BRITISH  ASSOCIATION  FOR  THE  ADVANCEMENT  OF  SCIENCI 
Office :  22  Albemarle  Street,  W. 
The  NEXT  ANNUAL  GENERAL  MEETING  will  be  held  at  Brightoi 
commencing  on  Wednesday,  August  14,  1872. 
President  Elect. 
DR.  WILLIAM  B.  CARPENTER,  LL.D.,  F.R.S.,  F.L.S.,  &c. 
Notice  to  Contributors  of  Memoirs. — Authors  are  reminded  that,  under  an  a 
rangement  dating  from  1871,  the  acceptance  of  Memoirs,  and  the  days  on  whic 
they  are  to  be  read,  are  now,  as  far  as  possible,  determined  by  Organizing  Con 
mittees  for  the  several  Sections  before  the  beginning  of  the  Meeting.  It  hr 
therefore  become  necessary,  in  order  to  give  an  opportunity  to  the  Committees 
doing  justice  to  the  several  communications,  that  each  Author  should  prepare  a 
Abstract  of  his  Memoir,  of  a  length  suitable  for  insertion  in  the  published  Trans 
actions  of  the  Association,  and  that  he  should  send  it,  together  with  the  origin; 
Memoir,  by  book-post,  on  or  before  August  1,  addressed  thus — "  General  Se 
cretaries,  British  Association,  22  Albemarle  Street,  London,  W.     For  Sectio 
"     If  it  should  be  inconvenient  to  the  Author  that  his  paper  should  b 
read  on  any  particular  day,  he  is  requested  to  send  information  thereof  to  th 
Secretaries  in  a  separate  note. 
Information  about  Local  Arrangements  may  be  obtained  by  application  to  th 
Local  Secretaries,  Town  Hall,  Brighton. 
GEORGE  GRIFFITH,  Assistant  General  Secretary. 
MR.  PROCTORS  NEW  BOOK. 
In  8vo,  with  10  Plates  and  20  Woodcuts,  price  12s.  cloth, 
ESSAYS  ON  ASTRONOMY. 
By  RICHARD  A.  PROCTOR,  B.A.,  Hon.  Sec.  R.A.S.,  Author  of 
'  The  Sun/  <  Other  Worlds  than  Ours/  &c. 
London  :  Longmans,  Green,  and  Co.,  Paternoster  Row. 
NEW  EDITION  OF  MILLER'S  CHEMICAL  PHYSICS. 
Now  ready,  in  8vo,  with  274  Woodcuts,  price  15s.  cloth, 
ELEMENTS  OF  CHEMISTRY,  THEORETICAL  AND  PRACTICAL. 
Part  I.— CHEMICAL  PHYSICS. 
By  WILLIAM  ALLEN  MILLER,  M.D.,  D.C.L.,  F.R.S.,  &c  ; 
Late  Professor  of  Chemistry  in  King's  College,  London. 
The  Fifth  Edition,  revised,  with  Additions,  by 
HERBERT  MACLEOD,  F.C.S., 
Professor  of  Experimental  Science,  Indian  Civil  Engineering  College, 
Cooper's  Hill. 
London  :  Longmans,  Green,  and  Co.,  Paternoster  Row. 
In  demy  8vo,  cloth,  435  pages,  price  15s. 
CHEMICAL  PHENOMENA  OF  IRON  SMELTING, 
An  Experimental  and  Practical  examination  of  the  circumstances  which  determine 
the  capacity  of  the  Blast- Furnace,  the  Temperature  of  the  Air,  and  the  proper 
condition  of  the  materials  to  be  operated  upon. 
By  I.  LOWTHIAN  BELL. 
George  Routledge  and  Sons,  The  Broadway,  Ludgate  Hill. 
[ADVERTISEMENTS  continued  on  3rd  page  of  Cover. 
