938 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [VolV. 



1830. Yarkell, W. Reply to the Statemeut icspectiug the Discovery of Cyguus 

 Bewickii, published iu the Phil. Mag. aud Aunals for August. <^ Philos. Mag., 

 viii, Sept., 1830, pp. 167-169. 

 Personal and controversial, in self-defense against torn, eit, pp. 128-130. 

 1830. [Yarrell, W.] Sur une lunivclle espece de Cygne [bewickii] prise en Angle- 

 terra et confondiie jusqn'a prdsent avec le cygne sauvage (Anas cygnua, 

 Gm.); par W. Yarrcl[l]. . . . <^F6ru88. Bull., 2-' sect., xxii, 1830, pp. 127, 

 128. 

 From Linn. Trann., xvi, pt. ii, p. 445, pi. 



1830. Yarrell, W. Eiuc fiir die britische Fauna neue Ente [Fuligula rufina]. 



< OA('»*\s /.«s, Bd. xxiii, 1830, pp. 1065, 1066. 

 Aus d. Zool. Journ., iii, 1826. 



1831. Bennett, E. T. [Outhe History and Synonymy of Cereopsis novie-hollaudia;. ] 



< r. Z. S., i, 1831, pp. 26, 27. 



1831. Ei:mi5ECK, — . Beschreibung eiues bishc^r nicht bekannten, schr antfallend ge- 

 bildctcu deutscheii Wasservogels, nc^bst ciner vcrhaltuissuiassigeu Abbildung 

 iu halber Lebeusgrosse. <^ Oken's Isis, Bd. xxiv, 1831, pp. 299-301, pi. iii. 

 Mergns anatarius=A. elangula cT X ? Mergus albellus. See same author at 1829. 



1831. FIENNE.S, T. [Exhibition of a hybrid Duck — Anas acuta <? X ? A. boschas.] 



<2^Z. N.,i,1831,p. 158. 

 1831. Fischer, G. Sur une nouvelle espece de Canard du Kamtschatka [Anas cucul- 

 lata]. <iJ«7/. Soc. Jmj). Nat. Moscou, iii, 1831, pp. 278-280. 

 Le Canard a Capuchin, Anas cucullata, p. 279. Voyez 1834, Fischer, G. 

 1831. Less[on, R. p.] Sur le Mergus cucullatus, Selby. . . . <^Feniss. Bull., 2^ 

 sect., xxvii, 1831, p. 190. 

 Edinh. Journ. Nat. and Geogr. Sci., n. s.. No. 4, Apr., 1831, p. 238. 



1831. Less[«)N, R. p.] Note sur une nouvelle espece de Cygne [Cygnus bewickii]; 



par M. R.-R. Wiugate : In le 29 Octobre 1829. ... < Feruss. Bull, 2* sect., 



xxvi, 1831, pp. 297, 29H. 

 Trans. Nat. Hist. Soc. Northumb. and Burh., i, 1830, p. 1. 

 1831. Less[on, R. p.] Observations sur la nouvelle espece de Cygne [C. bewickii], 



dccouvcrte par M. R. Wingate; par P. -J. Selby. . . . <^Feru8s. Bull., 2« 



sect., xxvi, 1831, pp. 297, 298. 

 Trans. Nat. Hist. Hoc. Northumb. and Dttrh., i, 1830, p. 17. 

 1831. SWAiNSON, W. The Habits of the long-legged whistliug Ducks [Dendrocygna] 



of the West India Islands, aud the Habits of the Sheldrake [Tadorna cornuta]. 



< Loudon'' s Mag. Nat. Hist., iv, 1831, p. 474. 

 Merely a query. Cf. op. cit., v, 1832, p. ?03. 



1831. Yarrell, W. [On the Anatomy of Cereopsis novte-hollandi.'e, and on the rela- 

 tions between Natatores aud Grallatores. ] < P. Z. »S., i, 1831, pp. 25,26. 



1831. Y.\RRELL, W. [Remarks on the structure of Cereopsis nova;-hollandite. ] 



< Fhilos. Mag. , ix, 1831, pp. 222, 223. 

 From P. Z. S., Jan. 25, 1831, pp. 25, 26. 



1832. Allis, T. The Food of the Scoter Duck (Anas nigra Liuu., Oidemia nigra 



Flem. ; and the Food of. the Eider Duck (Anas mollissima Liu., Somateria 

 mollissima Flem. ). < Loudon's Mag. Nat. Hist. , v, 1832, p. 733. 



1832. Allis, T. Reply to T. K.'s Queries ([torn, cit.] p. 397,) on the Windpipe, Plum- 

 age, and Weight of the Dun Diver [Mergns castor]. < Loudon's Mag. Nat. 

 Hist., V, 1832, pp. 766, 767, figg. 126-128. 



1832. Anon. A Flock of Egyptian Geese [Chenalopex ajgyptiacus] seen besids the 

 Tweed at Carham. <^Loudon'>< Mag. Nat. Hist., v, 1832, pp. .565, .566. 



1832. Anon. Teal [Querquedula carolineusis]. < Loudon's Mag. Nat. Hist., v, 1832, 

 p. 473. 



