s  burls 
Element  V.    The  distribution  a 
leDresented  in  shades' of  color  ( 
p  of  North 
ttierica  two  feet  square.    This  serves  a  commercial  purpose  m  n 
; 
Pl.  V.    View  in  Hall  Containing  Collection  of  Marbles  and  Ornamental 
Stones. 
Here  are  exhibited  about  350  specimens  of  the  best  known  varieties  of  Amer- 
ican, French,  English,  Italian,  Greek  and  Norwegian  marbles,  together  with 
serpentines,  onyx  and  granitoid  rocks  adapted  to  ornamental  uses.  So  far  as 
possible  the  specimens  are  in  the  form  of  polished  slabs  of  the  uniform  size  of 
10  x  16  inches.  The  object  of  the  collection  is  to  facilitate  study  of  varieties  of 
ornamental  stones  and  give  information  of  the  localities  where  they  may  be 
obtained. 
^  r  cv  L01  ..  a  1  on  pai  y,  tie  „oanoma  LAn'.ner  1  <  mpauj 
and  others,  who  evinced  their  interest  in  this  permanent  gxpositioi 
bv  offering:  material  and  transportation  to  assist  in  completing  the 
he  Gulf  of  Mexico  and  m  Florida  and 
t  three  months  in  the  late  winter,  and 
kins  to  be  added  to  the  already  large  col- 
>irds;  to  which  the  Curator  of  the  depart- 
d  a  large  amount  of  work  during 
assirication  of  material  already 
in  order  to  bring  the  installation 
museum  standard,  and  also  to 
aterial  which  had  not  obtained 
ruc,tu;nff   frrmi    th*    effort  so 
