PETROGRAPHY

D. S. Korzhinskii. Some peculiar features of the postmagmatic phenomena in volcanic formations, depending on the depth of their bedding — 1194

HISTOLOGY

I. N. Borisov. A means to increase the number of fibers in the course of histogenesis of striated muscles in mammalians — 1199

P. A. Motavkin. Innervation of intramedullary blood vessels of the spinal cord — 1201

HYDROBIOLOGY

T. V. Astakhova, M. S. Kun, D. L. Teplyi. On the cause responsible for the loss in Cyprinus carpio in the lower reaches of the Volga — 1205

BIOCHEMISTRY

N. S. Helman, I. G. Zhukova, A. I. Oparin. Oxidation of L-malic acid and reduced diphosphoridinenucleotide in the cytoplasmic membrane of Micrococcus lysodeikticus — 1209

T. N. Godnev, N. K. Akulovich. A shift in the correlations of the esterified and the free part of the chlorophyll molecule in the process of its formation — 1213

I. P. Kok. A comparative study of the nucleotide composition of desoxyribonucleic acid in the organs of different animals — 1216

V. F. Oreshko, K. A. Korotchenko. A study of starch destruction related to the dose of ionizing γ-radiation — 1219

V. I. Rosengart. A new model of esterase catalysis — 1223

I. E. El’piner, A. V. Sokol’skaia. Formation of amino acids under the effect of ultra-sonic waves in aqueous solutions of organic compounds saturated with molecular nitrogen — 1227

BOTANY

N. T. Skvortsova. The anatomic structure of the conducting system of leafstalks in representatives of the Hamamelidaceae and Altingiaceae families — 1231

E. S. Chavchavadze. An analysis of diagnostic characters of the wood in Coniferales. Pores on cross-fields in certain Taxodiaceae — 1235

PLANT ECOLOGY

T. K. Goryshina, Iu. N. Neshataev. A contribution to the study of the microclimate of oak forests — 1239

PLANT EMBRYOLOGY

Ch. Hering, T. K. Zorina. The effect of temperature on the fertilization process and the development of grains in the case of inbreeding in Zea mays — 1243

EXPERIMENTAL MORPHOLOGY

N. F. Barakina. Comparative efficiency of iso- and heterologic marrow transplantation in restoring of the hemopoietic system in irradiated mice — 1247

PHYSIOLOGY

A. M. Ugolev. The effect of duodenum extracts on general appetite — 1251

EMBRYOLOGY

Kh. Menger. Determination of period of sensitivity to diethylstilbestrol in the process of gonad differentiation in chick embryos — 1255

PARASITOLOGY

I. I. Kovalenko. A study of development cycles of certain helminths parasitic of domestic duck grown in farms of the Azov littoral — 1259

E. D. Logachev. On the structure and supporting tissue development in the internal medium of nematodes — 1262

ERRATUM

In my note (S. G. Mikhlin, “Remarks on the Solution of Multidimensional Singular Integral Equations”), published in DAN, vol. 131, no. 5, 1960, on p. 1020, in the statement of the lemma, the word “bounded” should be replaced by “completely continuous.”

S. G. Mikhlin

T-10552. Signed for printing 5.VIII.1960. Print run 5135 copies. Order 678.
Paper size 70 × 108 1/16. Paper sheets 8 1/2. Printed sheets 23.13 + 5 inserts. Publisher’s sheets 23.9.
2nd Printing House of the Publishing House of the Academy of Sciences of the USSR. Moscow, Shubinskii Lane, 10.