146 LIFE OF THE PLEISTOCENE 



marsh; 74 German Township, Montgomery County; 75 Ohio City, Van Wert 

 County, in alluvium on blue marl; 76 Deerfield Township, Ross County, in 

 alluvium of a brook; Crawford County, in calcareous swamp diluvium; San- 

 dusky, Erie County, in recent bog of muck; Massilon, Stark County, on Ohio 

 canal, in quagmire less than two acres in extent, the tusks and bones resting 

 on gravel and pebbles and covered by three feet of peat; Cincinnati, in valley 

 drift; Preb'e County. 



Klippart adds the following records: 77 Medina County, in marl pit; Cleve- 

 land, Cuyahoga County; McArthur, Hardin County; Woodstock, Champaign 

 County; New Holland, Fayette County; between Madison and Pickaway 

 counties. 



A mammoth {Elephas columbi) has been reported from near Montville, 

 Geauga County: "the remains were obtained from a small marsh, which had 

 apparently been an open pond with a clay bottom, and which had been slowly 

 filled from the growth of swamp vegetation; the remains being obtained from 

 the clay at the bottom o!" the marsh." 78 Near Circleville, Pickaway County, 

 the bones of both the mammoth and the mastodon have been found. 79 



Castoroides ohioensis is reported from Nashport, Muskingham County, 80 

 in valley drift and swamp mud; from near Greenville, Darke County, four feet 

 below the surface in a swampy locality; 81 and from Preble County, with 

 mastodon. 82 



The remains of Platygonus compressus have been discovered in great abund- 

 ,• i / ance in Ckveland. 83 They were found embedded in a calcareous clay, inter- 

 mingled with calcareous sand, on the bank of the Olentangy River. Evidence 

 of the presence of six small individuals was obtained at a depth of 8 feet below 

 the surface, and six larger individuals were discovered 4 feet deeper. Symbos 

 cavifrons has been reported from Trumbull County 84 and Mylohyus nasutus 

 from Columbiana County. 84 * 



M Geol. Ohio, I, p. 536. 



» Geol. Surv. Ohio, 4th. Series, Bull. 16, p. 103. 



78 Whittlesey, Amer. Journ. Sci., V, p. 215, 1848. All that follow are from this reference 

 Several records, especially those from valley drift, may belong to older formations. 



" Cin. Quart. Journ. Sci., II, p. 153. 

 '« Geol. Ohio, I, p. 526. 



79 Atwater, Amer. Journ. Sci., (i), II, pp. 245-246, 1820. 

 »° Whittlesey, Amer. Journ. Sci., (ii), V, p. 215, 1848. 



81 Langdon, Journ. Cin. Soc. Nat. Hist., VI, pp. 238-239. 

 » 2 Moore, I.e., XIII, pp. 138-139. 



83 Klippart, Cin. Quart. Journ. Sci., II, pp. 1-6, 1875 



84 Leidy, Smith. Contr. Knowl., V, Art. 3, p. 16. 

 8 « Hay, Iowa Geol. Surv., XXIII, p. 226. 



