940 BULLETIN UNITED STATES GEOLOGICAL SUEVEY. ITolY. 



1833. ''W. L." [Habits of] Cygnus Bewickii, <C Loudon's Mag. Nat. Hist, vi, 1833, 



pp. 449, 450. 

 1833. Wright, M. v. lakttagelser ofver Grasandlianiieiis [Auas boschas] fiirgfor- 

 andringar i forsta S.ret. <[ Tidsk.f, Jdgare o. Naturf., ii, 1833, pp. 473, 474. 

 ISTot seen. 

 1833. Weight, W. v. Grasandens (Anas boschas) sommardragt. <^ TidsTc.f. Jdgare o. 

 Naiurf. , ii, 1833, pp. 674-676. 

 Not seen. 



1833. Yarrell, W. [On the trachea of Anas [Chloephaga] magellanica. ] <^P.Z. 



S., i, 1833, pp. 3, 4. 



1834. Anon. Ducks with the Toes not connected by a Web or Membrane, and the Up- 



per Mandible imperfect : presumed to have proceeded from a Union between 



the Domestic Duck [Anas boschas] and Domestic Fowl. <^Loudon'8 Mag. Nat. 



Hist., vii, 1834, pp. 516, 517. 

 1834. Breton, — . [On the Habits of the Musk Duck of New Holland (Hydrobates 



[Biziura] lobatus, Temm.).] < P. Z. S., ii, 1834, p. 19. 

 1834. Eestrom, C. U. Bidrag till Ejder-fogelns [Somateria mollissima] historia. 



< Tidsk. f. Jdgare o. Naturf., iii, 1834, pp. 1043-1045. 

 Not seen. 



1834. Eksteom, C. U. Knipans (Anas Clangula Lin. [Clangula glaucium] fargforan- 

 dring. <^ Tidsk. f. Jdgare o. Naturf., iii, 1834, pp. 1048-1051. 



Not seen. 



1834. Fischer, G. Anas cucuUata nova species Camtschatica. <^ Nouv. Mem. Soc. 

 Imp. Nat. Moscou, iii, 1834, pp. 109-112, pi. ix. 

 Descr. orig. Bull. Soc. Imp. Nat. Mosc, iii, 1831, pp. 278-280. 

 1834. Fries, B. F. Al-fogelns [Harelda glacialis] ruggning om varen. <^ Tidsk. f, 

 Jdgare o. Naturf., iii, 1834, pp. 1045-1048. 

 Not seen. 



1834. Lafresnaye, F. de. Oie. Anas. Linn6. O. de Gamble. A. Gambensis, Linn., 

 Lath. <^ Guer. Mag. de Zool., 4^ ann6e, 1834, classe ii, notices xxix, xxx, pll. 

 xxix, xxx. 



1834. Langman, a. Forsok attuppfoda och tamja en Ejderunge [Somateria mollis- 

 sima]. < Tidsk. f. Jdgare o. Naturf, iii, 1834, pp. 883-885. 

 Not seen. 



1834. L5EFLER, H. Ueber die wilden Schwane. Mit Nachwort von K. E. v. Baer. 

 <^Preuss. Provinzialbl., xi, 1834, pp. 131-142. 

 Mir nicht zugangHch. 



1834. Marshall, J. D. On the Green-winged Teals of America and Britain [Quer- 

 quedula carolinensis and Q. crecca]. <^ Loudon's Mag. Nat. Hist., vii, 1834, 

 pp. 7-9, figg. 1, 2. 



1834. Stanley, Lord. [Letter on the Breeding of the Sandwich Island Goose (Ber- 

 nicla sandvicensis, Vig.).] <P. Z. S., ii, 1834, pp. 41-43. 



1834. Stanley, Loi-d. [Note on a specimen of the Bernicla sandvicensis, Vig., 

 hatched at Knowsley.] < Lond. and Edinb. PUlos. Mag., v, 1834, pp. 233-235, 



Prom P. Z. S., May 27, 1834, pp. 41-43. 



1834. "W. B. C." A Ferruginous Duck or Euddy Goose (Anas [Tadoma] rutila). 

 <^ Loudon's Mag. Nat. Hist., vii, 1834, p. 151. 

 Shot on the coast of Suffolk. 



1834. Yarrell, [W.] Charactere von Cygnus bewickii einer [kiirzlich] neuen Gat- 

 tung. < Oken's Ms, Bd. xxvii, 1834, p. 803. 

 Auszug aus d. Philos. Mag., Bd. vii, 1830, p. 194. 

 1834. Yarrell, [W.] Der Leib von Cereopsis novae Hollandiae [u. s.w.]. <^0ken'8 

 Ms, Bd. xxvii, 1834, p. 817. 

 Auszug aus d. Philos. Mag., Bd. ix, 1831, p. 222. 



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