﻿Swifts 
  and 
  Humming-birds. 
  

  

  :3G9 
  

  

  implanted 
  in 
  "frooves. 
  The 
  coracoid 
  of 
  the 
  Swallow 
  is 
  

   slender, 
  imperforate, 
  has 
  a 
  well-developed 
  epicoracoid, 
  and 
  is 
  

   implanted 
  in 
  a 
  groove. 
  From 
  these 
  notes 
  and 
  from 
  the 
  

   accompanying 
  figures 
  (6-9) 
  the 
  reader 
  may 
  draw 
  his 
  own 
  

   conclusions. 
  

  

  Fi- 
  II. 
  

  

  Right 
  humeri 
  of: 
  — 
  1. 
  Campyloj)teniii 
  hemileucurus, 
  X 
  4 
  ; 
  2. 
  Cypselus 
  

   apiis, 
  X 
  2| 
  ; 
  3. 
  Macrojden/.i- 
  Medio, 
  X 
  2 
  ; 
  4. 
  Chordeiles 
  viryinianus, 
  

   X 
  1 
  ; 
  5. 
  Progne 
  subis, 
  X 
  2. 
  

  

  It 
  would 
  require 
  careful 
  dissections, 
  much 
  close 
  study, 
  

   and 
  a 
  lengthy 
  article 
  to 
  do 
  justice 
  to 
  the 
  wing 
  of 
  the 
  

   Humming-t)ird, 
  and 
  I 
  have 
  contented 
  myself 
  with 
  offering 
  a 
  

   series 
  of 
  figures 
  (1-5) 
  showing 
  what 
  appear 
  to 
  me 
  various 
  steps 
  

  

  SER. 
  VI. 
  VOL. 
  v. 
  2 
  1) 
  

  

  