BIOPHYSICS

O. F. Borisova, L. L. Kiselev, A. I. Surovaia, L. A. Tumerman, L. Iu. Frolova. The macromolecular structure of transport ribonucleic acids in solution — 1158

Z. N. Faleeva, I. M. Shapiro. The lethal effect of disturbances in the chromosomal balance on tumoral cells — 1158

BIOCHEMISTRY

G. A. Deborin, V. Z. Baranova, I. G. Zhukova. A study of phospholipid surface films of M. lysodeicticus membranes at the water-air interface — 1161

T. M. Ermokhina, G. N. Zaitseva, L. I. Zernova, A. N. Belozerskii. Certain data concerning the species-specificity of sRNA and aminoacyl-sRNA-synthetases in microorganisms — 1165

W. L. Kretovich, A. S. Demina, V. I. Iakovleva. The glutamatedehydrogenase and alanindehydrogenase of Aspergillus niger — 1169

V. A. Iakovlev, L. A. Levchenko. The localization of dehydrogenases connected with nitrogen fixation in Azotobacter vinelandii — 1173

PLANT ECOLOGY

V. V. Koval‘skii, N. S. Petrunina. Geochemical ecology and evolutionary variation in plants — 1175

ZOOLOGY

V. M. Epstein. On the zoogeographic characteristic of Piscicolidae in the basin of the Amur river — 1179

EXPERIMENTAL MORPHOLOGY

A. A. Voitkevich, T. K. Chekh. Effect of extirpation of the embryonic anlages of the neurosecretory-hypophyseal systems in amphibians — 1183

PHYSIOLOGY

E. B. Babsky, L. S. Ulyaninsky. A direct proof of the suppression of the automaty of ventricular rhythm conductors by means of a frequent rate of stimuli — 1187

N. N. Iushitova, P. De Ley, A. M. Ugolev. An analysis of the localization of invertase in the cells of the small intestine by comparing the concentrations of hydrolysis products in intra- and extracellular liquids — 1191

V. G. Kassil’. The drinking stimulus and the rate of water passage from the stomach into the intestine — 1194

ENDOCRINOLOGY

A. V. Abuladze, A. I. Sludskaia. Some peculiar traits and the picture of peripheral blood in white mice thymectomised at an early postnatal period — 1197

CORRECTION

In my article (I. A. Aleksandrov, “A variational method for solving extremal problems in certain classes of analytic functions”), published in Doklady Akademii Nauk, vol. 151, no. 5, 1963, the following correction should be made.

On p. 1002, line 7 from the bottom, it was printed:

\[ \text{that } f(w)=\eta w,\quad |\eta|=1. \]

It should read:

\[ \text{that }\quad f(w)=\eta_0 w \frac{Q_n(w)} {w^n \overline{Q}_n\!\left(\frac{1}{\bar w}\right)}, \quad \text{where}\quad Q_n(w)=\sum_{j=1}^{n+1}\mu_j \prod_{\substack{k=1\\ k\ne j}}^{n+1}(w+\eta_k), \quad |\eta_k|=1\quad (k=0,1,\ldots,n+1), \]

\[ \mu_k>0\quad (k=1,2,\ldots,n+1),\qquad \sum_{k=1}^{n+1}\mu_k=1, \quad \text{and for (3) } n\le m+1. \]

I. A. Aleksandrov