
 
        
         
		BICHAEDSON'S  SKUA.  
 LESTRIS RICHARDSONI, Swainson.  
 Lestris  richardsoui, Swainson,  Faun.  Bor.-Am. p. 433  (1831) ;  
 Macff.  v.  p.  4 9 2 ; Hewitson,  ii.  p.  509.  
 Lestris  parasitica, Naum.  x.  p.  50G.  
 Stercorarius  crepidatns, Yarr.  ed. 4,  iii.  p. G74 ; Dresser,  viii.  
 p.  471.  
 Labbeparasite,  French; Schmarotzer-Raubmove,  German ;  
 Cdgalo,  Spanish.  
 As I  have  no  personal  acquaintance  with  this  species  
 in  the  British  Islands,  my  friend  Colonel  Irhy  has  been  
 good  enough  to  write  the  following  remarks from  his  
 own  experience for my benefit  and  that of my readers  :—  
 "  About  thirty  or  forty  pairs of  Richardson's  Skua  
 breed on  one of  the  Inner  Hebrides,  where  they  arrive  
 during  the  end of  May  and  are  not seen after  the  20th  
 of  August.  
 "  Their  nesting  district  is  limited  to a flat  area of  
 wettish  ground  covered  with  small  tussocks of  grass,  
 moss,  and  stunted  heather, but  the  nests, or rather  spots  
 upon  which  the  eggs  are  laid,  are  dry.  
 "  We  found  the first  egg on  the  2nd of  June.  
 "  They  have a  well-known  habit of  stooping close  to