﻿REPORT 
  OF 
  THE 
  SECRETARY 
  35 
  

  

  The 
  full 
  list 
  of 
  Doctor 
  Knowlton's 
  writings 
  in 
  paleobotany 
  con- 
  

   tains 
  over 
  125 
  titles, 
  and 
  in 
  addition 
  he 
  published 
  nearly 
  100 
  papers 
  

   in 
  botany 
  and 
  ornithology. 
  His 
  publications 
  have 
  been 
  of 
  the 
  great- 
  

   est 
  value 
  to 
  geology 
  and 
  paleobotany 
  — 
  to 
  the 
  latter, 
  especially 
  his 
  

   catalogues 
  of 
  the 
  Mesozoic 
  and 
  Tertiary 
  plants 
  of 
  North 
  America, 
  

   which 
  are 
  used 
  by 
  students 
  of 
  the 
  later 
  floras 
  in 
  all 
  countries. 
  Among 
  

   zoologists. 
  Doctor 
  Knowlton's 
  " 
  Birds 
  of 
  the 
  World 
  " 
  is 
  considered 
  

   his 
  most 
  important 
  scientific 
  contribution. 
  

  

  Respectfully 
  submitted. 
  

  

  C. 
  G. 
  Abbot, 
  Acting 
  Secretary. 
  

  

  