No.i.] COUES's ORNITH. BIBLIOGRAPHY CORVIDiE. 605 



186'). Axon. Grosse Antipathie des Rabeu [Corvns corax] gegeu den Habicni. <[ Aits. 

 ■ der Xatur., xxxi oder xix, 1865, p. 1860. 



1865. DUTTOX, J. Destructive Propensities of the Raven [Corvns corax]. <^ Zoolo- 

 gist, xxiii, pp. 9562, 9563. 



1865. G015YXARI, — . Ein alter Rabe [Corvns corax]. <^Zool. Gart, vi, 1865, p. 278. 



1865. Rey, E. [Zucht der Elstervogei (Pica melanoleuca). ] <^Zool. Gart, vi, 1865, 



l»p. 187-189. 



1866. DuiTOX, J. Raven [Corvns corax] Nesting in a Cncnmber-frame. <^ Zoolo- 



gist, 2d ser., i, 1866, p. 32. 



1866. Mathew, M. a. An ancient Raven [Corvns corax]. <^ Zoologist, 2d ser., i, 



1866, ].. 270. 



1866. Noi.i.. .1. F. Ein getsinschter Rabe. <iZool. Gart., vii, 1866, p. 39. 



1866. AViLLEMOES-SuHM, R. V. BriitendeEl.steralbinos[Picacaudata]. <^Zooh Gart., 



vi, 1.^66, pp. 76,77. 



1867. Beckwith, R. G. Magpie with Yellow Beak. <^Zoologist, 2d ser., ii, 1867, pp. 



826, 827. 

 Supposes the bird's bill colored with yolk of egg. 

 1867. Harvie-Browx, J. A. Magpie with a Yellow Beak. <^Zoologist, 2d ser., ii, 



1867, pp. 877,878. 



Fears no satisfactory conclusion can be reached. 

 1867. Hakvie-Brown, J. A. Magpie with a Yellow Beak. < Zoologist, 2d ser., ii, 

 1867, pp. 706, 707. 



A liviuii' bird of this kind ol)seivt'(l in Scotland. Very interesting, in its bearing on Pica 

 nuttalli. 



1867. Mathew, G. F. Magpie with Yellow Beak. < Zoologist, 2d ser., ii, 1867, p. 1016. 



Another case, — a similar bird observed in Devonshire. 

 1867. Newtox, a. Magpie Avith a Yellow Beak. <^Zoologist, 2d ser., ii, 1867, p. 757. 



Makes the obvious conipai'ison with Pica nuttalli. Tlie editor, E. Xewnian, siipposes the 

 bird to be Pica nuttalli. 



1867. Newtox, A. Magpie with a Yellow Beak. <^ Zoologist, 2d ser., ii, 1867, p. 913. 

 Pertinent observation: ''Causes which in America have produced a permanent race of 

 magpies having yellow bills may in Europe have produced a single example having the same 

 peculiarity.' 



1867. Schlegel, H. Coraces. < Miis. Hist. Nal. Fays-Bas, 9« livr., 1867, pp. 1-1.50. 



"La famille des Coraces comprend les sous-families des Co7-vi. Paradiseie et Coracia'." (!) 

 " The author in this portion of his Catalogue groups together a most heterogeneous assem- 

 blage of birds. Corvidce, Paradiseidce, Oriolidce, Stumidce, but worst of all, Coraciidce, so that 

 it is almost impossible to give hero a clear account of them. The Corvida;. in which we 

 include the author's genera Corvus, Nricifraga, Pica, Gyanocorax, Picatfiartes, Pyrrhocorax, 

 Garrulim, Cissa. Glaucopis, Chalybwiis, Cracticus, and Lycorax, .ippeai- to be represented in 

 the Leyden Museum by 685 mounted specimens belonging to 116 species . . . ' (Zool. Rec. 

 1867, p. 112.) Cf. Ibis, 1867, p. 111. 



1868. DUTTOX, J. Rook with a crossed Beak. < Zoologist, 2d ser., iii, 1868, p. 1459. 

 1868. EXDICOTT, W. E. Remarkable flight of Crows [Corvns anicricanns]. <^Am. 



^'at., ii. 1868, p. 381. 



Nearly 100,000, estimated, passing over a point in Maryland, U. S., between 4 and 6 p. m., 

 in April. 



1868. Hoxie, W. [Extract from a letter containing observations on the habits of^ 

 Cyauurus cristatus.] <^Proc. Boston Soc. Xat. Hist., xi, 1868, p. 284. 



1868. Naumax, C. H. Is the Crow [Corvns americanns] a Bird of Prey? < J«i. Xat., 



ii, 1868, p. 491. 

 Cf. torn, dt., 664. Note of a crow seizing and carrying off a chicken, more accifjitrino. 



1869. Axox. La Corneille [Corvus americanns] est-elle nnoiseau dc proie? <:^Xatu- 



raliste Canadien, i, 1869, p. 194. 

 Affirmd. 



