140 Comparative Animal Physiology 



42. Fraenkel, G., and Blewett, M., Biochem. ]. 41:475-478 (1947). Linoleic acid 

 in nutrition of Ephestia and Tenebrio. 



43. Fraenkel, G., Blewett, M., and Coles, M., Nature 161:981 (1948). Vitamin 

 Bxin insect nutrition. 



44. Fraenkel, G., Reid, J. A., and Blewett, M., Biochem. }. 35:712-720 (1941). 

 Sterol requirements of larva of beetle Dermestes. 



45. Goldberg, L., and DeMeillon, B., Biochem. ). 43:372-379 (1948). Lipoid 

 requirements of Aedes larvae. 



46. Goldberg, L., and DeMeillon, B., ;. BioZ. C^ew. 43:379-387(1948). Protein 

 and amino acid requirements of Aedes larvae. 



47. Goldberg, L., DeMeillon, B., and Lavoipierre, M., /. Exper. Biol. 21:84-96 

 (1945). B vitamin requirements of Aedes larvae. 



48. Green, R. G., Carlson, U. E., and Evans, C A., /. Nutrit. 21:243-256 (1941). 

 Anti-thiamine action of fresh fish fed to foxes. 



49. Hall, R. P., Quart. Rev. Biol. 14:1-12 (1939). Synthetic capacity of flagellates. 



50. Hall, R. P., Physiol. Zool. 17:200-209 (1944). Effects of vitamins on ciliate, 

 Glaucoma. 



51. Hall, R. P., and Loefer, J. B., Protoplasma 26:321-330 (1936). Failure of 

 Chilomonas to grow without organic nitrogen. 



52. Handler, P., Ztschr. Vitaminforsch. 19:393-451 (1948). Role of nicotinic acid 

 in pellagra. 



53. Harris, L. E., and Mitchell, H. H., /. Nutrit. 22:167-182 (1941). Utilization 

 of urea nitrogen by ruminants. 



54. Haydek, M. H., and Vivino, A. E., Arch. Biochem. 2:201-207 (1943). B vitamin 

 content of honey-bees. 



55. HooG, E. G. v., Ztschr. Vitaminforsch. 4:300-324 (1935), ibid. 5:118-126 

 (1936). Aseptic culture of Drosophila. 



56. Horowitz, N. H., Proc. Nat. Acad. Sci. 31:153-157 (1945). Evolution of bio- 

 chemical synthesis. 



57. Howes, N. H., Biochem. ). 31:1489-1498 (1937). Culture of Hehx. 



58. HuTCHENS, J. O., ;. Cell. & Camp. Physiol. 16:265-267 (1941). Need of Chilo- 

 monas for iron and thiamine. 



58a. HuTCHENs, J. A., Jandorf, B. J., and Hastings, A. B., /. Biol. Chem. 138:321- 

 325 (1941). Synthesis of nicotinic acid by Chilomonas. 



59. HuTNER, S. H., Provasoli, L., et al., Proc. Soc. Exper. Biol. & Med. 70: 118-120 

 (1949). Need of Euglena for "anti-pernicious anemia factor." 



60. Jahn, T. L., ArcJi. Protisf. 86:251-262(1935). Nutrition of Euglena gracihs on 

 synthetic medium. 



61. Johnson, B. C, Wiese, A. C, et al., /. Biol. Chem. 167:729-736 (1947). 

 Growth of calves without nicotinic acid. 



62. Johnson, W. H., Quart. Rev. Biol. 16:336-348 (1941). Nutrition of the Protozoa. 



63. Jukes, T. H., Stokstad, E. L. R., and Belt, M., /. Nutrit. 33:1-12 (1947). 

 Vitamin requirements of young turkeys. 



64. JuNGULiRA, P. B., and Schweigert, B. S., ). Biol. Chem. 175:535-546 (1948). 

 Synthesis of nicotinic acid by rats. 



65. Kidder, G. W., Arch. Biochem. 9:51-55 (1946). Folic acid requirement of 

 Tetrahymena. 



66. Kidder, G. W., and Dewey, V. C, Growth 6:405-418 (1942). Thiamine 

 synthesis by microorganisms. 



67. Kidder, G. W., and Dewey, V. C, Biol. Bull. 87:121-133 (1944). Thiamine 

 and growth of Tetrahymena. 



68. Kidder, G. W., and Dewey, V. C, Arch. Biochem. 6:425-432 (1945). Amino 

 acid requirement of Tetrahymena. 



69. Kidder, G. W., and Dewey, V. C, Physiol. Zool. 18:136-157 (1945). Strain 

 differences in nutrition of Tetrahymena. 



70. Kidder, G. W., and Dewey, V. C, Arch. Biockem. 8:293-301(1945). Properties 

 of unknown factors for Tetrahymena. 



71. Kidder, G. W., and Dewey, V. C, Biol. Bull. 89:229-241 (1945). B vitamin 

 requirements of Tetrahymena. 



