﻿MOSQUITOS 
  OF 
  FAR 
  EASTERN 
  PORTS. 
  337 
  

  

  The 
  quarantine 
  station 
  is 
  at 
  Binh-Dong, 
  about 
  ten 
  miles 
  down-stream. 
  There 
  

   is 
  a 
  complete 
  equipment 
  of 
  buildings, 
  materials, 
  and 
  staff. 
  

  

  Mosquitos. 
  

  

  (A). 
  Adult 
  mosquitos 
  taken 
  in 
  houses 
  : 
  — 
  Gulex 
  fatigans, 
  Stegomyia 
  fasciata, 
  

   S. 
  albopicta 
  (scutellaris), 
  Armigeres 
  obturbans, 
  Mansonioides 
  annuliferus, 
  M. 
  annulipes, 
  

   Culex 
  sitiens, 
  Anopheles 
  rossi 
  var. 
  indefinitus, 
  A. 
  sinensis, 
  A. 
  minimus, 
  Theo. 
  

  

  (B). 
  Larvae 
  taken 
  in 
  artificial 
  collections 
  of 
  water 
  : 
  — 
  Stegomyia 
  fasciata, 
  

   S. 
  albopicta 
  (scutellaris), 
  Armigeres 
  obturbans. 
  

  

  (C). 
  Larvae 
  taken 
  in 
  natural 
  collections 
  of 
  water 
  : 
  — 
  Culex 
  fatigans, 
  G. 
  sitiens. 
  

  

  At 
  the 
  time 
  of 
  my 
  visit 
  to 
  Haiphong 
  in 
  December 
  the 
  temperature 
  was 
  low, 
  64°- 
  

   72°F., 
  and 
  mosquitos 
  were 
  few 
  in 
  number. 
  A 
  few 
  specimens 
  of 
  Stegomyia 
  

   fasciata 
  were 
  taken. 
  

  

  Dr. 
  P. 
  L. 
  Simond, 
  Inspector 
  General 
  of 
  the 
  Sanitary 
  and 
  Medical 
  Services 
  of 
  

   Indo-China, 
  reports 
  (Bull. 
  Soc. 
  Med. 
  Chir. 
  Indochine, 
  vii. 
  2,1916) 
  that 
  he 
  found 
  

   a 
  specimen 
  of 
  Stegomyia 
  fasciata 
  in 
  Hanoi, 
  Tonkin, 
  in 
  November 
  1915, 
  but 
  considers 
  

   that 
  the 
  species 
  is 
  rare 
  in 
  this 
  region. 
  Dr. 
  Simond 
  has 
  also 
  made 
  observations 
  

   in 
  Cochin-China, 
  where 
  he 
  found 
  specimens 
  of 
  Stegomyia 
  fasciata, 
  but 
  concludes 
  

   that 
  it 
  is 
  a 
  rare 
  species. 
  This 
  conclusion 
  was 
  not 
  borne 
  out 
  by 
  my 
  examination 
  

   of 
  breeding 
  places 
  in 
  Saigon. 
  

  

  Canton. 
  

  

  Canton, 
  the 
  capital 
  of 
  the 
  Chinese 
  Province 
  Kwang 
  Tung, 
  is 
  situated 
  on 
  the 
  

   Cha 
  Kiang 
  or 
  Pearl 
  River 
  in 
  latitude 
  23° 
  7' 
  North 
  and 
  longitude 
  113° 
  14' 
  East. 
  

   The 
  city 
  proper 
  extends 
  to 
  a 
  breadth 
  of 
  about 
  two 
  miles 
  and 
  is 
  about 
  six 
  miles 
  

   in 
  circumference, 
  being 
  enclosed 
  by 
  a 
  wall. 
  The 
  suburbs 
  extend 
  along 
  the 
  river 
  

   for 
  about 
  five 
  miles. 
  The 
  population 
  has 
  been 
  estimated 
  by 
  the 
  Customs 
  

   authorities 
  at 
  2,500,000. 
  

  

  Trade. 
  — 
  Ample 
  means 
  of 
  communication 
  exist 
  between 
  Canton 
  and 
  Hong 
  Kong, 
  

   a 
  distance 
  of 
  95 
  miles 
  by 
  water 
  and 
  112 
  miles 
  by 
  railway. 
  Foreign 
  steamers 
  and 
  a 
  

   large 
  number 
  of 
  native 
  craft 
  ply 
  daily. 
  There 
  is 
  daily 
  steamer 
  communication 
  

   with 
  Macao, 
  and 
  regular 
  communication 
  with 
  Wuchow 
  and 
  other 
  West 
  River 
  towns 
  

   and 
  with 
  Shanghai 
  and 
  other 
  Chinese 
  ports. 
  Ocean-going 
  vessels 
  of 
  considerable 
  

   draught 
  can 
  proceed 
  to 
  Canton. 
  

  

  Temperature 
  and 
  Rainfall. 
  — 
  The 
  monthly 
  mean 
  temperature 
  exceeds 
  80°F. 
  

   only 
  during 
  the 
  four 
  months 
  June 
  to 
  September. 
  During 
  the 
  months 
  December 
  

   to 
  February 
  it 
  falls 
  to 
  about 
  60°F. 
  The 
  annual 
  mean 
  rainfall 
  is 
  about 
  65 
  inches, 
  

   April 
  to 
  August 
  being 
  the 
  rainy 
  months. 
  

  

  Water 
  Supply. 
  — 
  There 
  is 
  a 
  public 
  water 
  supply 
  of 
  limited 
  extent 
  brought 
  from 
  

   the 
  hills 
  eight 
  miles 
  from 
  the 
  city, 
  but 
  both 
  within 
  and 
  without 
  the 
  city 
  walls 
  

   there 
  are 
  large 
  numbers 
  of 
  wells. 
  The 
  practice 
  of 
  storing 
  water 
  in 
  jars 
  is 
  very 
  

   general. 
  

  

  Sanitation 
  and 
  Quarantine. 
  — 
  In 
  the 
  Chinese 
  city 
  little 
  is 
  attempted 
  in 
  the 
  way 
  

   of 
  sanitation 
  as 
  understood 
  in 
  Europe. 
  The 
  Municipality 
  of 
  Shameen 
  (British 
  

   Concession) 
  employs 
  a 
  medical 
  officer 
  of 
  health. 
  

  

  