DESCRIPTION OF THE FIGURES. XXVli 



201. Section across the Valley of the Somme at Abbeville, after Prest- 



wich ; the proportion of the length is reduced to one-third. 



202. Section of St. Acheul, near Amiens. 



203. Section taken in a pit close to the Joinville station. 



b. Red angular gravel, containing a very large sandstone block. 

 d. Grey subangular gravel. 



204. Diagram to illustrate deposit of loess and gravel. 



a Loess corresponding to and contemporaneous with the gravel a. 

 b' Loess b. 



c Loess c. 



1. Level of valley at period a. 



2. Level of valley at period b. 



3. Level of valley at present. 



205. Australian knife. Presented to me by A. W. Franks, Esq. 



206. Australian club, one-fifth of the actual size. 



207. Australian spear and spear-caster. After Eyre. 



208. Australian boomerang, one-sixth of the actual size. 



209. Tasmanian fire-sticks, one-third actual size. 



From specimens presented to me by Mr. Robinson. 



210. New Zealand patoo-patoo, one-fourth of the actual size. 



In my own own collection. 



211. Stone axe with wooden handle, one-fourth of the actual size. 



In my own collection. 



212. South Sea axe of ceremony. 



In my own collection. 



213. South Sea fish-hook, one-half of the actual size. 



In my own collection. 



214. Esquimaux knife. From a specimen presented to me by Mr. Flower. 



215. 216. Esquimaux knife. 



In my own collection. 



217. Esquimaux arrow-head, actual size. Ibid. 



218. Esquimaux spear-head, actual size. Ibid. 



219. Esquimaux bone-harpoon, one-third of the actual size. Ibid. 



220. Esquimaux cheek-stud of stone. Presented to me by Dr. Rae. 

 221-223. Drawings on Esquimaux bone implements. 



Presented to the Ashmolean Museum, by Captain Beechy, 

 1832. 



224. Dacotah fire-drill-bow. From Schoolcraft's Indian tribes. 



225. Iroquois fire-pump-drill. From the same. 



226. Fuegian harpoon, one-half of the actual size. 



In my own collection. 



227. 228. Ogham stones. Found in Kerry. 



Cat. of Royal Irish Academy, p. 135. 



