BIOCHEMISTRY

E. N. Besinger, V. S. Chigirev, N. M. Sisakian. Lipoaminoacid compounds of chloroplasts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1424

V. I. Iakoleva, V. I. Liubimov, L. P. Loseva, W. L. Kretovich. Glutamate-dehydrogenase of Azotobacter vinelandii . . . . . . . . . . . . . . . . . . . 1427

PLANT PHYSIOLOGY

I. I. Gunar, A. M. Siniukhin, I. A. Ozolina. Rest potential of cells of Nitella flexilis, filled up with artificial saline solutions . . . . . . . . . . . . . . . 1430

I. M. Kisliuk. Effect of light on the injury of leaves of Cucumis sativus L. during cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1434

M. I. Potapov. New lectines (phytagglutinins) anti-N₂, discovered by means of purposive search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1437

I. A. Shul’gin, V. Z. Podol’nyi. The effect of radiation intensity on the development and growth of plants, as dependent on the length of photoperiod and temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1439

PHYTOPATHOLOGY

D. V. Lipsits. Immunochemical studies of proteins from both cancer resistant and susceptible potato varieties . . . . . . . . . . . . . . . . . . . . . . 1443

B. A. Rubin, T. M. Ivanova, M. A. Davydova. Synthesis of peroxidose in infected cabbage tissues as an immunity reaction . . . . . . . . . . . . . . . . . 1447

EXPERIMENTAL MORPHOLOGY

M. A. Fetisova. Tolerance induced in rats in the case of skin homoplasty, and the role played in this process by the age of the donor . . . . . . . . . . . . 1451

PHYSIOLOGY

G. N. Kassil’, N. I. Grashchenkov, E. Sh. Matlina, E. M. Boeva. The sympatho-adrenal system in the case of acute craniocerebral injury . . . . . . . . . .

V. R. Faitel’berg-Blank. The effect of high frequency currents of inductothermy of different physical characteristics on the absorptive activity of the gastrointestinal tract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1455

LETTER TO THE EDITOR

The following corrections must be made in our article (L. P. Gor’kov, L. P. Pitaevskii, “Energy of the splitting of terms of the hydrogen molecule”), published in DAN, vol. 151, no. 4, 1963.

Formula (7) should read:

\[ E_S - E_A = -4\sqrt{\pi}\,(2a)^{5/2} e^{-4a} \int_0^1 \frac{e^{-x}x^{3/2}}{(2-x)^{1/2}}\,dx. \]

The numerical coefficient 2.94 in formula (8) should be replaced by 1.64.

The authors express their gratitude to Prof. K. Herring for sending a preprint indicating the error made.

L. P. Gor’kov
L. P. Pitaevskii