﻿POPULATION 
  OF 
  ANCIENT 
  AMERICA 
  — 
  SPINDEN 
  471 
  

  

  5. 
  Fluctuations 
  have 
  been 
  much 
  more 
  evident 
  in 
  humid 
  lands, 
  

   tropical 
  or 
  temperate, 
  than 
  in 
  arid 
  lands. 
  

  

  6. 
  The 
  greatest 
  factor 
  in 
  depopulation 
  has 
  been 
  disease 
  in 
  epidemic 
  

   form. 
  

  

  NOTE 
  ON 
  THE 
  RAINFALL 
  MAP 
  

  

  In 
  compiling 
  this 
  map 
  use 
  lias 
  been 
  made 
  of 
  official 
  statistics 
  where 
  available 
  

   (including 
  the 
  United 
  States 
  Weather 
  Bureau's 
  West 
  Indian 
  and 
  Caribbean 
  

   Service, 
  Oliver 
  L. 
  Fassig 
  in 
  charge) 
  and 
  standard 
  references 
  such 
  as 
  Hann's 
  

   "Handbuch 
  der 
  Klimatologie" 
  and 
  Supan's 
  "Die 
  Verteilung 
  des 
  Niederschlags," 
  

   Petermanns 
  Mitt. 
  Erganzungsheft 
  No. 
  124, 
  1898. 
  Also 
  of 
  the 
  following: 
  

  

  Alfred 
  Merz: 
  Beitrage 
  zur 
  Ivlimatologie 
  und 
  Hydrographie 
  Mittelamerikas, 
  

   Leipzig, 
  1907. 
  

  

  M. 
  W. 
  Harrington: 
  Central 
  American 
  Rainfall, 
  Bull. 
  Pliilos. 
  Soc. 
  Washington, 
  

   Vol. 
  13,1895-1899, 
  pp. 
  1-30, 
  Washington, 
  1900. 
  

  

  W. 
  W. 
  Reed: 
  Climatological 
  Data 
  for 
  Central 
  America, 
  Monthly 
  Weather 
  Rev., 
  

   Vol. 
  51, 
  pp. 
  133-141, 
  Washington, 
  1923. 
  

  

  Paul 
  Heidke: 
  Regenmessungen 
  aus 
  Guatemala, 
  Deutsche 
  "Obersee. 
  Meteorol. 
  

   Beobachtungen, 
  No. 
  23, 
  pp. 
  A 
  26-30, 
  Deutsche 
  Seewarte, 
  Hamburg, 
  1922. 
  

  

  Karl 
  Sapper: 
  Grundzuge 
  der 
  physikalischen 
  Geographie 
  von 
  Guatemala, 
  Peter- 
  

   manns 
  Mitt. 
  Erganzungsheft 
  No. 
  113, 
  1894. 
  

  

  Karl 
  Sapper: 
  Verteilungen 
  des 
  Regenfalls 
  in 
  nordlichen 
  Mittelamerika 
  (map). 
  

   Petermanns 
  Mitt., 
  Vol. 
  43, 
  PI. 
  10, 
  1897. 
  

  

  Karl 
  Sapper: 
  Die 
  Alta 
  Verapaz 
  (Guatemala), 
  Mitt. 
  Geogr. 
  Gesell. 
  in 
  Hamburg, 
  

   Vol. 
  17, 
  pp. 
  78-214, 
  1901. 
  

  

  Eckhard 
  Lottermoser: 
  Die 
  Ergebnisse 
  der 
  Temperatur-Beobachtungen 
  in 
  Sal- 
  

   vador 
  und 
  Siid-Guatemala, 
  Mitt. 
  Geogr. 
  Gesell. 
  in 
  Hamburg, 
  Vol. 
  24, 
  pp. 
  31-84, 
  

   1909. 
  

  

  Eckhard 
  Lottermoser: 
  Die 
  Regenverhaltnisse 
  Mittelamerikas 
  mit 
  besonderer 
  

   Beriiksichtigung 
  von 
  Salvador 
  und 
  Siid-Guatemala, 
  inang. 
  Diss., 
  Tubingen, 
  

   1911. 
  

  

  A. 
  P. 
  Davis: 
  Hydrography 
  of 
  Nicaragua. 
  Twentieth 
  Ann. 
  Rept. 
  U. 
  S. 
  Geol. 
  

   Survey, 
  1898-99, 
  Part 
  IV, 
  Hydrography, 
  pp. 
  563-637, 
  Washington, 
  1900. 
  

  

  Rainfall 
  records 
  kept 
  by 
  commercial 
  corporations 
  and 
  private 
  individuals, 
  

   mostly 
  unpublished, 
  including: 
  records 
  from 
  the 
  United 
  Fruit 
  Co. 
  (Tela 
  Railroad, 
  

   Truxillo 
  Railroad, 
  etc.) 
  in 
  Guatemala, 
  Honduras, 
  Costa 
  Rica, 
  and 
  Panama; 
  the 
  

   Cuyamel 
  Fruit 
  Co. 
  (Cortes 
  Development 
  Co., 
  etc.) 
  in 
  Honduras 
  and 
  Nicaragua; 
  

   Vaccaro 
  Brothers 
  (Suiza 
  Planting 
  Co., 
  etc.) 
  in 
  Honduras; 
  Schlubach, 
  Sapper 
  & 
  

   Co., 
  Guatemala; 
  Spencer 
  Richardson, 
  Las 
  Canas, 
  Matagalpa, 
  Nicaragua; 
  from 
  

   stations 
  on 
  the 
  Salvador 
  Railway 
  Co.; 
  from 
  mines 
  of 
  Charles 
  Butters, 
  Salvador, 
  

   Honduras, 
  Nicaragua; 
  and 
  Minor 
  C. 
  Keith, 
  Guatemala 
  and 
  Costa 
  Rica, 
  etc. 
  

  

  