﻿Miscellaneous 
  Intelligence. 
  357 
  

  

  III. 
  Miscellaneous 
  Scientific 
  Intelligence. 
  

  

  1. 
  Lehrbuch 
  der 
  Allgemeinen 
  Chemie 
  ; 
  von 
  Dr. 
  Wilh. 
  Ostwald. 
  

   Second 
  edition, 
  vol. 
  ii. 
  Part 
  ii. 
  Verwandschaftslehre. 
  pp. 
  1-208 
  

   (Engelmann, 
  Leipzig), 
  1896. 
  — 
  The 
  present 
  issue, 
  the 
  first 
  of 
  five 
  

   installments, 
  which 
  when 
  complete 
  will 
  conclude 
  the 
  present 
  edi- 
  

   tion 
  of 
  the 
  work, 
  is 
  devoted 
  almost 
  entirely 
  to 
  the 
  history 
  of 
  affi- 
  

   nity. 
  Hardly 
  anything 
  remains 
  of 
  the 
  previous 
  edition 
  except 
  the 
  

   arrangement. 
  The 
  whole 
  work 
  has 
  been 
  rewritten 
  and 
  numerous 
  

   valuable 
  additions 
  in 
  the 
  shape 
  of 
  extracts 
  from 
  original 
  memoirs 
  

   have 
  been 
  inserted. 
  Considerable 
  space 
  has 
  been 
  devoted 
  to 
  the 
  

   work 
  of 
  Gibbs 
  and 
  van't 
  Hoff, 
  conspicuously 
  marking 
  the 
  recent 
  

   achievements 
  in 
  this 
  branch 
  of 
  science, 
  and 
  the 
  dissociation 
  theory 
  

   of 
  Arrhenius 
  receives 
  its 
  share 
  of 
  attention. 
  The 
  work 
  comprises 
  

   our 
  complete 
  knowledge 
  of 
  the 
  doctrine 
  of 
  affinity, 
  and 
  is, 
  like 
  all 
  

   other 
  books 
  from 
  the 
  pen 
  of 
  this 
  talented 
  author, 
  a 
  most 
  valuable 
  

   addition 
  to 
  scientific 
  literature. 
  b. 
  b. 
  b. 
  

  

  2. 
  Inorganic 
  Chemical 
  Preparations 
  ; 
  by 
  F. 
  H. 
  Thorp. 
  8vo, 
  

   pp. 
  238. 
  Boston, 
  1896 
  (Ginn 
  & 
  Co.). 
  — 
  Tnis 
  important 
  branch 
  

   of 
  chemical 
  instruction 
  doubtless 
  deserves 
  to 
  be 
  taught 
  more 
  

   generally 
  and 
  fully 
  than 
  is 
  the 
  case 
  at 
  present, 
  and 
  new 
  aids 
  to 
  

   carrying 
  out 
  such 
  instruction 
  should 
  be 
  welcomed. 
  The 
  book 
  

   under 
  consideration 
  gives 
  100 
  preparations, 
  with 
  directions 
  which 
  

   are 
  generally 
  very 
  full 
  and 
  satisfactory. 
  Much 
  useful 
  information 
  

   is 
  given 
  concerning 
  reactions, 
  molecular 
  weights, 
  specific 
  gravities 
  

   of 
  solutions 
  and 
  the 
  solubilities 
  of 
  the 
  products, 
  etc. 
  The 
  prepa- 
  

   rations 
  selected 
  are 
  the 
  salts 
  most 
  used 
  in 
  the 
  laboratory 
  as 
  

   reagents, 
  or 
  those 
  of 
  commercial 
  importance. 
  The 
  raw 
  materials 
  

   required 
  are, 
  with 
  few 
  exceptions, 
  inexpensive. 
  

  

  The 
  quantities 
  recommended 
  in 
  the 
  book 
  seem, 
  in 
  many 
  in- 
  

   stances, 
  larger 
  than 
  the 
  facilities 
  of 
  most 
  laboratories 
  would 
  war- 
  

   rant 
  and 
  larger 
  than 
  the 
  student 
  would 
  need 
  to 
  become 
  familiar 
  

   with 
  the 
  compounds. 
  The 
  number 
  of 
  preparations, 
  consisting 
  

   merely 
  of 
  the 
  purification 
  of 
  commercial 
  salts 
  and 
  which 
  give 
  but 
  

   little 
  variety 
  of 
  chemical 
  methods, 
  seems 
  to 
  the 
  reviewer 
  to 
  be 
  

   unduly 
  large 
  ; 
  but 
  many 
  instructive 
  preparations 
  are 
  introduced, 
  

   and 
  with 
  a 
  proper 
  selection 
  of 
  these 
  a 
  very 
  satisfactory 
  course 
  

   could 
  be 
  carried 
  out 
  with 
  the 
  aid 
  of 
  this 
  book. 
  h. 
  l. 
  w. 
  

  

  3. 
  Tutorial 
  Chemistry. 
  Parti. 
  Non-metals 
  ; 
  by 
  G. 
  H. 
  Bailey. 
  

   12 
  mo, 
  pp. 
  126. 
  London 
  (W. 
  B. 
  Clive 
  ; 
  Hinds 
  & 
  Noble, 
  4 
  Cooper 
  

   Institute, 
  New 
  York). 
  — 
  This 
  little 
  text-book 
  possesses 
  many 
  admir- 
  

   able 
  features. 
  It 
  is 
  not 
  overburdened 
  with 
  either 
  facts 
  or 
  theory, 
  

   but 
  the 
  fundamental 
  principles 
  of 
  the 
  science 
  are 
  clearly 
  set 
  forth 
  

   and 
  the 
  number 
  of 
  iacts 
  presented 
  seems 
  well 
  adapted 
  for 
  the 
  

   needs 
  of 
  the 
  beginner. 
  The 
  experiments, 
  about 
  100 
  in 
  all, 
  are 
  

   well 
  chosen, 
  and 
  many 
  of 
  them 
  show 
  originality 
  in 
  their 
  manner 
  

   of 
  presentation. 
  A 
  treatment 
  of 
  the 
  subject 
  of 
  " 
  chemical 
  phy- 
  

   sics 
  " 
  is 
  promised 
  for 
  the 
  second 
  part 
  in 
  connection 
  with 
  a 
  study 
  

   of 
  the 
  metals. 
  h. 
  l. 
  w. 
  

  

  4. 
  Laboratory 
  Manual 
  of 
  Inorganic 
  Chemistry 
  ; 
  by 
  R. 
  P. 
  

  

  