MrRDocH.l STOXF, AHZI'.S. 1(17 



it difficult to work, riol.ahly the oldfst ct tl„si' lul/cs is N,,. .-.(iOT:, 

 [69], Fig. 130, which has h,.,.|i selc'tcd as tlir typr ot ihr ••ailirsi lonii 

 we have represented in tiic eollcction. Tliis is of dark oli\c ^rccii, 

 almost blaek, jade. 7-2 iuclics loiii;. L'-S wide, and I-.! Iliirk. and snioolhly 

 ground on tlie bruadcr laces. The cutting cduc is nuich liidkcn tidiii 

 long use. Ouebroail la<-c is])i-ctty sniodthly giduiid.hut Icli lonuli at tlic 

 butt end. The otlier is rather tlatt.'i, but more tiian lialt'ofil is inviiu 

 lavly concave, the natural inequalities being liarilly touclied by grinding-. 

 Like the other dark-colored jade tools, this specimen is very nnu'li 



due to long contact witli greasy sulistances. 



No. S!»()(ii' |!M)()], from Nuwfdi, is an exceedingly rough adz ot sinnlar 

 shape, but so slightly ground tiiat it is probably one that was laidasi.le 



untiidshcd. From the battered appcararc .,t tl nds it seems to have 



been used tor a hammer. It is of the same dark jade as the preceding. 

 No. SiltlS!) [T'.IL'I, from I'tkiavwin. is <>\' rather light olive, opa(!ue jaile 

 and a tririe better linished than the ty].c. whih' No. S'.KKIl [ll.V.I. Fig. 

 i:?I.also from I'tkiavwin. is a still hettei' piece of w.ukmanshiii. the 

 curve of tiie faces to the cutting cd.ucheinu \ iMv gracclid. The inter- 

 esting j.oint alioul this specimen is that a straight piece iias been cut 

 otr from one side by sawing down smoothly from ea(di face almost to the 

 middle and breaking the piece olf. \V<' were informed that this was done 

 to |)ro.Mir<' rods of jade for making kinfe sharpeners. We were inlornu-d 

 that these sKuics were cut ill the same way as marbh- and freestone are 

 <Mit with us. namcl.N. by sawing with a tiaf blade of ir.m and sand and 

 wat.M-. A thin lamina'of hard bone was probably used before the intro. 

 duction .if iron. I'ossil.ly a reindcr scajuila. cut like the one made 



