306 Cincinnati Society of Natural History. 



it was about thirty feet from the ground. 1 have also had reported 

 to me the fact of its sunning itself ten feet from the ground in a small 

 dogwood tree, which was observed by R. O. Collis, Esq., of .Madison- 

 ville, Ohio, to whom I am indebted for the information. 



Family XI. — Castorid^ : The Beavers. 



30. Castor fiber, Linnseus. — Beaver. — Formerly abundant, as 

 attested by early observers and also bj^ its numerous remains 

 brought to light during the excavations in the Madisonville ancient 

 cemetery. Mr. Quick notes it on the Whitewater on the strength of 

 a molar picked up amongst the alluvial gravel, near Brookville. 

 Very few, if an}^ now exist in Ohio, the names of "Beaver Creek," 

 '' Beaver Dam," etc., alone remaining as monuments to the memory 

 of the species. Hildreth"^ mentions specimens trapped on the Mus- 

 kingum as late as 1805. 



Family XII. — Murid^ : The Mice. 



31 Mus DECUMANUS, PalL'is. — Brown or Norway Bat. — Our com- 

 mon species, introduced into America about the 3^ear 1775 (Jordan). 

 Our first record of it in this vicinity is that of Dr. Raymond, who 

 states that it made its appearance at Brookville, Indiana, "in the sum- 

 mer of 1827."t 



32. Mus rattus, Linnaeus. — Black Rat. — "Introduced (into 

 America) about 1544, but now being supplanted b}^ the preceding" 

 {Jordan). I do not remember to have seen a specimen for several 

 years but presume that it is still of occasional occurrence in this 

 vicinit}'. Dr. Ha3^mond includes it in his list of the Mammals of 

 Franklin county, Indiana (1869). 



33. Mus MuscuLUS, Linnaeus. — Common House Mouse. 



34. Neotoma floridana, Say and Ord. — Wood Bat. — Identified 

 about the year 1866 near New Philadelphia, Ohio, J by Dr. R. M. 

 Byrnes, the specimen having been abandoned by a hawk. 



35. Hesperomts AMERiCANUs(Kerr),Coaes & Yarrow. § — Deer Mouse; 

 White-footed Mouse. — A very common species, nesting just below the 

 surface, generally at the base of a tree; seems to be especially partial 



* Pioneer History, p. 498. 



T Indiana Agricultural and Geological Keports, 1869, p. 207. 

 X About 150 miles N. E. from Cincinnati. 



§ See Xote on nomenclature of this species, by Dr. Coues, American Naturalist, vol. 

 xiii., 1879, p. 784. 



