1. Zoological Survey of India, North Eastern Regional Centre, Risa Colony, Shillong, Meghalaya-793003, India
2. Department of Evolutionary Ecology, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Str. 17, D-10315 Berlin, Germany
3. Zoological Museum of Moscow State University, Ul. Bolshaya Nikitskaya 2, 125009 Moscow, Russia
4. Department of Zoology, Hungarian Natural History Museum, Baross 13., H-1088 Budapest, Hungary
5. Department of Mammalogy and Ornithology, Muséum d'histoire naturelle, C.P. 6434, CH-1211 Genève 6, Switzerland