64 E. Otto: Chemische Physiologie. 1(34 



552, Ingle, H. The avaible plant-food in soils. (Proc. ehem. Soc. 

 London, 1904, Nov. 12.) 



Referat s. Bot. Centrbl., 1905, Bd. XOVIII, p. 171. 



553. Bergen, J. V. Relative transpiration of old and newleaves 

 of the Myrtus type. (Bot. Gaz., XXXVIII [1904], No. 6, p. 446—452.) 



Referat s. Bot. Centrbl, 1905. Bd. XCVIII, p. 276 



654. Bordenave, L. Sur la gazeification des combustibles vege- 

 taux et la generation dune force motrice economique en Agri- 

 culture. (C. R. Acad. Sei. Paris, CXXXIX [1904], 24, p. 1046—1048.) 



555. Morgan, T. H. Ad analysis of the Phenomena of organic 

 „polarity". (Science N. S., XX [1904], p. 742—748.) 



Referat s. Bot. Centrbl., 1905, Bd. XCVIII, p. 166. 



556. Amand, A. La disparition du Bios de Wildiers dans les 

 Cultures de Levure. (Cellule, XXI [1904], 2, p. 827—346.) 



557. Carleton, M. A. and Chamberlain, J. L. The commercial states 

 of Durum (hard) Wheat. Vegetale pathological and physiological investi- 

 gationes. (Bull. U. S. Depart. Agric, Washington 1904, 8°, 70 pp., with 6 pl.) 



558. Schibata, K- Studien über die Chemotaxis von Isoetes- 

 Spermatozoiden. (V.M.) (Ber. D. Bot. Ges., XXII [1904], H. 8, p. 478-484.) 



559. Biscoe. W. F. A large Indican Mahogany tree. (Indian 

 Forester, vol. XXXI [1905], p. 34.) 



560. Salvoni, 31. Sulsignificatofiscologico dellatrasformazione 

 autunnale degli idrati di carbonio in grassi. (Atti R. Ist. bot. Univ. 

 Pavia, Ser. 2, XI [1905], p. 23—28.) 



Referat s. Bot. Centrbl., 1906, Bd. CI, p. 206. 



661. tJola, 0. Lo zolfo e i suoi compositi nell' econoinia delle 

 piante. Contrib. III. (Malpighia, vol. XVIII [1904], p. 467—482.) 



Referat s. Bot. Centrbl., 1905, Bd. XCVIU, p. 245. 



562. Ganong, W. F. New precision-appliances for use in plant 

 physiology. (Bot. Gaz., vol. XXXIX [1905], 2, p. 145—152, with 4 figs.) 



Referat s. Bot. Centrbl., 1905, Bd. XCVIII, p. 596. 



663. (luttenberg, H. Ritter von. Beiträge zur physiologischen 

 Anatomie der Pilzgallen. Leipzig, W. Engelmann, 1906, 8°, III, 70 pp., 

 mit 4 lith. Taf. 



Referat s. Bot. Centrbl., 1905. Bd. XCVIII, p. 573. 



564. Pransnitz, C. Zur Natur des Heufiebergiftes und seines 

 spezifischen Gegengiftes. (Berlin, Klin. Wochenschr. , XCII [1905], 

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Referat s. Bot. Centrbl., 1905, Bd. XCVIII, p. 599. 



665. Spalding, V. M. Soil Water in Relation to Transpiration 

 (Torreya, V [1906], p. 25—27.) (Problem a complicated' one, but concludes it 

 is evident, from the writers experiments with Covillea, that it is unsafe to 

 investigate the question without taking due aecount of the water in the soil. 

 — H. M. Richards. New York.) 



566. Shaw, W. N. On a relation between autumnal rainfall, 

 and the yield of wheat of the following year. Prehm. Note. (Proc, 

 Roy. Soc. London, vol. LXXIV [1906], p. 652—563.) 



667. Livingston, B. E. Notes on the physiology of Stigeoclonium- 

 (Bot. Gaz., XXXIX [1906], No. 4, p. 297-300, with 3 figs.) 



Referat s. Bot. Centrbl., 1905, Bd. XCIX, p. 162. 



