BIOPHYSICS

I. B. Bychkovskaia, A. V. Bogatyrev. An estimation of the radioprotective efficiency of mexamine . . . . . . . . . . . . . . . . . . . . . . . 704

A. S. Kriviskii. Mutagenic effect produced by ionizing radiation on an extracellular phage . . . . . . . . . . . . . . . . . . . . . . . . . 707

BIOCHEMISTRY

V. F. Golenkov. On interaction of gums and rye proteins . . . . . . . . . 711

K. M. Dzhemukhadze, G. R. Azovtsev. The catechins of Sanguisorba L. . . . 715

K. E. Krugliakova, B. P. Ulanov, D. L. Zybina, N. M. Emanuel’. A kinetic description of the effect of chemical mutagenes (ethylenimine derivatives) on desoxyribonucleic acid . . . . . . . . . . . . . . . . 718

B. M. Mednikov. The correlation between development rate in insects and the nucleotide composition of their ribosome RNA . . . . . . . . . . 721

ZOOLOGY

L. L. Chislenko. On the correlation between body dimensions of females and the dimensions and quantity of eggs in Harpacticoida (Crustacea, Copepoda) . . . . . . . . . . . . . . . . . . . . . . . . . 724

MORPHOLOGY

V. P. Babmindra, I. Khamori. Dendrosomatic contacts in a vegetative ganglion . . . . . . . . . . . . . . . . . . . . . . . . . . . . 728

EMBRYOLOGY

E. I. Skalinskii. Functional morphology of interstitial cells of the chorionallantois of the chick embryo . . . . . . . . . . . . . . . . . . 730

ENDOCRINOLOGY

A. I. Sludskaya. Spleen histogeny in white rats, thymectomised at an early postnatal period . . . . . . . . . . . . . . . . . . . . . 733

CORRECTION

In our article (N. F. Komissarenko, V. T. Chernobai, D. G. Kolesnikov, “Keioside—a new flavonoglycoside of Far Eastern lily of the valley (Convallaria keiskei Miq.)”), published in DAN, vol. 158, no. 4, 1964, in the scheme of transformations of keioside, formulas I and IX should read:

[[chemical structural formula diagram labeled (I)]]

[[chemical structural formula diagram labeled (IX)]]

N. F. Komissarenko
V. T. Chernobai
D. G. Kolesnikov