348 E. J. Pictet on the Diluvian Period. 
— the existence of the same state of things in Russia as in 
ngland, Belgium, France, Germany or Switzerland. 
The following are the principal facts obtained from an analysis 
of my catalogue, viz: 
Almost all the common species of Cheiroptera have been found 
in the Quaternary deposits. I have found, especially those here 
cited: Vespertilio:—V. noctula, V. pipistrellus, V. serotinus, the 
common bat, the lop eared bat, Vesp. auritus, the fer a cheval, the 
V. discolor, and the V. mystacinus. Is it not extremely probable, 
not to say evident, that the rare species more recently discovered 
which are wanting upon this list, are wanting because we have 
not known how to distinguish their bones or because they have 
not yet been found? What geologist will venture to affirm that, 
the varieties V. Leisleri, V. Kuhlii, &c., which only appeared be- 
fore the species named above, appertain to a more recent fauna. 
same results are furnished by the Jnsect:vora. 
dn these same Quaternary deposits are cited the hedge-hog, the 
mole and three or four species of the shrew-mouse. 
This is all our fauna, for, on account of the reasons mentioned 
above, I am not able to give any importance to the two species 
of Mygale (‘desmans’), one from the Pyrenees and the other from 
Russia, which have not yet been found in the fossil state. 
The group /odentia is of difficult determination and we may 
naturally expect to find some vacancies, but there are none, how- 
ever, of any importance. We may cite the squirrel, the marmot, 
the dormouse, the mouse, the hamster (Crisetus), the water-rat, 
the ordinary meadow-mouse, the beaver, -the hare, and the 
rabbit. The only striking vacancy will be that of the porcupine, 
but Mr. Arcas has fortunately found this also in the caverns of 
Sicily. There are wanting to our list only some small species of 
the mouse, the garden dormouse, the muscardin, &c., in regard to 
which we may make the same reflection, as was suggested by the 
Cheiroptera. . The jerboa, lagomys, &c., are found as fossils in 
Russia. 
The Carnivora being in general larger than those animals 
which represent the preceding groups and being at the same time 
more easily recognized scarcely present any vacuity. 
There have been found the lion, cat, wolf, domestic dog, fox, 
genet, white bear, brown bear, badger, glutton, martin, beech 
martin, polecat, ermine, weasel and the otter. There is lacking 
to this list only the lynx, and it is important to know whether 
the Felis engtholensis of Schmerling, from the caverns of Belgium 
is not identical with it. I have not supposed that any person 
could see an indication of a subsequent creation in the absence 
of some species from excentric regions as the fox of the north, 
ber a of Poland, or the P. boccamela of the Mediterranean 
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