﻿Miscellaneous 
  Intelligence. 
  239 
  

  

  III. 
  Miscellaneous 
  Scientific 
  Intelligence. 
  

  

  1. 
  Civic 
  Biology: 
  A 
  Textbook 
  of 
  Problems, 
  Local 
  and 
  

   National, 
  that 
  can 
  be 
  solved 
  only 
  by 
  Civic 
  Cooperation; 
  by 
  

   Clifton 
  F. 
  Hodge 
  and 
  Jean 
  Dawson. 
  Pp. 
  viii, 
  381, 
  with 
  168 
  

   figures. 
  Boston, 
  1918 
  (Ginn 
  and 
  Co.). 
  — 
  This 
  is 
  a 
  truly 
  prac- 
  

   tical 
  book, 
  containing 
  precisely 
  those 
  fact 
  about 
  animals 
  and 
  

   plants 
  that 
  everyone 
  in 
  a 
  community 
  must 
  know 
  before 
  the 
  

   highest 
  ideals 
  of 
  civic 
  life 
  are 
  realized. 
  It 
  is 
  only 
  by 
  the 
  coopera- 
  

   tion 
  of 
  the 
  whole 
  people 
  in 
  ways 
  similar 
  to 
  those 
  here 
  indicated 
  

   that 
  a 
  victory 
  can 
  be 
  gained 
  over 
  those 
  greatest 
  enemies 
  of 
  man- 
  

   kind—the 
  animal 
  and 
  plant 
  parasites 
  and 
  destroyers 
  — 
  which 
  

   render 
  the 
  human 
  existence 
  so 
  precarious 
  and 
  civilized 
  life 
  so 
  

   difficult 
  to 
  maintain. 
  

  

  The 
  book 
  is 
  intended 
  for 
  the 
  high 
  school 
  pupil, 
  for 
  whom 
  it 
  

   is 
  well 
  suited, 
  but 
  it 
  might 
  also 
  be 
  read 
  with 
  profit 
  by 
  everyone 
  

   interested 
  in 
  his 
  own 
  or 
  in 
  the 
  public 
  welfare. 
  w. 
  r. 
  c. 
  

  

  2. 
  The 
  Rodents 
  of 
  Iowa. 
  Bulletin 
  No. 
  5, 
  Iowa 
  Geological 
  

   Survey; 
  by 
  Dayton 
  Stoner. 
  Pp. 
  172; 
  Des 
  Moines, 
  1918 
  (Iowa 
  

   Geological 
  Survey). 
  — 
  A 
  popular 
  systematic 
  account 
  of 
  the 
  gnaw- 
  

   ing 
  animals 
  of 
  the 
  state, 
  with 
  particular 
  emphasis 
  on 
  the 
  eco- 
  

   nomic 
  importance 
  of 
  each 
  species 
  and 
  directions 
  for 
  destroying 
  

   those 
  which 
  are 
  the 
  most 
  injurious. 
  w. 
  r. 
  c. 
  

  

  3. 
  Plant 
  Genetics; 
  by 
  John 
  M. 
  Coulter 
  and 
  Merle 
  C. 
  Coul- 
  

   ter. 
  Pp. 
  ix, 
  214, 
  40 
  figures 
  in 
  text; 
  Chicago, 
  1918 
  (The 
  Univer- 
  

   sity 
  of 
  Chicago 
  Press). 
  — 
  This 
  little 
  volume 
  was 
  designed 
  to 
  meet 
  

   the 
  needs 
  of 
  students 
  who 
  have 
  had 
  some 
  training 
  in 
  botany 
  but 
  

   who 
  have 
  no 
  distinct 
  intention 
  of 
  becoming 
  professional 
  geneti- 
  

   cists. 
  The 
  various 
  theories 
  and 
  principles 
  of 
  genetics 
  are 
  clearly 
  

   presented, 
  and 
  the 
  important 
  results 
  which 
  have 
  already 
  been 
  

   attained 
  are 
  briefly 
  reviewed. 
  A 
  good 
  deal 
  of 
  attention 
  is 
  nat- 
  

   urally 
  given 
  to 
  Mendel's 
  Law 
  and 
  to 
  the 
  more 
  modern 
  hypothe- 
  

   ses 
  which 
  are 
  based 
  wholly 
  or 
  in 
  part 
  upon 
  that 
  law, 
  and 
  the 
  

   diagrams 
  illustrating 
  this 
  portion 
  of 
  the 
  book 
  are 
  unusually 
  

   satisfactory. 
  Of 
  special 
  interest 
  to 
  botanists 
  are 
  the 
  chapters 
  

   on 
  Parthenogenesis 
  and 
  Vegetative 
  Apogamy, 
  Inheritance 
  in 
  

   Gametophytes, 
  and 
  the 
  Endosperm 
  in 
  Inheritance 
  ; 
  the 
  topics 
  

   herein 
  treated 
  deal 
  almost 
  wholly 
  with 
  plants 
  and 
  usually 
  receive 
  

   but 
  scant 
  consideration 
  in 
  general 
  works 
  on 
  genetics. 
  The 
  con- 
  

   cluding 
  chapters 
  deal 
  with 
  Sex 
  Determination 
  and 
  the 
  Bearers 
  

   of 
  Hereditary 
  Characters. 
  a. 
  w. 
  e. 
  

  

  4. 
  Cellulose, 
  an 
  Outline 
  of 
  the 
  Chemistry 
  of 
  the 
  Structural 
  

   Elements 
  of 
  Plants 
  with 
  reference 
  to 
  their 
  Natural 
  History 
  and 
  

   Industrial 
  Uses; 
  by 
  C. 
  F. 
  Cross 
  and 
  E. 
  J. 
  Bevan. 
  New 
  impres- 
  

   sion, 
  London, 
  1918 
  (Longmans, 
  Green, 
  and 
  Co.). 
  — 
  This 
  new 
  

   impression 
  is 
  distinguished 
  from 
  the 
  third 
  edition 
  (1916) 
  of 
  

   Cross 
  and 
  Bevan 
  's 
  textbook 
  by 
  the 
  insertion 
  of 
  a 
  supplementary 
  

   chapter, 
  which 
  gives 
  a 
  resume 
  and 
  discussion 
  of 
  recent 
  researches. 
  

  

  