January, I'.f-'OI PHYSIOLOGY III 



hours, which w:is considered a sal isfactory growth . Indol formal ion and the effecl of phenol 

 were satisfactorily demonstrated through the use of yeast bouillon and on analysis Ll - consti- 

 tution was found to be much more constant than peptone bouillon. The cost of the 

 medium was found to be about one-fifteenth that of bouillon made with peptone. — V. II. 



Young. 



128. Ghosh, Manmatiianath. Notes on the hydrocyanic acid content of Jowar. fAndro- 

 pogon Sorghum). Agric. Jour. India 14: 107-115. 1919. — The cyanogenetic glucoside present 

 in jowar occurs principally in the leaves and young shoots; the stalk contains only a small 

 amount. The young shoots are very poisonous. Jowar grown in soils having abundant mois- 

 ture contains less hydrocyanic acid than that grown on dry soil. There was found a greater 

 nitrogen accumulation in the leaves than in the stalks. The appearance of the greater amount 

 of nitrogen with the greater proportion of hydrocyanic acid is taken as an indication that the 

 production of the glucoside is correlated with the production of the nitrogenous matter and 

 lends support to the theory that HCN1 is an intermediate product in protein formation.— J. ./. 

 Skinner. 



129. Johns, Carl O., A. J. Finks, and Mabel S. Paul. Studies in nutrition. I. The 

 nutritive value of coconut globulin and coconut press cake. Jour. Biol. Chem. 37 : 497-5' 1 2. 

 1919.— See Bot. Absts. 2, Entry 1271. 



130. Morgan, Agnes Fay, and Alice M. Heinz. Biological values of wheat and almond 

 nitrogen. Jour. Biol. Chem. 37: 215-222. 1919. 



131. Posternak, S. Sur deux sels crystallises du principe phospho-organique de 

 reserve des plantes vertes. [Two phospho-organic salts in the reserve of green plants.] 

 Compt. Rend. Acad. Sci. Paris, 168: 1216-1219. 1 fig. 1919— After brief mention of a 

 number of methods for the demonstration of phospho-organic substances in plants, the 

 author describes two salts of phospho-organic nature which he has been able to isolate and 

 crystallize from plant tissues, together with his methods for isolating them. These two 

 substances, a double salt of calcium and sodium and a salt of sodium, have the following 

 empirical formulas: C 6 Hl 2 27 Pg Ca 2 Na 8 and C 2 H 4 9 P 2 Na 4 — V. H. Young. 



132. Sando, Chas. E. Endothia pigments. II. Endothine red. Amer. Jour. Bot. 6: 

 242-251. 3 fig. 1919. — A pigment named by the author "endothine red" and produced 

 by Endothia fluens, was successfully isolated and its chemical characteristics studied and 

 described. Evidence is presented that its formula is C7H5O4, and that it is related 

 to the members of the pyrocatechin group.— E. W. Sinnolt. 



133. Schaeffer, G. Facteurs accessoires de la croissance et de l'equilibre. Vitamines ; 

 auximones. [Accessory factors of growth and equilibrium. Vitamines; auximones.] Bull. 

 Inst. Pasteur. 17 : 1-21, 41-59. Fig. 1-10. 1919.— This is a review of the advance of the knowl- 

 edge on vitamines as food accessories, made during the years 1917-1918, and constitutes the 

 continuation of a review that appeared in Bull. Soc. Sci. d'Hyg. 4 5,6 , 1918, which covered the 

 period 1914-1917. The subject is divided as follows: (1) Quantitative and qualitative needs 

 in growth and equilibrium. (2). Vitamines or accessory factors of growth and equilibrium 

 according to McCallum and Davis. (3). Avitaminosis. (4). Quantitative variations of vita- 

 mines in the regime, minimum quantities necessary. (5). Are other avitaminoses than tho.?e 

 brought about by lack of the A and B forms of McCallum possible? (6) Physiological sig- 

 nificance of vitamines. (7). Origin of vitamines. (8) Origin and role of vitamines in phaner- 

 ogams, auximones of Bottomley and Mockeridge. (9) Bacterial origin of auximones, work of 

 Mockeridge. (10) Vitamines, auximones and bacteria. (11) Aseptic life and vitamines. 

 (12) Symbiotes and vitamines. (13) Conclusions. An extended list of the literature is given. 

 The importance of the present paper from a botanical standpoint lies in the connection es- 

 tablished by the author between the zoological and botanical phases of the problem. The lack 

 of careful studies on the vitamines of pure cultures of yeast leaves a gap only partially filled 



