606 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [Voiy. 



1869. Bahtholf, J. H. Is the Crow [Corvus americauus] a Bird of Prey? <4m. 

 Nat., u, 1869, p. 664. 

 Other (cf. torn, cit, 491) instances of the crow seizing and carrying off chickens, lilie a hawk. 



1869. Brewek, T. M. [Eemarks on exMbition of four unspotted eggs of Corvus ameri- 

 cauus. ] <^ Proc. Boston Sac. Nat. Hist., xiii, 1»69, pp. 138, 139. 



1869. Rathvon, S. S. Tlie Crow [Corvus americauus] a Bird of Prey. <^Am. Nut., 



in, 1869, pp. 102, 103. 

 The raptorial propensities of Corvus americanvs conflnued. 



1870. Brewkr,T. M. Tlie Blue Jay Family. <^^/rt«<(ci)/o»iW7/, Apr., 1870, pp. 480-485. 



1870. Hamel, E. D. Cream-coloured Magpie. <^Zoologist, 2d ser., v, 1870, p. 2344. 



1871. COUES, E. The Long-crested Jay [Cyannrus macroloplius]. <^Am. Nat., v, 



1871, pp. 770-77.5, fig. 134. 

 Extended biography of Oyanurus niaerolophus. 

 1871. HORNE, C. [Destruction of young lambs by] Magpies. <l Zoologist, 2d ser., vi, 

 1871, pp. 2483, 2484. 



1871. LiJiiDER, W. Uiiber die Rabeu Neu-Vorpommerns uud Riigens. <^ Mitth. a. d, 



nattinv. Fer. v. Neu-Vorp. u. Rilg., iii, 1871, pp. 40-52. 

 9 spp. 



1872. CouES, E. Observations ou Picicorvus columbianus. <^IMs, 3d ser., ii, 1872, 



pp. 52-59. 

 Extended biographical sketch ; synonymy, etc. 

 1872. CoUES, E. Contribution to the History of the Blue Crow [Gymnokitta cyano- 

 cephala] of America. <[ Ihis, ii^, 1872, pp. 152-158. 

 Synonymy, description, and biography. 



1872. Friedel, E. Krahen als Nussdiebe. <^Zool. Gart., xiii, 1872, p. 94. 



1873. Allen, J. A. Crows and Ravens. < Am. Nat., -vii, 1873, pp. 743, 744. 



On the local distribution of Corvus corax and C. americanus, with reference to torn. cit. , p. 693. 

 1873. Barrett, M. On the Migration of Certain Animals as Influenced by Civiliza- 

 tion. < Ani. Nat., vii, 1873, pp. 693-695. 

 Chiefly on the local dispersion of Corvus corax and C. americanus. 

 1873. Barrett, M. On the Migration of Certain Animals as influenced by Civiliza- 

 ■tion. <^ Am. Sjyortsman, iii, lb73, p. 86. 



Disappearance of Corv^is corax from Minnesota, and immigration of O. americanus. 



1873. GizYCKi, G. V. Biographic meiner Elster. <iJ.f. 0., 1873, pp. 35-45. 



1873. [Salvin, O.] [Reference to the original notice of the Genus Cyauocephalus 



Bp.] </&is, 3d ser., iii, 1873, p. 103. 



Bonaparte proposed the genus Cyanocephalus in 1842, in his Oss. Stat. Zool. Eur. Vert. 1840- 

 41, p. 17 ; and named the species by implication, C. wiedi ; but the word ' ' tvicdi " docs not actu- 

 ally occur there. I have verified Mr. Salvin's reference. k 



1874. Anon. [Editorial.] Possibly a new bird from Oregon. < Forest and Stream, 



iii, Sept. 10, 1874, p. 68. 

 Concluded to bo Picicorvus columbiaaus ; see ibid., p. 84. 

 1874. Dubois, A. Remarques Morphologiques sur les Espfeces du Sous-genre Xan- 



thoura. <^ Bull. Acad. Hoy. de Belgique, 2^ s^r, xxxviii, 1874, pp. , fig. 



(carte). 



L'auteur constate que ce sous-genre nctomprondreelleuicntqu'uue seulc cspccc, trds- varia- 

 ble suiviint la position geographique (lu'occupcut les iudividus qui la composeut, de la mani- 

 ero suivimto: djanocorax yncas, Bolivie, ff'6rou, rcpub. do I'fiquatour; a, cyanodorsalis (var. 

 n.), Xoavellc-Grcnada ceutrale et meridionalo; p, cyanoeapilla, nord do la Nouv.-Grenade 

 jusqu'au Guatemala; 7, cairulcoccpliala (var. n.), V6n6/,uela; 5, luxiiosa, Mcxique, Texas. 



1874. Kerr, W. J. Ravens [Corvus corax] Nesting in North Wales. <C_ Zoologist, 2(1 

 ser.,ix, 1874, p. 4156. 



1874. Lee, A., Miss. Jim Cn)\v. < .S/. Nicholas May., i, 1874, pp. 647-649, ligs. 1-9. 

 Amusing account of a pet Corvus americanus. 



