O. G. Dely szerk.: Vertebrata Hungarica 16. (Budapest, 1975)

Topál, Gy.: Bacula of some Old World Leaf-nosed bats (Rhinolophidae and Hipposideridae, Chiroptera: Mammalia) 21-54. o.

Rhinolophus cornutus sechwanus ANDERSEN, 1918 There was studied one specimen each from Muong son, North Vietnam (Plate,HI., figs. 4-6), and from Cherrapunjee, Assam, India (Plate HI., figs. 7-9), both collected by the author. Measurements: total length 3, 36-3, 52, basal width 0,88-0,92, basal height, 0,92-0,95, height of terminal knob 0,18 mm. The baculum of this species is relatively very large among the bacula of the other horseshoe bats. It has a distinct, but not very strong dorsal bend as in European Rh. hipposideros. The two specimens show a certain kind of difference, especially in the morpholgy of the basal cone. It is elongated and conical, with a smooth rounded-off dorsal surface, and flat on the ventral one in the Cherrapunjee specimen, while it displays flat dorsal and ventral surfaces in the Muong son animal. The dorso-proximal edge of the base is shorter than the ventral margin, with a wide and deep emargination in the Vietnamese specimen. There is a wide emargination also in the ventral edge, but the Cherrapunjee animal has a narrow incision. The shaft is roughly cylindrical with a slight thickening in the middle, when viewed from above. The tip is a laterally widened knob, wider in the Vietnamese specimen, and also has a dorsal bulge. Rhinolophus calypso ANDERSEN, 1905 One specimen of the paratypes has been examined. Measurements: total length 3,77, width of base 1,00, dorsoventral height of base 1,04, height of tip 0,27 mm. This relatively small or middle-sized baculum has a certain degree of similarity to that of both Rh. cornutus sechwanus and (regarding the ventral margin of the basal cone) Rh

. affinis

. The basal cone is dorsoventrally higher than wide. Its dorsal knob strongly protrudes also proximally. The ventral emargination on the proximal margin of the base is extremely deep, narrow and distally diverging. On its each lateral side the basal cone has a proximally protruding protion of the edge, well discernible laterally. The shaft slightly bends dorsally, however, its ventral profile is almost straight when viewed laterally. There is a distally lowering ridge on its dorsal surface, while the ventral surface is rather flat with a proximal depression. In dorsal view, there is a slight constriction at the middle of the bone and at its very tip. The tip is with a longish and dorsally bulging knob. (Plate IV., figs. 1-3). Rhinolophus lepidus lepidus BLYTH, 1844 Six specimens have been examined from different places ot the Indian Peninsula. Measurements: (those of young individuals in parentheses) total length 3,28-3, 77 (2, 59), width of base 0,90-1,13 (0,55-0,72), height of base 0,63-0,81 (0,41-0,50), width of tip 0,19-0,27 (0,20-0,22) mm. The baculum has an elongated S shape with a dorsal bend near the basal cone and a ventral turn near the tip, (this double turn is well discernible in younger specimens, while rather obliterated in adults). The young bone is with a proximal bifurcation, instead of the normal, dorsoventrally flattened basal cone of the adult (Plate IV., figs. 4-6; plate V., figs. 1-2). The dorsal edge of the basal cone is shorter than the ventral one and with a proximally bulging dorsal knob, otherwise with a wide emargination, just as in the ventral margin. The ventral surface of the base shows a depression. The dorsal knob of the basal cone continues on the dorsal surface of the shaft, as a ridge diminishing in height. The shaft is nearly