Contents

Doklady Biological Sciences

Vol. 497, No. 1, 2021

General Biology

Fossil Asiatic Brush-Tailed Porcupine Atherurus macrourus (Hystricidae, Rodentia) from Northern Vietnam (Bud Cave, Pleistocene–Holocene Transition)

Academician A. V. Lopatin and N. V. Serdyuk p. 41  abstract

Dental Replacement in Nesophontidae (Lipotyphla, Mammalia) from the Pleistocene of Cuba

Academician A. V. Lopatin p. 45  abstract

Dentition Anomalies in Nesophontidae (Lipotyphla, Mammalia) from the Pleistocene of Cuba

Academician A. V. Lopatin p. 51  abstract

Organotin Compounds (OTCs) in Saccharina latissima (Phaeophyceae) from the Barents Sea

L. O. Metelkova, Z. A. Zhakovskaya, G. I. Kukhareva, G. M. Voskoboinikov and Academician G. G. Matishov p. 56  abstract

Wal Mutant Mice Have a Mutation Associated with Autism Spectrum Disorders

E. S. Chermnykh, D. M. Schepetov and Corresponding Member of the RAS E. A. Vorotelyak p. 59  abstract

Influence of Natural Asymmetric Embryonic Visual Afferentation on the Neuronal Activations in the Caudomedial Mesopallium during the Freezing Response in Altricial Nestlings

E. V. Korneeva, A. A. Tiunova, L. I. Alexandrov and T. B. Golubeva p. 62  abstract

Productivity and Dynamics of Morphological, Physiological, and Biochemical Parameters of Potatoes in Arid Climate

O. A. Rozentsvet, E. S. Bogdanova, V. N. Nesterov, Academician S. N. Shevchenko, A. L. Bakunov, A. V. Milekhin and S. L. Rubtsov p. 65  abstract

Is the Periodic “Spontaneous” Activity of Animals Determined by a Quasi-Rhythmic Factor of the External Environment?

M. E. Diatroptov and Corresponding Member of the RAS A. V. Surov p. 69  abstract

Birdsong Overlapping: Random Coincidence or Acoustic Interactions

M. Ya. Goretskaia, S. V. Ogurtsov, M. A. Syomina, P. A. Kozlova, V. D. Salova, P. O. Kalitina, D. B. Burygin and I. R. Beme p. 73  abstract

A Find of Early Pliocene Fossils of Three-toed Horse (Hipparion tchicoicum Ivanjev, 1966) in Western Transbaikalia

N. P. Kalmykov p. 76  abstract