Dr. Nagy I. Zoltán szerk.: Fragmenta Mineralogica Et Palaentologica 6. 1975. (Budapest, 1975)
ture may be connected with the generally observed tendency of tooth-row shortening and - through this - probably with cephalization. In general, the upper molars are somewhat bigger than those in the majority of the recent animals. I found morphological differences only in some M 3 . The fossil teeth have a strong tendency of becoming long, because of the long commissure between metacone and metastyle. So the length of M 3 is often greater than in Rh. h. hi p posideros . It is true, however, that the molars M 3 in Dalmatian RJ2_ : _Ji_ : _niinimus are very similar to those of the new species because of the relatively unreduced length of commissure between metacone and metastyle, hence the length and width ratio in this tooth is very similar to that observed in the fossil species. Regarding the bones of skull, I have seen a few characters only, due to the fragmentary state of the material. The only full rostrum is generally bigger and wider than that of the recent species. M 3-M 3 width is 5.85 mm, while the mean of thirty recent specimens is 5.48 mm (5.3-5.7). The measurements of 52 subfossil specimens from the Kiskőhát Cave are 5.4-5.9 mm (M = 5.75). This full rostrum has an anterior emargination with caudally narrowing inner walls of maxillae instead of the parallel decurrent inner walls in the Carpathian Rh. hi p posideros and Rh. h. minimus . The few availablepraemaxillae are robust and suggest a strong upper incisor. The base of the bone is very wide and large, the reason why the incision between the lateral wing and the base is exceedingly narrow (Plate I. fig. l). I could find no such form in recent specimens, but some variability was also observable among the available remains of Rh. variabilis n.sp. The praemaxilla probably had a more pronounced role in chewing than in the chewing of the recent species. The strong praemaxillae and the extended surface of the surrounding parts - at least in some specimens - show a decidedly stronger bony palate in the fossil animal as compared to that of the recent species. The anterior mandibular teeth are generally heavier and greater than the corresponding ones in Rh. hi p posideros . This holds especially for C, P 2 and P^. The basal cross section of C is longer than wide, its hind margin nearly straight, mostly being without medioposterior lobule. P 2 of all fossil specimens are greater than in the recent individuals, where these are oroeaudally flattened in many cases, but not so, indeed even elongated in many fossils. The base of its cups is flat and wide in the recent but narrow in the fossil animals, because of the heavy and bulky crown. There is a great variety in Fig . 1. Graphical comparison of measurements of Rhinolophus h. hipposideros from the Carpathian Basin = C, Rh. h. minimus from Dalmatia = D, a subfossil population of Rh. hip pisideros from Kiskőhát Cave = K, and Rh. variabilis n.sp. = V.Vertical line=range of sample; horizontal line = arithmetic mean; empty column = two standard errors of aritmetic mean above and below mean; solid column - one standard deviation above and below mean. Scale in mm. The figures at the base of the diagrams show the number of specimens. 1. ábra. A Kárpátmedencéből származó Rhinolophus h. h ip posideros = C, Dalmáciában gyűjtött Rh. h. minimus = D, a Kiskőháti zsombolyból való szubfosszilis Rh. hi pp osideros = K, és a Rh. variabilis n. sp. = V néhány méretének összehasonlító ábrázolása. Függőleges vonal = a minta terjedelme; vízszintes vonal = az átlag; üres oszlop = a kétszeres standard hiba az átlag felett és alatt; tömör oszlop= egyszeres szórás az átlag felett és alatt. A méretek miliméterben. A részletábrák alatt a példányok száma látható.
