

476 



Yarmouth interval. 

 Canada, 278, 279. 

 Illinois, 248, 269-272. 

 Indiana, 272, 274-276. 

 Iowa, 247-259. 

 Kansas, 269. 

 Kentucky, 274. 

 Minnesota, 262-265. 

 Missouri, 266-268. 

 Nebraska, 259, 260. 

 Ohio, 276, 277. 

 South Dakota, 260, 261. 

 Wisconsin, 265. 



LIFE OF THE PLEISTOCENE 



s 



Zapus hudsonicus, 208, 214, 397. 



Zion City, 111., 17. 



Zizyhus, 169, 186, 194, 381. 



Zonitoides arborea, 124, 133, 139, 142, 143, 

 144, 162, 163, 172, 189, 226, 227, 242, 

 254-256, 264, 267, 269, 271, 282, 296, 306, 

 307, 308, 339, 347, 359, 389. 



Zonitoides laeviscula, 142, 189, 389. 



Zonitoides milium, 355, 359, 389. 



Zonitoides minuscula, 124, 138, 139, 142, 

 143, 172, 189, 227, 242, 252, 254, 256, 

 269, 282, 296, 347, 348, 355, 359, 389. 



Zonitoides nitida, 307, 339, 389. 



Zostera marina, 180. 





