THE MAMMALS OF AMOORLAND. 17 



the mouths of the Ussuri and in other parts of Amoorland. It extends 

 into the island of Sachalin. In many districts it is not distinguished 

 by the natives from the Tiger. 



22. FeJis domestica. 



23. Erinaceus europeeus. — A single skin obtained near Anjun, on 

 the Amoor, proved to belong to E. europeeus, or a variety amurensis, 

 and not to the Siberian long-eared species E. auritus. 



24. Erinaceus auritus. — Not observed, though probably a more 

 northern species, and to be met with on the upper branches of the 

 Amoor. 



25. Sorcx vulgaris is the commonest Shrew in Amoorland. 



26. Sorex pygmceus is also found on the Amoor, and extends into 

 Sachalin. 



27. Yespertilio (Vesperus) boreal is. — One example of this bat was 

 obtained. 



28. Vespertilio my st acinus. 



29. Vespertilio daubentonii.-rKeri von Schrenck appears to doubt 

 the real specific difference between these closely-allied species of Ves- 

 pertilio, of both of which examples were obtained on the Amoor. 



30. PUcotus auritus. — One specimen obtained agrees with European 

 examples. 



31. Pteromys volans is found in the wooded districts of Amoorland, 

 and extends over the interior of Sachalin, where it resorts to the Birch- 

 trees [Bet id a ermatmi). 



32. Sciurus vulgaris. — Common in Amoorland, varying much in 

 summer and winter pelage, being dark grey in winter, and dark brown, 

 sometimes nearly black in summer. Temminck's Sciurus lis, from 

 Japan, is considered a questionable species, as S. vulgaris extends all 

 over Sachalin. 



33. Tamias striatus. — Yery common. 



34. Tamias uthensis, of Pallas, is suspected to be a black variety of 

 T. striatus. 



35. Spermophilus eversmanni. — Three specimens were obtained in 

 Amoorland of this Spermophilus, which appears to replace S. citillus, 

 of Europe, thoughout North-eastern Asia. 



36. Artomys bobac was not observed in Amoorland, but an example 

 was obtained by Herr Maack, on the upper Amoor. 



37. Mus decumanus The " Hanoverian Bat," as Mr. "Waterton de- 

 lights to call it, has occupied the whole of the Amoorland, and already 

 extended itself into the upper portion of the territory. It probably ar- 

 rived by ships on the coast first, and penetrated thence, as it is not 

 known in Siberia, though frequent in Japan and China. 



38. Mm musculus has followed its larger brother in its invasion of 

 Amoorland. 



39. Arvicola (ffypudceus) Amurensis nov. sp. — Of this new Vole one 

 example was obtained by Herr von Schrenck, at Nicolajewsck, in Sep- 

 tember, 1854. The nearest ally seems to be A. glareolus, of Europe, 

 of which it may be considered as the eastern representative. 



VOL. I. X. H. E. J) 



