282 PHOSPHORUS 



the Embryo and Larva of the Frog, Proc. Soc. Expil. Biol. Med., 78: 437-441 

 (1951). 



P-13. Branson, Herman, Martin Brooks, and Pauline F. Piper: The Order of Utiliza- 

 tion of Phosphorus Compounds in the Egg by the Chick Embryo, Science, 112 : 

 357-358 (1950). 



P-14. Stevens, Kingsley M.: Relation of Uptake of Radiophosphorus into Nucleic 

 Acids to Age of Developing Chick Embryos, Cancer Research, 12: 62-64 (1952). 



P-15. Hassett, C. C, and D. W. Jenkins: The Uptake and Effect of Radiophosphorus 

 in Mosquitoes, Physiol. ZooL, 24: 257-266 (1951). 



P-16. Olsen, Sterling R., and Robert Gardner: Utilization of Phosphorus from Various 

 Fertilizer Materials. IV. Sugar Beets, Wheat, and Barley in Colorado, Soil 

 Sci., 68: 163-169 (1949). 



P-17. MacKenzie, A. J., and L. A. Dean: Measurement of P^- in Plant Material bj' 

 the Use of Briquets, Anal. Cheyn., 22: 489-490 (1950). 



P-18. Kristjanson, A. M., H. G. Dion, and J. W. T. Spinks: Hollow Cylinder Method 

 of Measurement of P^^ in Plants, Can. J. Technol., 29: 496-501 (1951). 



P-19. McAuliffe, Clayton: Determination of Radiophosphorus in Plant Material by 

 Solution Counting, Anal. Chem., 21: 1059-1061 (1949). 



P-20. Singsen, E. P., L. D. Matterson, and Anna Kozeff: Phosphorus in Poultry 

 Nutrition. IV. Radioactive Phosphorus as a Tracer in Studying the Metab- 

 olism of Phytin by the Turkey Poult, Potdtry Sci., 29: 635-639 (1950). 



P-21. Rabideau, Glenn S., W. Gordon Whaley, and Charles Heimsch: The Absorp- 

 tion and Distribution of Radioactive Phosphorus in Two Maize Inbreds and 

 Their Hybrid, Am. J. Botany, 37: 93-99 (1950). 



P-22. Labaw, Louis W., Vernon M. Mosley, and Ralph W. G. Wyckoflf: Radioactive 

 Studies of the Phosphorus Metabolism of Escherichia coli, J. Bacteriol., 59: 

 251-262 (1950). 



