No. 1, July, 1920] PHYSIOLOGY 2] / 



ceptions of photosynthesis, with the purpose of ascertaining whether the theories regarding 



the chemistry of carbon aesimilatioo have I d affirmed, extended, or dieproven.— Ernat 



Artachwager. 



METABOLISM (GENERAL) 



L434. ANONYMOUS. Production of alcohol from algae. 8ci. Amer. Supplem. 87: 163. 1919 

 — An experiment with Laminaria digitata. •Chaa. II . Oi 



1435. Anonymous [J. D.[. Recherches recentes sur la biochlmie des hydrates de carbone. 

 [Recent investigations of the biochemistry of the carbohydrates.] Rev. Gen Sci. Puree et 

 Appliquees 30: 363-364. 1919. — Condensed summary of many papers, English, Frenoh, and 

 American. — G. J. Peirce. 



1136. B achmann, Fhkda M. Vltamine requirements of certain yeasts. Jour. Biol. Chem. 

 39: 235-257. PI. 1. 1919. — Different yeasts vary in their needs for some organic matter other 

 than sugar. Some grow in and ferment a solution containing sugar and inorganic salt - only, 

 even when they are introduced in small amounts. One yeast was found that required large 

 amounts of organic matter other than sugar. The substances added to Nageli's solution in 

 order to enable this yeast to produce fermentation were found to be rich in vitamines, espe- 

 cially water-soluble B. A marked similarity exists between the substances required by this 

 yeast and the vitamines necessary for the development of animals. — G. B. Rigg. 



1437. Cockerell, T. D. A. Notes on Coelogyne. Torreya 19: 227-228. 1919.— This 

 genus of orchids, including over a hundred species, is distributed from India to the New Heb- 

 rides. The black markings on the lip of C. pandurata Lindl., from Borneo, appear brown by- 

 transmitted light, and the pigment gives none of the anthocyanin reactions. It is suggested 

 that these reactions resemble those of curcumin. Anthocyanin seems to be absent in all 

 species of the genus. — J. C. Nelson. 



1438. Crocker, William. Catalase, respiration, and vitamines. [Rev. of two papers: 

 Dutches, R. Adams. Vitamine studies. I. Observations on the catalase activity of tissues 

 in avian polyneuritis. Jour. Biol. Chem. 36: 63-72. 1918. Appleman, C. O. Respiration 

 and catalase activity in sweet corn. Amer. Jour. Bot. 5: 207-209. 1918.] Bot. Gaz. 67: 179- 

 1S0. 1919. 



1439. Crocker, William. Soil acidity. [Rev. of: Hartwell, B. L., and F. B. Pember. 

 The presence of aluminum as a reason for the difference in the effect of the so-called acid soil 

 on barley and rye. Soil Sci. 6: 259-279. PI. 1. 1918 (See Bot, Absts. 2, Entry 1137).] Bot. 

 Gaz. 67: 519. 1919— See Bot. Absts. 4, Entry 1650. 



1440. Crocker, William. Fucosan vacuoles. [Rev. of: Kylin, Herald. Uber die 

 Fucosanblasen der Phaeophyceen. Ber. Deutsch. Bot. Ges. 36: 10-19. 1918 (See Bot. Absts. 

 2, Entry 573).] Bot. Gaz. 57: 518-519. 1919. 



1441. Crocker, William. Fat storage in evergreen leaves. [Rev. of: Meyer, Arthur. 

 Die angebllche Fettspeicherung immergrtiner Laubblfitter. Ber. Deutsch. Bot. Ges. 36: 5-10. 

 1918 (See Bot. Absts. 2, Entry 576).] Bot, Gaz. 67: 520. 1919. 



1442. Crocker, William. Loss of chlorophyll. [Rev. of: Meyer, Arthur. Eiweiss- 

 stoffwechsel und Vergilben der Laubblfitter von Tropaeolum majus. Festschrift aum Ernst 

 Stahl. P. 85-W. Jena, 1918.] Bot. Gaz. 67: 446-447. May, 1919.— Meyer has missed the 

 initiating cause of the loss of chlorophyll, because of unsatisfactory cultural experiments and 

 quantitative determinations, also because many of the phases are incompletely worked out, 

 some of the gaps being filled with data drawn from other workers on very different materials. 

 Schertz, in an unpublished paper from the Hull Botanical Laboratory, University of Chicago, 

 finds that in Colev* Blumei shortage of nitrogen initiates all of the decomposition of nitrogen 



