EB d 
Huansian ARCHEOLOGY IN BRITISH GUIANA 161 
Ori a Sim, 4 CM 
Ficure 65.—Stone artifacts of the Abary Phase. a,c, Axes. b, Adz. d-e, Hammerstones. 
Bead (fig. 67, d).—A single example of a polished, cylindrical bead 
is made of feldspar with traces of serpentine impurities. The sides 
are parallel and the outline is circular. The ends are flat but cut at a 
slight angle so that length varies from 7-9 mm. Diameter is 1.15 cm. 
The hole is biconically drilled and tapers from a diameter of 3 mm. 
at the surface to 2.5 mm. on the interior. 
Hammersiones (fig. 65, d-e)—Five hammerstone fragments are 
made from rounded natural pebbles or portions thereof, which show 
battering on the edges. One is andesite, the rest granite. The bat- 
tered ends are ovoid and measure from 5.8 by 3.5 cm. to 2.2 by 1.5 cm. 
Manos (fig. 66, a-c).—The four stones showing use as manos are 
made from three different kinds of stone: granite, andesite, and 
