... CONTRIBUTION OF THE RUSSIAN-VIETNAMESE TROPICAL CENTRE TO THE STUDY OF BATS (CHIROPTERA) OF VIETNAM . ... Before 1997 during the expeditions of the Tropical Centre no specific bat surveys were undertaken. ... The list of bat species collected in Vietnam during the expeditions of the Tropical Centre contains 41 species, of the ca. 90 species hitherto reported from this country. ... This includes a small mouse-eared bat representing a new species - Myotis annamiticus (Kruskop, Tsytsulina, 2001). ...