A. A. Krasnovskii, Iu. E. Erokhin, B. A. Guliaev. The luminescence of bacterioviridin as dependent on the temperature and the state of bacterioviridin in photosynthesing bacteria — 1231

K. M. Shteingart, F. M. Gol’zman. Certain data due to the mathematic treatment of muscular verbal stereotypes — 1235

BIOCHEMISTRY

A. E. Braunstein, N. V. Gnuchev, A. A. Poznanskaia. Non-enzymic reamination of δ-aminolevulinic acid — 1239

V. V. Koval’skii, I. A. Shumkova. Adaptive variations of the enzymes in the mammary gland of the cow — 1243

V. L. Kretovich, Z. S. Bronovitskaia, T. I. Kariakina. Reductive amination of pyroracemic, oxal-acetic and oxypyroacemic acids of plants — 1247

PLANT PHYSIOLOGY

V. V. Anikiev. Certain peculiar traits in the formation of male gametophyte in barley under conditions of soil drought — 1250

R. K. Saliaev. The mechanism of water absorption by roots — 1253

ZOOLOGY

I. S. Roginskaia. Dimorphism of spermia in some species of Coryphella gray (Gastropoda, Nudibranchia) — 1256

EXPERIMENTAL MORPHOLOGY

B. B. Fix, I. V. Konstantinova, L. E. Stefanovich, L. V. Devoyno, V. S. Sergievskii, I. G. Falk, V. P. Modiaev. The influence of certain agents on the growth and differentiation of connective tissue in the course of regeneration of cornea, aorta, sinews and bones in biologic frameworks — 1260

PHYSIOLOGY

E. B. Babsky, L. S. Ulyaninsky. The mechanism of ventricular stoppage by stimulation of n. vagi — 1263

E. I. Il’ina-Kakueva. The distribution of succindehydrogenase and DPN-diaphorase in the reticular brain formations of certain mammals — 1267

EMBRYOLOGY

G. A. Buznikov. Tryptamine derivates applied to the study of the rôle played by 5-oxytryptamine (serotonin) in the embryonic development of Invertebrata — 1270

CORRECTIONS

In the article by D. V. Sokol’skii, N. A. Zakarina, and G. D. Zakumbaeva, “The effect of cadmium ions on the adsorption of hydrogen on a palladized platinum electrode,” published in DAN, vol. 148, no. 3, 1963, Figs. 1 and 2 should be interchanged.

In the article “Photochemical and radiation-chemical reduction of silver perchlorate in the presence of organic substances,” published in DAN, vol. 148, no. 3, 1963, p. 633, the initials and surnames of the authors should read: I. S. Shchegoleva, A. V. Ergunova, T. S. Glikman, B. Ya. Dain.

T-13610. Signed for printing 5/X 1963. Print run 5265 copies. Order no. 2569.
Paper format 70×108¹⁄₁₆. Printed sheets 21.92 + 3 inserts. Paper sheets 8. Publisher’s sheets 23.4.
2nd Printing House of the Publishing House of the Academy of Sciences of the USSR. Moscow, Shubinskii Lane, 10.