494 CHEMICAL AGENTS 



320. Owens, R. G. 1953b. Contribs. Boyce Thompson Inst. 17: 273-282. 



321. Page, J. E. and F. A. Robinson. 1943. /. Chem. Soc. (London) 1943: 133-135. 



322. Palmer, H. C, R. W. Greenlee, and M. M. Baldwin. 1952. Phytopathology 42: 

 472. 



323. Parker-Rhodes, A. F. 1942a. Ann, Appl. Biol. 29: 126-135. 



324. Parker-Rhodes, A. F. 1942b. Ann. Appl. Biol. 29: 404-411. 



325. Pauson, P. 1955. Chem. Revs. 55: 9-136. 



326. Pennington, R. J. 1957. Bioch em. J. (London) 65: 534-540. 



327. Petit, A. 1930. Ann. service botan. et agron. Tunisie 6: 57-70. 



328. Pfleger, R., E. Schraufstatter, F. Gehringer, and J. Sciuk. 1949. Z. Naturforsch. 

 4b: 344-350. 



329. Phillips, C. R. 1949. Am. J. Hyg. 50: 280-288. 



330. Phillips, J. N. and J. M. Vincent. 1948. Nature (London) 161: 210-211. 



331. Pickett, M. J. and C. E. Clifton. 1943. /. Cellular Comp. Physiol. 22: 147-165. 



332. Pinckard, J. A. et al. 1939. Phytopathology 29: 177-187. 



333. Plakidas, A. G. 1938. Phytopathology 28: 307-329. 



334. Pope, H. and I. Christison. 1953. /. Bacteriol. 66: 639-641. 



335. Potter, V. R. and A. E. Reif. 1952. /. Biol. Chem. 194: 287-297. 



336. Pramer, D. 1956. Arch. Biochem. Biophys. 62: 265-273. 



337. Pridham, T. G. et al. 1956. Phytopathology 46: 568-575. 



338. van Raalte, M. H. 1952. Mededel. Landbouwhogeschool en Opzoekingsstas. 

 Staat Gent 17: 163-173. (Chem. Abstr. 46: 11543. 1952.) 



339. Rahn, O. and J. E. Conn. 1944. Ind. Eng. Chem. 36: 185-187. 



340. Ramsey, G. B., M. A. Smith, and B. C. Heiberg. 1944. Botan. Gaz. 106: 74-83. 



341. Rangaswami, G. 1956. Mycologia 48: 800-804. 



342. Reavill, M. J. 1954. Ann. Appl. Biol. 41: 448-460. 



343. Reif, A. and V. R. Potter. 1954. Arch. Biochim. Biophys. 48: 1-6. 



344. Rennerfelt, E. 1948. Physiol. Plantarum 1: 245-254. 



345. Rennerfelt, E. and G. Nacht. 1955. Svensk Botan. Tidskr. 49: 419-432. 



346. Rich, S. and J. G. Horsfall. 1952. Phytopathology 42: 457-460. 



347. Rich, S. and J. G. Horsfall. 1954. Proc. Natl. Acad. Sci. U. S. 40: 139-145. 



348. Richards, C. A. and R. M. Addoms. 1947. Proc. Am. Wood-Preservers' Assoc. 

 1947: 41-58. (Chem. Abstr. 42: 4702-4703. 1948.) 



349. Richardson, L. T. 1954. Can. J. Botany 32: 335-346. 



350. Rigler, N. E. and G. A. Greathouse. 1940. Am. J. Botany 27: 701-704. 



351. Rinderknecht, H., J. L. Ward, F. Bergel, and A. L. Morrison. 1947. Biochem. 

 J. (London) 41: 463-469. 



352. Ringel, S. M. and E. S. Beneke. 1956. Mycologia 48: 329-336. 



353. Roblin, R. O., Jr. 1946. Chem. Revs. 38: 255-377. 



354. Rolinson, G. N. 1954. /. Appl. Bad. 17: 190-195. 



355. Roper, J. A. and E. Kafer. 1957. /. Gen. Microbiol. 16: 660-667. 



356. Rothstein, A. 1954. Symposia Soc. Exp. Biol. 8: 164-201. 



357. Rothstein, A. and A. D. Hayes. 1956. Arch. Biochem. Biophys. 63: 87-99. 



358. Rubbo, S. D., A. Albert, and M. I. Gibson. 1950. Brit. J. Exp. Pathol. 31: 425- 

 441. 



359. Sampson, R. E. and R. A. Ludwig. 1953. Can. J. Botany 31: 531-536. 



360. Sampson, R. E. and R. A. Ludwig. 1956. Can. J. Botany 34: 37-43. 



361. Sansome, E. R. 1949. Trans. Brit. Mycol. Soc. 32: 305-314. 



362. Sansome, E. R. 1956. Trans. Brit. Mycol. Soc. 39: 67-78. 



363. Schmidt, E. W. 1924. Centr. Bakteriol. Parasitenk. Abt. II, 60: 329-338. 



364. Schopfer, W. H. and E. C. Grob. 1949. Helv. Chim. Acta 32: 829-838. 



365. Schopfer, W. H. and M. Guilloud. 1946. Helv. Physiol. Pharmacol. Acta 

 (Compt. rend.) 4: 24-25. 



366. Schueler, F. W. 1947. /. Infectious Diseases 81: 139-146. 



367. Schuldt, P. H. and C. N. Wolf. 1956. Contribs. Boyce Thompson Inst. 18: 

 377-393. 



