174 LIFE OF THE PLEISTOCENE 



Mammut americanum. 



Benton County. From alluvium of Bear Creek, near Shellsburg, rib 

 and tooth. May have been washed from some interglacial deposit. The 

 region is covered with Iowan drift overlying Kansan drift (Anderson, page 25; 

 Hay, page 380). 



Clinton County. Molar from near Clinton; near Bryant, tooth in gravel 

 at depth of 8 feet below the surface (Hay, page 380). 



Page County. Teeth in Nodaway River near Clarinda (White, Iowa Geol. 

 Surv., I, page 353; Hay, page 78). 



Polk County. Molar from vicinity of Des Moines (Hay, page 390). 



Van Buren County. Molar from bed of Chequest Creek, near Milton; 

 from near Selma, right humerus (Hay, page 391). 



Wapello County. Six miles south of Ottumwa, tusk of proboscidian, 

 reported as mastodon (Kansas City Review Sci. & Ind., Ill, page 242, 1879; 

 Hay, page 391); near Ottumwa, ribs and innominate bones, the latter from 

 the Des Moines River; from gravels along Des Moines River, near Eldon, a 

 femur (Hay, page 391). 



Warren County. Tooth from Limestone Creek, one and one-half miles 

 west of New Virginia (Howe's Annals of Iowa, II, page 102, 1883; Hay, page 

 391). 



Elephas primigenius. 



Des Moines County. Near Burlington, molar (Hay, page 432). 



Dubuque County. Along Illinois Central Railroad, eleven miles west of 

 city, molar (Hay, page 433). 



Fayette County. West Union, molar (Hay, page 433). 



Iowa County. Alluvial deposits along Iowa River near Marengo, lower 

 jaw and molars (Hay, page 436). 



Linn County. From sand in bed of Cedar Rapids River, near Cedar Rapids 

 (southwest quarter section 27, T. 83 N., R. 7 W.), tooth (Hay, page 438). 



Louisa County. Near Wapello, tooth; five miles northwest of Columbus 

 Junction (southwest quarter section 34, T. 76 N., R. 5 W.), teeth from a 

 gully, which possibly came from an interglacial deposit (Hay, p. 438). 



Polk County. Des Moines, near Osceola bridge, teeth; gravel pit at north 

 end of Sixth Avenue bridge, teeth and femur (Hay, page 443) ; Town of Polk, 

 molar (Beyer, Iowa Geol. Surv., LX, page 211; Hay, page 444). 



Tama County. Molar in bank of Iowa River, about one and one-half 

 miles south of Tama (Hay, page 447). 



Elephas cohimbi. 



Cherokee County. Three miles north of Cherokee, molar, in Turner 

 gravel pit, 16 feet below the surface (Hay, page 429). 



Clinton County. Molar from Clinton (Hay, page 430). 





