan, August 10, 1951. 



Cilia (with M. S. Lucas). 

 M. S. Lucas, Department of Biological Science, Michigan State College, East 

 Lansing, Michigan, August 10, 1951. 

 Cilia (with A. M. Lucas). 

 Plastics. 



B. J. LuYET, Department of Biology, St. Louis University, St. Louis, Missouri, 

 January 15, 1951. 



Revival after Ultra Rapid Cooling. 



C. C. Macklin, Department of Anatomy, University of Western Ontario, Lon- 

 don, Ontario, Canada, November 28, 1951. 



Alveolar Epithelium. Gash Irrigation Recovery Method 



Alveolar Fluid. for Lung CeUs (GO- 



Alveolar Foam Cells. Heart Failure Cells. 



Alveolar Pores. Lungs, Uncollapsed, Fixation. 



Ammoniacal Silver. Pneumonocytes. 



Aquax. Silver Lineation on Pulmonary Al- 



Bronchiolar Epithelium. veolar Walls. 



