282 



CYQNID^. 



Family, CYGNID^.— 5p, 



Neck very long; legs moderate; front toes broadly webbed; hind 

 toe not lobed ; keel long; bill high at the base, with a fleshy or callous 

 tubercle ; cere extending to the eye ; 2nd and 3rd quills of wing 

 longest ; tail short, rounded. 



Cygnus olor. The Mute Swan. 



Cygnus olor, Gm. ; P. E. 913 ; Naum. Vogt. t. 29 ; Gould. B. 

 Eur. pi. 354; Str. i^. vii. pp. 99,101,106; Murray, Hdbk., ZooL, ^c, 

 Sind, p. 231.— The Mute Swan. 



Entire plumage white ; callous tubercle at base of upper mandible ; 

 legs, feet and cere black ; bill reddish orange, the edges and tip black ; 

 irides dark brown. 



Length. — 48 to 52 inches. The following are the measurements of the 

 three specimens obtained by Mr. H. E. Watson given in Mr. Blanford's 

 paper on Wild Swans in Sind. — [Str. F. vii. 101.) 



No. 1. No. 2. No. 3. 



Length from tip of bill to end of tail... 58' 5" 62-* 60-" 



Expanse 78" 84- 82- 



Closed wing 22' 23* 



Tail from vent 9-75 10-25 9*75 



Bill from gape 375 3-8 



Tarsus measured on inner side 3' 8 4" 2 



The female resembles the male in every particular^ except that the 

 callous tubercle is smaller. 



