XX LIST OF ILLUSTRATIONS. 



FIG. PAGE 



148. Perpendicular section of till containing wood, Oxford, Ohio .... 577 



149. Part of Atlanta, Mo., topographic sheet 589 



150. Part of Oelwein, la., topographic sheet 589 



151. Section of till overlying peat, Germantown, Ohio 593 



152. Section of kettle-hole, Freehold, Pa 598 



153. Section in till containing wood, Darrtown, Butler county, Ohio . . . 599 



154. Forest lately disturbed by an advancing Alaskan glacier. (Gilbert.) . . 606 



155. Map of the ancient lakes Bonneville and Lahontan. (Le Conte.) . . 608 



156. Bowlder bed at Pocatello, Idaho 615 



157. Collection of palaeolithic implements 616 



158. Reverse side of the same 617 



159. Argillite implement, Trenton, N. J. (10,985.) (Putnam.) . . . .626 



160. Side view of the same. (Putnam.) 627 



161. Argillite implement, Trenton, N. J. (11,286.) (Putnam.) . . . .628 



162. Black chert implement, Trenton, N. J. (10,986.) (Putnam.) . . .629 



163. Section of Trenton gravel, N. J. (Abbott.) 631 



164. Gravel deposit at Trenton, N. J., where human femur was found. (Records 



of the Past.) 632 



165. Ideal section on the Delaware River Valley, Trenton, N. J. (Abbott.) . . 633 



166. Black chert implement, Madison ville, Ohio. (40,970.) (Putnam.) . .642 



167. Map showing glacial boundary, channels, and terraces near Cincinnati . . 643 



168. Palssoliths from Newcomerstown and Amiens ....... 646 



169. Edge view of the same 647 



170. Face view of implement from Brilliant, Ohio 648 



171. Face view of same 648 



172. Diagonal view of same 648 



173. Section of the trough of the Ohio at Brilliant 649 



174. Gray flint implement, Medora, Ind. (46,145.) (Putnam.) . . .650 



175. Side view of the same. (Putnam.) . . 651 



176. Section of gravel at Medora, Ind . . 652 



177. Chert implements, Morrison county, Minn. (Winchell.) .... 653 



178. Quartz implement, Little Falls, Minn. (31,323.) (Putnam.) . . .657 



179. Quartz implement, Little Falls, Minn. (31,316.) (Putnam.) . .658 



180. Ideal section, Little Falls, Minn. (Upham.) 660 



181. Map of moraines in Minnesota. (Upham.) 662 



182. Accumulating delta plain in front of Malaspina Glacier. (Russell.) . 667 



183. Baltimore and Ohio Railroad cut, Claymont, Del. (Cresson.) . . . 670 



184. Nearer view of the same. (Cresson.) 672 



185. Argillite implements from the preceding cut. (45,726.) (Putnam.) . . 674 



186. View showing Mr. Concannon's house and relation of the bluff to present 



flood plain of the Missouri. (Records of the Past.) 677 



187. Geology of the Concannon Farm . . . 679 



188. Entrance to tunnel in which Lansing skelton was found. (Records of the 



Past.) 680 



189. Front view of skull and femur bones of Lansing skeleton. (Records of the 



Past.) . 681 



190. Side view of same. (Records of the Past.) 681 



191. Section of Long's Hill, Neb. (Records of the Past.) 684 



192. Implement from Dug Hill. (Owen.) 686 



193. Lava streams cut through by rivers in California. (Le Conte.) . . . 689 



194. Section across Table Mountain, Cal. (Le Conte.) 689 



195. McTarnahan mortar from under Table Mountain 697 



196. Nampa figurine and map of the Snake River Valley 703 



