CATALOOCE OF BUITISH ItlRDS. 189 



The Hooper, Elk, or "Whistling Swan, Varr. Brit. D. od. 2. iii. 

 p. 187, fig. ; id. ed. 3. iii. p. I'Jl, tig. 



Gould, B. of Eur. pi. 355. 



a. Wiltshire. From Col. Montagii's Collection. 



b. HayHng Island. Presented by J. B. Tj-ndale, Esq. 



c. Great Britain. Young. From Mr. Leadbeater'B Collection. 



2. CroNrs amekicanus. The American Swan. 



Cjgnus americanus, Sharphss, Amer. Journ. Sci. Sf Arts, xxii. 

 p. ; Auduh. B. of Amer. ^1.411 ; MacgiJl. Man. N. H. Om. 

 ii. p. 157. 



(Edinburgh.) 



b. Ctgntjs. 



3. Ctgnus olor. The Mute Swan. 



Anas cygnus, var. /3, Linn. Faun. Stiec. p. 38. 



Anas olor, Gmel. S. N. i. p. 501 ; Temm. Man. d'Oni. (1815) 



p. 523. 

 Cygnus gibbus, Bechst. Naturg. Deutschl. iv. p. 815 ; Brehm,Vdr/. 



DeutscM. p. 829. 

 Cygnus olor, Boie, Ms, 1822, p. 563 ; Steph. Gen. Zooh sii. p. 15, 



pi. 38 ; Jenijns, Man. Brit. Vert. An. p. 228 ; Pr. Bonap. Geogr. 



Comp. List of B. p. 55 ; Keys. 6,- Bl. Wirbelth. Eur. p. 82 ; 



ScJdeq. Bev. Grit, des Ois. d'Eur. p. 110 ; Naum. Vog. Deutschl 



(1842) xi. p. 442, t. 295; G. B. Gray, Gen. of B. iii. p. 610." 

 Cygnus mansuetus, Fleni. Brit. An. p. 126. 

 Cygnus sibilus, PaJl. Zoogr. ii. p. 215. 

 Mute Swan, Beiu. Brit. B. (1804) ii. p. 277, fig. ; Yarr. Brit. B 



ed. 2. iii. p. 205, fig. ; id. ed. 3. iii. p. 209, fig. 

 Tame Swan, Penn. Brit. Zool. (1812) ii. p. 221. 



PI. Enl. 913 ; Goxdd, B. of Eur. pi. 354. 



a. Great Britain. 



b. Great Britain. Presented by Dr. Dowler. 



c. Skeleton. England. 



? 4. Cygnus lioruxABiLis. The Changeless Swan. 



Cygnus immutabUis, Yarr. Proc. Z. S. 1838, p. 19 ; Pr. Bonap. 



Geogr. Comp. List of B. p. 55 ; Macgill. Man. N. H. Orn. ii, 



p. 156 ; G. It. Gray, Gen. of B. iii. p. 610. 

 Cygnus olor immutab'ilis, Hchleg. Bev. Grit, des Ois. d'Eur. p. 112, 

 Pohsh Swan, Yarr. Brit. B. ed, 2, iii, p. 225, fig, ; id ed 3 iii 



p, 230, fig, 



a. Marshes near Hoi ning, Norfolk. 



