944 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [Vol.v. 



1842. Yarrell, W. [On the Trachea of Plectropterusgambensis.] <^Ann. Mag. Xat. 



HM., ix, 1842, p. 147. 

 From P. Z. S., Sept. 14, 1841. 



1843. BoxAi^uiTE, C. [L.] Ueber Querquedula angustirostritj. <^Oken's Isis, Bd 



xxxvi, 1843, pp. 403, 404. 

 AM. Riun. Sci. Ital. Firenze, 1841, p. 317. 



1844. ^V>'ON. Ngte ou a prolific Duck [180 eggs in one season]. < Zoologist, ii, 1844, 



ji. 727. 

 1844. Axon. Note on the Nidification of Swans [Cygnus sp.]. <^ Zoologist, ii, 1844, 



p. G6'J. 

 1844. Fisher, W. R. Notes on Ducks nesting in Trees. <^ Zoologist, ii, 1844, pp. 



7G7, 768. 

 1844. G[erbe], Z. [L'Oie fl'Egyiite (Anser [Chenalopex] iegyptiacu.s), une espfece 



fl(^fiTiiti vement acquise k I'omithologie europ^enne. ] <^ Bevue Zoologique, vii, 



1844, pp. 441, 442. 

 1844. GURNEY, J. H. Note on the occurrence of the Red-crested Whistling Duck 



[Fuligula rufina] in Norfolk. <^ Zoologist, ii, 1844, p. 576. 

 1844. Hardy, J. Enquiry resjiecting the manner in which the newly- hatched Wild 



Duck is conveyed to the Water. <^ Zoologist, ii, 1844, pp. 669-671. 



1844. Mansell, T. Note on the occurrence of the Scoter [Qildemia nigra] near Fam- 



ham. <[ Zoologist, ii, 1844, p. 455. 



1845. Bartlett, J. P. OccuiTeuce of the Gadwall [Chaulelasmus streperus] in Kent. 



< Zoologist, iii, 1845, pp. 1025, 1026. 



1845. Dashwood, J. M. Description of an Egg of the Common Duck [Anas boschas]. 



<^ Zoologist, iii, 1845, p. 1077. 

 1845. Fisher, W. R. Description of a New Duck. < Zoologist, iii, 1845, pp. 1137, 



1138. 

 Apparently a hybrid between the Common and White-eye^ Pochard, Fuligula ferina and 



F. nyroca. This is "Paget's Pochard," which later became Fuligula ferinoides, Bartl., P. 



Z. S., 1847, p. 48. 



1845. Frere, H. T. Occurrence of Bewick's Swan [Cj'gnus bewickii] near Somersham 



and Godmanchester. <^ Zoologist, iii, 1845, pp. 942, 943. 

 1845. Gerbe, Z. Note sur le Cygne Bewick. (Cignus [sic] Bewickii). <^ Bevue 



Zoologiqiie, viii, 1845. pp. 244-247. 

 Comparaison avec le Cygne sauvage. 



1845. Hewgill, J. Enquiry respecting a species of Duck. <^ Zoologist, iii, 1845, p. 943. 

 1845. Newmax, E. Note on Ducks «&c. nestling in Trees. <^ Zoologist, iii, 1845, pp. 

 878, 879. 



1845. NEWNHA3I, W. O. Remarkable Duck's Egg. < Zoologist, iii, 1845, p. 1077. 

 Egg in egg. 



1845. SCLATER, P. L. Occurrence of Aquatic Birds [3 spp. Anatidse] near Odiham. 

 <; Zoologist, iii, 1845, p. 1077. 



1845. Selys-Loxgchamps, E. de. Recapitulation des hybrides observ^es dans la 



famille des Anatid6es. < Bull. Acad. Brnxdles, xii, 1845, pp. 335-355. 

 Pas vue moi-meme: le titre tir6 de Cams et Engelmann. 



1846. Axox. Occurrence of the Black Swan (Cygnus atratus, Bennett), in Scotland. 



< Zoologist, iv, 1846, pp. 1501, 1.502. 



1846. Bartlett, A. D. Eiue fiir England neue Gans [Anser phoenicopus] vergUchen 

 mit andern. < Ohenh Isis, Bd. xxxix, 1846, pp. 559-560. 

 P. Z. S., vii, 1839, p. 2. 



1846. Bell, R. J. Occurrence of Steller's Western Duck [Fuligula dispar] at Filby 

 in Yorkshire. <[ Zoologist, iv, 1846, p. 1249. 



