X LIST OF ILLUSTRATIONS. 



PAGE 



Fig. 138. Arro w-shaft-grinder ; compact chlorite; Mexico 34 



Fig. 139. Arrow-shaft-grinder; hornblende rock ; Southern Utah ....... 34 



Fig. 140. Polisher, oval, with truncated ends ; quartzose rock ; Indiana 35 



Fig. 141. Polisher, rhomboidal in outline; cast; Louisiana 35 



Fig. 142. Polisher, club-shaped; lydite; Pennsylvania ......... 35 



Fig. 143. Vessel of elongated shape, with projections at the narrower ends ; potstone ; Massachusetts 3G 



Fig. 144. Bowl ; potstone ; Wyoming .... 3G 



Fig. 145. Large Vessel, nearly globular, with a narrow aperture encircled by a raised rim; potstone; 



California 36 



Fig. 14G. Large bowl-shaped Vessel ; potstone; California 3G 



Fig. 147. Boat-shaped Vessel ; potstone ; California 36 



Fig. 148. Bowl ; serpentine ; California 3G 



Fig, 149. Cup; sandstone; California 3G 



Fig. 150. Round Plate, ornamented ; graywacke ; Alabama 3&quot; 



Fig. 151. Rectangular Plate, ornamented ; graywacke; Alabama ....... 37 



Fig. 152. Pierced Plate ; potstone ; California 37 



Fig. 153. Mortar, hollowed boulder; sandstone; California 39 



Fig. 154. Mortar, hollowed boulder; sandstone; California 39 



Fig. 155. Mortar, with projections on two sides ; sandstone; California ...... 39 



Fig. 156. Large Mortar, tapering toward the bottom ; sandstone ; California 39 



Fig. 157. Small Mortar, tapering toward the bottom, ornamented; sandstone; California . . 39 



Fig. 158. &quot; Metate ;&quot; sandstone ; Utah 39 



Fig. 159. Slab of granite with sandstone Rubber; Navajo Indians ........ 39 



Fig. ICO. Slab of sandstone, showing irregular depressions (&quot;nut-stone&quot;) ; Pennsylvania . . 40 



Fig. IGOa. Slab of sandstone, bearing cup-shaped cavities ; Kentucky 40 



Fig. 1C1. Pestle of conical form ; syenite ; California 42 



Fig. 1G2. Pestle, terminating in a knob at the upper end ; sandstone; California .... 42 



Fig. 1G3. Pestle, with a small knob at the upper extremity ; sandstone; California ... .42 



Fig. 1G4. Pestle, showing a ring-like ridge below the tapering upper end; sandstone; California . 42 



Fig. 1 G5. Pestle, with a knob-like expanse at the lower extremity ; amygdaloid ; California . . 42 



Fig. 1G6. Pestle of cylindrical form ; sandstone; Rhode Island 42 



Fig. 1G7. Cylindrical Pestle, tapering abruptly at the upper end; compact greenstone ; Alaska . 42 



Fig. 168. Pestle of conical form, expanding base ; greenstone ; Pennsylvania ..... 42 



Fig. 169. Pestle, with expanding base and truncated upper end; syenite; Ohio 42 



Fig. 170. Pestle, showing an expanding base and a circular ridge below the tapering upper end ; green 

 stone ; British Columbia 42 



Fig. 171. Pestle, with expanding base and similarly shaped upper extremity ; silicious stone; Wash 

 ington Territory 42 



Fig. 172. Pestle, exhibiting a horizontal handle which terminates in round plates ; greenstone; Alaska 42 



Fig. 173. Disc-shaped Stone, probably employed for grinding purposes ; greenstone ; Georgia . . 42 



Fig. 174. Mnller, conoid-shaped; greenstone; Ohio .......... 42 



Fig. 175. Cylindrical Tube; steatite; Tennessee 44 



Fig. 176. Tube, encircled in the middle by a raised ring; chlorite; Tennessee 44 



Fig. 177. Pipe, showing a round expanding bowl on a slightly curved base (&quot;mound-pipe &quot;); cast; 



Ohio 47 



Fig. 178. Pipe, with a bowl in the shape of a human head; cast; Ohio 47 



Fig. 179. Pipe, carved In imitation of a beaver; cast; Ohio 47 



Fig. 180. Pipe, in the shape of an otter with a fish in its mouth; cast; Ohio 47 



Fig. 181. Pipe, representing a heron ; cast ; Ohio .......... 47 



Fig. 182. Pipe, showing the body of a bird with a human head; cast; Ohio 47 



Fig. 183. Calumet-pipe; human llgure with a snake colled around its neck; cast; Ohio ... 47 



Fig. 184. Calumet-pipe, fashioned in imitation of a canine animal (wolf ?); cast; Ohio ... 47 



