Oct.  1899. 
Annual  Report  of  the  Director. 
BARBOUR,  PROF.  E.  H.,  Lincoln,  Neb. 
20  specimens  showing  structure  and  probable  early  forms  of  Dcemonelix 
— South  Dakota  and  Nebraska. 
50  specimens,  including  Inoceramns,  concretions,  golden  calcite,  faulted 
sandstone,  laminated  limestone,  dendrite,  etc. — South  Dakota  and 
Nebraska. 
BUTTS,  MRS.  P.  D.,  340  Fifty-seventh  street,  Chicago. 
1  specimen  Chlorastrolite  (cut  stone) — Isle  Royal,  Lake  Superior. 
CALDWELL,  DR.  CHAS.,  Chicago. 
1  specimen  Oligoclase — Minnesota. 
CAMBRIDGE  TILE  MANUFACTURING  CO.,  Covington,  Ky. 
32  specimens  art  tiles. 
CANADIAN  PEAT  FUEL  CO.,  Toronto,  Ont. 
10  specimens  of  peat  and  its  products — YVelland  bog,  Welland,  Ont. 
CARR,  J.  C,  Morris,  111. 
48  specimens,  representing  45  species  of  Carboniferous  fossil  plants— 
Mazon  Creek,  Grundv  Co.,  111. 
CHICAGO  ACADEMY  OF  SCIENCES,  Lincoln  Park,  Chicago. 
26  specimens  fossils — Illinois  and  British  Columbia  (exchange). 
CHICAGO  VARNISH  CO.,  Chicago. 
1  specimen  elaterite — LTtah. 
COLORADO  ONYX  Co.,  19  West  Twenty-fourth  street,  New  York  City. 
5  slabs  onyx — Steamboat  Springs,  Colo. 
DAVIDSON  BROS.  MARBLE  CO.,  Chicago. 
1  polished  slab  of  Pavonazzo  marble — Italy. 
1  polished  slab  of  common  white  marble — Italy. 
DERN,  JOHN,  President  Mercur  Gold  Mining  and  Milling  Co.,  Salt  Lake  City, 
Utah. 
Series  of  specimens,  including  gold  ore,  leaching  solutions,  mill  product, 
etc.,  illustrating  extraction  of  gold  by  the  cyanide  process  as  con- 
ducted at  Mercur,  Utah. 
DOLDER,  ADOLF,  Panama,  Colombia. 
3  specimens  gold  ore,  quartz  and  sulphides — Colombia. 
EVANS  MARBLE  CO.,  Knoxville,  Tenn. 
6  slabs  marble,  9x16  inches,  polished,  illustrating  varieties  of  Tennessee 
marbles. 
FIELD,  J.  B.,  Atlantic  City,  N.  M. 
1  specimen  opal  in  matrix — Queretaro,  Mexico. 
FIELD  COLUMBIAN  MUSEUM. 
Collected  by  D.  G.  Elliot: 
1  quartz  crystal — Olympian  Mountains. 
Collected  by  O.  C.  Farrington: 
1  glaciated  pebble — Grindelwald  Glacier,  Switzerland. 
Collected  by  C.  F.  Millspaugh: 
7  specimens  limestone,  building  stone,  soil  and  fossils — Bermuda  Islands. 
Purchases: 
17  mineral  specimens,  including  Opal,  Endlichite,  Lawsonite,  Crocoite, 
etc. 
1  Elephas  tooth — Bliss,  Snake  River,  Idaho. 
1  etched  section  of  Mount  Joy  meteorite,  weighing  733  grammes — Mount 
Joy,  Adams  Co.,  Pa. 
5  photographs,  views  in  South  Dakota. 
1  section  of  Jamestown  meteorite  weighing  104  grammes. 
1  etched   section   of   Hayden  Creek,   Idaho,  meteorite,  weighing  51 
grammes. 
1  aerolite — Ness  City,  Kansas. 
1  Elephas  tooth — Street  of  Waxahachie,  Texas. 
