io6 



DISTRIBUTION IN NATURE 



IX 



342. O. Bailly, Bull. Acad. Med. loy 



(1935) 932. 



343. L. Zechmeister and P. Tuzson, Z. 

 physiol. Chem. 234 (1935) 241. 



344. L. Zechmeister and P. Tuzson, Z. 

 physiol. Chem. 23g (1936) 147. 



345. G. Gaehtgens, Klin. Wochschr. 16 



(1937) 894. 1073- 



346. H. Fischer and H. Rose, Z. physiol. 

 Chem. 88 (1913) 331. 



347. H. Fischer and R. Hess, Z. physiol. 

 Chem. 187 (1930) 133. 



348. D. H. DoLLEY and F. V. Guthrie, 

 /. Med. research 42 (1921) 289. 



349. G. Piccolo and A. Lieben, Giorn. Sci. 

 nat. econ. Palermo 2 (1886) 258. 



350. F. Holm, /. prakt. Chem. 100 {1867) 

 142. 



351. J. L. W. Thudichum, Proc. Roy. Soc. 

 (London) 17 (1869) 253. 



352. H. H. EscHER, Z. physiol. Chem. 83 

 (1913) 198. 



353. R. KuHN AND E. Lederer, Z. physiol. 

 Chem. 200 (1931) 246. 



354. P. Karrer and W. Schlientz, Helv. 

 Chim. Acta 17 (1934) 55. 



355. H.v. EuLERand E. Klussmann, Chem. 

 Centr. 1932, I, 3458. 



356. R. Kuhn and H. Brockmann, Z. 

 physiol. Chem. 206 (1932) 41. 



357. H. V. Euler and E. Klussmann, 

 Chem. Centr. 1932, I, 3458; Chem. 

 Centr. 1932, II, 2202 ; Biochem. Z. 250 

 (1932) I. 



358. H. V. Euler, B. Zondek and E. 

 Klussmann, Chem. Centr. 1933, I, 

 801. 



359. F. Maass, Arch. mikr. Anat. 34 (1889) 

 452. 



360. L. S. Palmer and C. H. Eckles, /. 

 biol. Chem. ly (1914) 191. 



361. L. S. Palmer,/. Biol. Chem. 27 (1916) 

 27. — L. S. Palmer, C. Kennedy 

 and H. L. Kempster, /. hiol. Chem. 

 46 (1921) 559- 



362. L. S. Palmer and C. H. Eckles, J. 

 biol. Chem. ly (191 4) 237. 



363. H. Paffrath and A. Consten, Z. 

 Kinderheilk. 42 (1926) 51; B. ges. 

 Physiol. 38 (1927) 816. 



364. A. E. Gillam and M. S. El Ridi, 

 Biochem. J. 30 (1936) 1735. 



365. F. Smith, /. Physiol. 15 (1894) 162. — 

 L. S. Palmer and C. H. Eckles, /. 

 biol. Chem. ly (1914) 221. 



366. A. F. Hess and V. C. Myers, /. Am. 

 Med. Assoc. 73 (1919) 1743. 



367. MiuRA, Keizo Dohi Commemoration 

 Volume, Tokyo 191 7, 203. 



368. ScHUSSLER, Munich med. Wschr. 66 

 (1919) 597. — H. Salomon, Wiener 

 Klin. Wschr. 32 (19 19) 495. 



369. A. A. Hymans, H. van den Bergh 

 and J. Snapper, Dtsch. Arch. klin. 

 Med. no (1913) 540. 



370. L. S. Palmer, Carotenoids and related 

 Pigments, New York 1922. 



371. H. V. Euler and H. Hellstrom, 

 Svensk Kem. Tidskr. 45 (1933) 203. — 

 O. Brunner, E. Baroni and W. 

 Kleinau, Z. physiol. Chem. 236 (1935) 

 257. — G. Wald, Nature London, 134 



(1934) 65; G. Wald and A. B. Clark, 

 /. gen. Physiol. 21 (1938) 93- 



372. W. J. Dann, Biochem. J. 2y (1933) 

 1998; 30 (1936) 1644. 



373. H. Wendt, Klin. Wochschr. 15 (1936) 

 222. 



374. E. Lonnberg, Arkiv. Zool. 21, A, (1930) 

 » No. II, I. 



375. R. KuHN, J. Stene and N. A. Soren- 

 SEN, Ber. 72 (1939) 1688. 



376. G. Wald and H. Zussman, /. biol. 

 Chem. 122 (1938) 449. 



377. Krukenberg, of. Physiol. Stud. Ser. I, 

 part 5(1881) 72; Ser. II. part i (1882) 

 151; vol. 2 (1882) i; part 3 (1882) 128. 



378. H. Brockmann and O. Volker, Z. 

 physiol. Chem. 224 (1934) 193. 



379. E. Lonnberg, Arkiv. Zool. 31, A, (1938) 

 No. I. 



380. E. Lonnberg, Arkiv. Zool. 21, A, (1929) 

 No. 10, I. 



381. J. T. Cunningham, C. A. MacMunn, 

 Trans. Roy. Soc. (London) Ser. B 184 



(1893) 765. 



382. E. Lonnberg, Arkiv. Zool. 2j A(i93i) 

 No. 16, I. 



383. C. F. W. Krukenberg, cf. Physiol. 

 S/wi. Ser.II,part2(i882)55; part3, 138. 



384. Tutyia, Bull. Soc. Sci. Fisheries 3 



(1935) 242. 



385. E. Lederer, Compt. rend. Soc. Biol. 

 118 (1935) 542- 



386. A. Weissberger and H. Bach, A^'a- 

 turwissenschaften 20 (1932) 350. 



387. H. V. Euler and co-workers, Z. 

 physiol. Chem. 228 (1934) 77. 



388. N. A. SoRENSEN, Z. physiol. Chem. 

 235 (1935) 8. 



