384  Reviews  and  Bibliographical  Notices.  {'^'"Ailr'ia^ys^'"'' 
II,  treating  of  the  metals  potassium,  rubidium,  caesium,  sodium,  lithium  and  barium, 
and  Nos.  11  to  16  of  vol.  Ill,  which  are  devoted  to  the  compounds  of  mercury,  and 
to  the  following  metals  and  their  compounds,  viz.,  silver,  gold  and  platinum. 
Medicinal  Plants.  Being  figures  with  accompanying  botanical  descriptions  and  an 
account  of  the  properties  and  uses  of  the  principal  plants  employed  in  medicine. 
By  Robert  Bentley,  F.L  S.,  and  Henry  Trimen,  M.B.,  F.L.S.  London:  J.  & 
A.  Churchill. 
The  name  of  Professor  Bentley  in  connection  with  this  publication  is  a  sufficient 
guarantee  that  the  illustrations  as  well  as  the  descriptions,  &c.,  will  be  of  unexcep- 
tionable character.    The  work  is  intended  to  represent  all  the  plants  officinal  in  the 
British  Pharmacopoeia  "  with  the  addition  of  some  others  included  in  the  "  United 
States  Pharmacopeia  "  or  that  of  India,  or  in  common  use  in  different  parts  of 
Europe.  It  will  be  published  in  parts,  each  containing  eight  colored  plates,  size, 
6|  by  9J  inches,  with  accompanying  text,  the  price  of  each  part  being  5^.  The 
numbers  will  be  issued  at  monthly  intervals,  commencing  October  ist,  next,  the 
entire  work  being  completed  with  about  300  plates.  We  need  not  dwell  upon  the 
value  of  such  a  work  to  the  student  of  botany  and  Materia  Medica  ;  but  judging 
from  the  faithful  execution  of  the  specimen  before  us,  we  take  great  pleasure  in  re- 
commending this  work.  The  Agents  for  the  United  States  are  Messrs.  Lindsay  & 
Blaklston,  Philadelphia. 
Geo.  P.  Ro'Tvell  &  Co  V  American  Neujspaper  Directory  ,•  containing  Accurate  Lists 
of  all  the  Newspapers  and  Periodicals  published  in  the  United  States  and  Terri- 
tories, and  the  Dominion  of  Canada.  New  York :  Geo.  P.  Rowell  &  Co.,  pub- 
lishers, 1875.    8vo,  pp.  984. 
This  is  the  seventh  edition  of  this  Directory,  the  increased  size  of  which  shows 
that  it  is  appreciated  by  the  publishers  of  periodicals  and  by  advertisers.  We  learn 
from  the  preface  that  8348  periodicals  were  issued,  at  the  beginning  of  1875,  the 
above-named  countries,  an  increase  of  564  over  the  previous  year.  An  unusual 
number  of  newspapers  have  been  reduced  in  size,  changed  proprietorship,  or  sus- 
pended publication,  during  the  past  year,  indicating  that  it  has  not  been  one  of 
prosperity,  notwithstanding  the  fact  that  the  actual  increase  in  the  number  printed 
has  exceeded  any  previous  year  since  the  establishment  of  the  Directory. 
The  largest  increase  of  periodicals  was  in  the  following  States:  Indiana,  84 j 
Iowa,  555  Illinois,  545  Missouri,  49;  Pennsylvania,  38;  Dominion  of  Canada,  335 
Ohio,  32  5  New  York,  31,  &c.  Three  States  publish  the  same  number  as  the  year 
previous,  and  in  three  States  the  number  has  decreased. 
Report  of  the  Twenty-seventh  Exhibition  of  American  Manufactures ,  held  in  the  City 
of  Philadelphia,  from  October  6th  to  November  12th,  1874,  by  the  Franklin  In- 
stitute, of  the  State  of  Pennsylvania,  for  the  Promotion  of  the  Mechanic  Arts. 
Philadelphia.    8vo,  pp.  284. 
On  pages  533  to  537  of  our  last  volume  will  be  found  a  report  on  those  articles 
exhibited  at  the  Franklin  Institute  Fair  which  are  of  special  interest  to  the  pharma- 
cist. The  volume  before  us  contains  the  reports  of  the  judges  of  the  diffisrent 
classes,  the  closing  address  of  the  president,  and  a  very  excellent  report  detailing 
the  observations  made  during  the  trial  experiments  with  the  steam  boilers  on  exhi- 
bition. 
