XI. WHEN TO USE SPECIAL MICROSCOPES 379 



34. Harvey, E. N., and A. M. Chase, Rev. Sd. Instruments, 13, 365 (1942) 



(phosphorescence microscope). 



INTERFERENCE MICROSCOPY 



35. Tolansky, S., /. Sci. Instruments, 22, 161 (1945); Phil. Mag., 37, 390 



(1946). 



36. Grenham, C. G., Australian J. Sci., 9, 26 (1946). 



37. Merton, T., Proc. Roy. Soc. London, A 189, 309 (1947). 



SS. Williams, W. E., Applications of Interferometry. Button, New York, 

 1930. 



PHASE MICROSCOPY 



39. Bennett, A. H., H. Jupnik, H. Osterberg, and 0. W. Richards, Trans. 



Am. Microscop. Soc, 65, 99 (1946); A. H. Bennett, Sci. Monthly, 

 63, 191 (1946). 



40. Richards, 0. W., Cold Spring Harbor Symposia Quant. Biol., 11, 208 



(1947); J. Biol. Phot. Assoc, 16, 29 (1947); Stain Technol, 23, 55 

 (1948). 



MICROMANIPULATION 



41. Barber, M. A., Philippine J. Sci., B9, 307 (1914); J. Roy. Microscop. 



Soc, 1915, 71. 

 43. Policard, A., La methode de la microincineration. Actualites scientifiques 

 et industrielles, No. 765, Hermann, Paris, 1938. 



43. Boyd, G. A., J. Biol. Phot. Assoc, 16, 65 (1947). 



SPECIALIZED MICROSCOPES 



44. Lucas, F. F., /. Franklin Inst., 217, 661 (1934). 



45. Graton, L. C., and E. B. Dane, Jr., /. Optical Soc. Am., 27, 355 (1937). 



46. Harvey, E. N., Science, 77, 430 (1933); J. Franklin Inst., 214, 1 (1932). 



ILLUMINATION 



47. Dempster, W. T., /. Optical Soc. Am., 34, 695, 711 (1944). 



REFLECTING MICROSCOPES 



48. Bouwers, A., Achievements in Optics. Elsevier, New York, 1946. 



49. Burch, C. R., Proc Phys. Soc. London, 59, 41, 47 (1947). 



50. Johnson, B. K., Proc Phys. Soc. London, 51, 1034 (1939) ; 53, 714 (1941). 



51 . Snook, H. C, U. S. Pats. 2,153,010 (1939); 2,218,270 (1940). 



ACCESSORIES 



52. Jelley, E. E., /. Roy. Microscop. Soc, 56, 101 (1936); 62, 93 (1942). 



53. Alber, H. K., and J. T. Bryant, Ind. Eng. Chem., 12, 305 (1940). 

 64. Olson, C., J. Lab. Clin. Med., 27, 939 (1942). 



