Corrections

Figures 1 and 4 to M. P. Solntseva’s article “Structural Features of the Embryo Sac of Fragaria grandiflora and the Phenomenon of Polyembryony,” published in DAN, vol. 116, no. 5, 1957, have been placed on the insert to p. 856.

In the article by B. I. Bruk and G. I. Nikolaev, “On the Possibility of Using Tritium for a Radiographic Study of the Distribution of Hydrogen in Titanium and Zirconium,” published in DAN, vol. 116, no. 1, 1957, on p. 78, in lines 16–17 from the bottom, instead of “tritiated water with a specific activity of 15 Cu/ml” one should read: “tritiated water with a specific activity of 15 mCu/ml.”

T-02647  Signed for printing 17 III 1958.  Print run 5400 copies.  Order 19
Paper size 70×108 1/16. Paper sheets 6 1/4. Printed sheets 17.12 + 2 inserts. Publisher’s sheets 17.2

2nd Printing House of the Publishing House of the Academy of Sciences of the USSR. Moscow, Shubinsky Lane, 10