vni VKUB 19) 



barytc(4, 4) and a fifth of quartz (5, 5). The centre (6) 

 is sometimes left empty, but may be filled up with any 

 kind of ore or vemston 



1 For ftifihcf infarnuiioo on ihfa wb^cct 

 i. .\ M^(lfaflBteiaiC*)i 



. by C U Neve Kortet (Chute Criftn and Ca) } 0* 

 miUSi***^*,} K. KrM,,,(Ncw Yu,k Scientific 

 PblkhifCa); Tk< l*~~n if Gn Brttim mm* Inl**!^ 

 I h Kr: Pby, Luckwood.andSoo). A rateable piper on 

 the Gcocsfa of Ow DrporiU,- by PvoCMnr Pbfaptf , win be fond 

 in the 7m*r/Mj y /Ar Am*r*m* /*,tt/*/< 0/ Miming Shimon, 

 fol win. (1893). 



