Y F T ra n sf o A B B Y Y.c bu to re he C lic k he k lic C w. om w w w w rm y ABB PD re to Y 2.0 2.0 bu y rm er Y F T ra n sf o ABB PD er Y 599.426:591.4 w. A B B Y Y.c : (EPTESICUS SEROTINUS SCHREBER, 1774) (NYCTALUS NOCTULA SCHREBER, 1774) . , . , . . Eptesicus serotinus Nyctalus noctula : . , , , . – , . : [2, p.; 3, p.; 4, p.], [1, p. 957], [5, p.], [4, p. 3047; 6, p. 30] [4, p. ; 6, p.] [7, p. 2]. , [4, p. 3062]. – . , . 20 ( [2, p. 253] / [4, p. 3050; 6, p. 33] / [8, p. 67] ) ( 20 ) . , , – , [9, . 175]. . : ( ), , . [8, p. 70]. – / , . , , , serotinus Schreber, 1774) 4 2011 . ( . , 3 . (2- , 1- ) (Eptesicus (Nyctalus noctula Schreber, 1774) , ) . . -500 . , . = , ( × , / U, , . ,(1) [2, p. 246] , : – , - . 1). 1 Eptesicus serotinus , 3 ( ) 23,042±0,35 , ( ) 0,326±0,092 Nyctalus noctula 100% 1,41 (1), 0,0194 om Y F T ra n sf o A B B Y Y.c bu to re he C lic k he k lic C w. om w w w w rm y ABB PD re to Y 2.0 2.0 bu y rm er Y F T ra n sf o ABB PD er Y – Eptesicus serotinus Nyctalus noctula 4 25,104±0,61 0,469±0,033 1,87 w. A B B Y Y.c 0,0196 1 . / . , . , , . / p (U >U 0,05). , . , ( ) . , . / / , . On the basis of the complete visceradescription was made comparison of heart size for two species of bats Eptesicus serotinus and Nyctalus noctula with the expected from the allometric relationship. The key words: bats, Bryansk region, heart, allometric relationship. 1. Mathieu-Costello, O. Geometry of blood-tissue exchange in bat flight muscle compared with bat hindlimb and rat soleus muscle / O. Mathieu-Costello, J. M. Szewcsak, R. B. Logerman, P. J. Agey // American Journal of Physiology, 262. 1992. Pp. 955–965. 2. Jurgens, J. D. Blood oxygen transport and organ weight of small bats and small non-flying mammals / J. D. Jurgens, H. Bartels, R. Bartels // Respiration Physiology, 45. 1981. Pp. 243– 260. 3. Maina, J. N. The structural functional correlation in the design of the bat lung. A morphometric study /J. N. Maina, A. S. King // Journal of Experimental Biology, 111. 1984. Pp. 43–63. 4. Maina, J. N. What it takes to fly: the structural and functional respiratory refinements in birds and bats / J. N. Maina // Journal of Experimental Biology, 203. 2000, Pp. 3045– 3064. 5. Thomas, S. P. The physiology of bat flight / S. P. Thomas // Recent advances in the study of bats. Cambridge: Cambridge University Press, 1987. – Pp. 75 - 99. 6. Maina, J. N. Comparative respiratory morphology: themes and principles in the design and construction of the gas exchangers / J. N. Maina // The Anatomical Record, 261. 2000. Pp. 25–44. 7. Canals, M. A simple geometrical pattern for the branching distribution of the bronchial tree, useful to estimate optimality departures /M. Canals, F. F. Novoa, M. Rosenmann //Acta Biotheoretica, 52. - 2004. Pp. 1– 16. 8. Canals M. Relative size of hearts and lungs of small bats / M. Canals, C. Átala, B. Grossi, J. IriarteDíaz //Acta Chiropterologica 7. 2005.Pp. 65-72. 9. – , . : ?/ . – . .: , 1987. 259 . . . – , [email protected] 89208410509 .– , . . . – . . , om