﻿28 
  EEPORT 
  UNITED 
  STATES 
  GEOLOGICAL 
  SURVEY. 
  

  

  The 
  delay 
  in 
  tlie 
  publication 
  of 
  the 
  Annual 
  Eeport 
  of 
  the 
  Survey 
  for 
  

   1875 
  has 
  been 
  produced 
  by 
  causes 
  beyond 
  the 
  control 
  of 
  the 
  geologist- 
  

   in-charge. 
  The 
  great 
  increase 
  of 
  labor 
  incident 
  to 
  the 
  International 
  

   Exposition 
  at 
  Philadelphia 
  drew 
  away 
  much 
  of 
  the 
  force 
  that 
  would 
  

   otherwise 
  have 
  been 
  expended 
  in 
  the 
  preparation 
  of 
  reports. 
  The 
  An- 
  

   nual 
  Eeport 
  for 
  the 
  year 
  1876 
  will 
  follow 
  the 
  present 
  one 
  in 
  a 
  few 
  

   months. 
  

  

  The 
  article 
  on 
  Economical 
  Entomology, 
  by 
  Dr. 
  A. 
  S. 
  Packard, 
  it 
  is 
  

   claimed, 
  will 
  form 
  a 
  timely 
  contribution, 
  and 
  will 
  very 
  properly 
  pre- 
  

   cede 
  the 
  more 
  exhaustive 
  reports 
  of 
  the 
  United 
  States 
  Entomological 
  

   Commission. 
  Professor 
  J. 
  A. 
  Allen's 
  valuable 
  Memoir 
  on 
  the 
  Bison 
  is 
  

   republished 
  from 
  the 
  Geological 
  Survey 
  of 
  Prof. 
  N. 
  S. 
  Shaler, 
  and 
  by 
  

   his 
  permission, 
  with 
  numerous 
  additions. 
  The 
  Annual 
  Eeport 
  will 
  thus 
  

   not 
  only 
  give 
  a 
  wider 
  circulation 
  to 
  a 
  most 
  interesting 
  and 
  an 
  exhaust- 
  

   ive 
  memoir, 
  but 
  serve 
  also 
  to 
  call 
  the 
  attention 
  of 
  Congress 
  to 
  the 
  

   wanton 
  and 
  useless 
  destruction 
  of 
  our 
  larger 
  mammals 
  all 
  over 
  the 
  

   West. 
  

  

  The 
  Survey 
  is 
  under 
  obligations 
  for 
  important 
  aid 
  in 
  the 
  reduction 
  of 
  

   rates 
  on 
  the 
  Union 
  Pacific, 
  Denver 
  Pacific, 
  Kansas 
  Pacific, 
  and 
  Denver 
  

   and 
  Eio 
  Grande 
  Eailways. 
  

  

  With 
  the 
  hope 
  that 
  the 
  present 
  Eeport 
  will 
  prove 
  an 
  acceptable 
  con- 
  

   tribution 
  to 
  our 
  knowledge 
  of 
  the 
  Western 
  Territories, 
  I 
  have 
  the 
  honor 
  

   to 
  remain, 
  very 
  respectfully, 
  your 
  obedient 
  servant, 
  

  

  E. 
  Y. 
  HAYDEN, 
  

   United 
  States 
  Geologist. 
  

  

  Hon. 
  Cael 
  Schurz, 
  

  

  Secretary 
  of 
  the 
  Interior. 
  

  

  