314 ARTS AND GRAFTS OF GUIANA INDIANS [PTH. ANN. 38 
the depth of this lamina is dependent upon the number of contained 
rails, it may or may not be of equal extent above and below the level 
of the base or foundation surface. From 4 to 10 rails are utilized 
in the construction of these edgings. In Wapishana (itiriti) speci- 
mens I have seen some with 2 above and below, as well as others with 
L=92 
S 
LIZZ 
SENS 
T7 
[7 
SS 
[TZ 
“77 
O 
LT Z 
{ITP 
5) 
ZZ 
re, 
EF, ' 
ZI) 
Fic. 103.—Rectangular tray—straight vertical rim, ete, A, B, Wapishana; C, Akawai. 
3 above and 1 below (fig. 104). In the Patamona (Astrocaryum) ar- 
ticles 3 above and below; in the Arawak, Warrau, Carib, Akawai, 
etc. (itiriti), trays from 3 to 5 above and below. The manufacture 
of a typical Arawak tray, say, with 6 rails (wefts) might be de- 
scribed thus: Taking up two at a time (fig. 105 A, ab, cd, ef) of the 
strands projecting from the foundation, these are together passed 
