1. CTGNTJS, 35 



colour, and a large elongated jiatch of a light dull purple on each 

 side ; the edge of the lower mandible and the tongue dull yellowish 

 flesh-colour. The eye is dark brown. The feet are dull yellowish 

 brown, tinged with olive ; the claws brownish black, the webs 

 blackish brown. The upper part of the head and the cheeks are 

 light reddish brown, each feather having, towards its extremity, a 

 small oblong whitish spot, narrowly margined with dusky ; the 

 throat nearly white, as well as the edge of the lower eyelid. The 

 general colour of the other parts is greyish white, slightly tinged 

 with yellow ; the upper part of the neck marked with spots similar 

 to those on the head.'' {Aiuluhon.) 



" Cygnets are of a uniform ashy grey in their first plumage, darker 

 than in the corresponding plumage of C. olor." When moulting 

 they " seem to be whiter on the breast and darker on the back than 

 the Common Swan at the same period." (Sclater.) 



Hah. Interior of j^orth America, more rare or less generally 

 distributed towards the Pacific coast, rare or accidental along the 

 Atlantic coast ; breeding from Iowa and Dakota northward. 



a. Ad. sk. Vancouver Is. {J. K. Brit. N. Amer. Boun- 



Loi-d). dary Comm. [P.]. 



b. Ad. sk. Suake R., Washington, Salvin-Godman Coll. 



Sept. (Curtis). 



c. Juv. sk. Cahfomia. J. Richards, Esq. [P.]. 



d. Skeleton. N. America. Zool. Soc. 

 £. Sternum with trachea. 



5. Cygnus olor. 



Tame Swan, Edw. ^iVrfe.pl. 150 (head) (1743). 



Cygnus, Briss. Orn. vi. p. 28S (1760). 



Anas cygnus jS, Linn. S. N. i. p. 194 (1766). 



CypTius mansuetus, Salernc, Orn. ou Tr. des Ois. p. 404 (1767) ; 



Flem. Br. An. p. 126 (1828) ; G. R. Gr. List B. Brit. Mus. iii. 



p. 130 (1844) ; BeffJ. ^f Gerbe, Orn. Eur. ii. p. 475 (1867); Dvb. 



Faun. Behj., Ois. ii. p. 416, pi. 249 (1892). 

 eigne, D'Aubent. PL Enl. 913. 

 Cygne, Buff. Hist. Nat. Ois. ix. p. 3, pi. 1 (1783). 

 Anas cvgnas (errore?), Bodd. Tabl. PI. Enl. p. 54, n. 913 (1783). 

 Mute Swan, Lath. Syn. iii. 2, p. 436, n. 2 (1785). 

 Anas cygnus (mansuetus), Lath. Gen. Syn. Suppl. i. p. 297 (1787). 

 Anas olor, Gm. S. N. i. 2, p. 502, n. 47 (1788) ; Lath. Lnd. Or?i. ii. 



p. 834, n. 2 (1790). 

 Anser cvgnus a, Bonn. Enc. M6th, i. p. 107, pi. 28 (upper figm-e) 



(1790). _ 

 Cvgnus gibbus, Bechst. Gemeinn. Katurg. Deutschl. iv. p. 815 

 "(1809); Meyer, Taschenb. deutsch. Vogelk. ii. p. 501 (1810); 



Brehm, Isis, 1830, p. 995 ; Wagl Isis,' 1832, p. 1234 ; Nordm. 



Bull. Ac. Sc. St. Petersb. 1834, p. 450; Stejn. Pr. U.S. Nat. 



Mm. V. p. 189 (1882) ; Sunder. Ibis, 1886, p. 408 (osteol.). 

 Cygnus sibilus, Pall. Zoogr. Rosso-As. ii. p. 215 (1811). 

 Cygnus mutus, Forst. Syn. Cat. Br. B. p. 64 (1817). 



d2 



