Ci'GNUS. 139 



Cygnus bewicki, Van: 



Cvirnus iiiinor, Thien. Fortpjiaiiz. i/cs. Toij. tab. Ixxvi. fig. 1 (184o— 54) ; 



Ihuili'kev. Bier Eur. HVy. tab. ol. tiy. 1 (l8oo-ti;J); Seehohm, Ibis, 



1879, p. 1.j8. 

 Cygnus bewickii, Ilciritsioi, Egfjs of lirif. Birds, ii. p. 3it6, pi. c.\i. tig. i 



Cvgnus bewicki, Scfliohm A- Harvic-Bnncn, Ibig, 1870, p. 4.38 ; Dresser, 

 Birds Eur. vi. p. 441 (1880); Soehohm, Brit. Birds, iii. p. 484, 

 pi. .j8 (188.J); Scdradori, Cut. Birds B. M. xxvii. p. l9 (1895); 

 .'Secbo/uii, Ei/f/s of Brit. Birds, p. 29, pi. 8. fig. 2 (189(J) : Skarpe, 

 Hand-l. i. p! 207' (1899). 



The eggs of Bewick's Swan are inseparable from those of 

 V. cxhjitus^ but are somewhat smallei". Four specimens measure 

 from 3'S to 4-2o in length, and from 2-53 to 2-65 in breadth. 



1. IVtcliura It., Lat. 68= N., June Seebohm Coll. 



{H. Seebo/iin S,- J. A. Harvie- 



Bruw/i). 

 1. YeufSeiValley, Lat. (!!)°N. ,2nd July Seebohm Coll. 



{H. •Seebolim). 

 1, Yenesei Valley, Lat. 69^= N., 7th Seebohm Coll. 



July (i?. .v.). 

 1. Yenesei ^'allev, Lat. 70^°, l8th June Seebohm Coll. 



{II. S.). 



Cygnus columbianus (Orel). 



Cygiuis amevicauus, dnies, Birds X.-West. p. o4o (1874). 



Olor colombianus. Baird, Brewer 6,- Ridyic. Water Birds N. Am. i. 



p.425(l884); MacFarlane, Broc. U.S. yat. Miis. xiv. p. 425 aB91). 

 C\i!'nu;? polunibianus, Scdradori, Cat. Birds B. 31. xxvii. ]). 32 (^189-'5) ; 



Shfirjje, Hand-l. i. p. 207 (1899) ; Nehrk. Kat. Eiersamml. p. 241 



(1899). 



The eggs of tlie \Vhistling .Swan do not appear to be separable 

 from those of C o/r/ims. Four specimens measure respectively: 

 3-9 by 2-.">."') : 4-11 by 2-5.5 ; 4-2 by 2-G3 ; 3-95 by 2-63. 



1. Xoith America (Smif/is. Inst.). Salvin-Godman Coll. 



1 . Andi'vson Itiver, Arctic America, Salvin-Godman Coll. 



July {IL Macfarlane: Henshmr 



Coll.). 

 1. Cambridge Baj-, Arctic America \'oy. II. M.S. ' Enterprise.' 



( Capt. CuUinson). 

 1. Arctic Coiist, east of Anderson River Crowley liequest. 



(Smiths. lust.). 



Cygnus bticcinator. Richards. 



Olor buccinator. Baird, Brewer &■ Bidr/w. JJ'titer Birds N. A?)i. i. p. 430 

 (1884): MarFarlaw, Froc. U.S. yaf. Miis. xiv. p. 42o 0891). "^ 



Cygnus buccinator, Sahadori, Cat. Birds B. M. xxvii. p. S3 (189-5) : 

 S/utrpe, Hand-l. i. p. 207 (1899) ; Nehrk. Kat. Eiersanwd. p. 241 

 (1S99). 



The eggs of the Trumpeter Swan are inseparable from those 



