I deeply thank T. Goda who found most of the Dota small mammal specimens, including the holotype described above, and donated all his findings to the National Museum of Nature and Science in Tokyo. Also, I am indebted to O. Fejfar for his support and encouragement and for use of his research facilities when I examined the specimens of Megapeomys lavocati and other taxa from Merkur-North, northern Bohemia, Czech Republic. I sincerely thank L.J. Flynn and L.L. Jacobs for their criticism and suggestions on the manuscript. Figure 1 was prepared by Y. Okamoto, and an early version of
Figure 2 was kindly provided by O. Fejfar. Financial support was provided in part by Grant-in-Aid for Scientific Research (C) No. 07640627 by Ministry of Education, Science, Sports and Culture of Japan and by Fujiwara Natural History Foundation for 1998.