GENERAL HABITS AND TRAITS OF SWALLOWS 401 



1850. CuRTLEH, M. [Albinotic] Variety of the Swallow (Hirundo rustica). 



< Zoologist, viii. 1850, p. 2700. 



1855. DouBLEDAY, H. White Swallow. <[ Zoologist, xiii, 1855, p. 4871. 



1855. HussEY, A. A White Swallow obtained in East Kent. <^ Zoologist, 

 xi.i. 1855,p.4559. 



1863. Saville, S. P. Slate-coloured Variety of the Chimney Swallow. 



< Zoologist, xxi. 1863, p. 8824. 



1864. Anon. Weisse Schwalben. < Zool. Gart. v. 1864, p. 269. 

 1864. Anon. A White Swallow. < Zoologist, xxii. 1864, p. 8887. 



1864. BouLTON.W. W. White Swallow (Hirundo rustica) near Beverley. 



< Zoologist, xxi. 1863, p. 8825. 



1866. Clogg, S. White Martin. < Zoologist, 2d ser. i. 1866, p. 33. 



1866. Watkins, C. White Swallows. < Zoologist, 2d ser. 1. 1866, pp. 455, 



456. 



1867. Hesse, B. Creamcoloured Sand Martin. Ki Zoologist, 2il ser. ii. 1867, 



p. 561. 



1868. Cornalia, E. Sopra due casi di Albinismo negli Uccelli. <[ Atti 



della Soc. Ital. di Sc. Nat. x. pp. 449-458. 

 Not seen— title from Zool. Kec. Passer montanus and Chelidon urbica. 



1868. Smith, C. Curious Variety of the House Martin. <; Zoologist, 2d ser. 



iii. 1868, p. 1058. 



1869. Barrington, R. M. Albino Sand Martin. < Zoologist, 2d ser. iv. 



Iri69,pp. 1847, 1848. 



1870. Aticinson, F. P. Albino Barn Swallow [Hirundo horreorum J. < Am. 



Nal. iv. 1870, p. 127. 



1871. BitooKE, A. B. White Sand Martin. <^Zoologist, 2d ser. vi. 1871, p. 



2440. 



1871. Walsh, W.H. White House Martin. ^Zoologist, 2d ser. vi. 1871,p. 



2806. 



1872. Whitaker, J.j^'an. White Swallow. <l Zoologist, 26. ser. vii. 1872, p. 



3314. 



1874. Whitaker, J. White Swallow in Nottinghamshire. <^ Zoologist, 

 2d ser. ix. 1874, pp. 4238, 4239. 



General Habits and Traits of Swallo^cs 



Having already spoken at some leogth of the two most 

 noticeable points in the economy of Swallows — their migra- 

 tions and their architecture — I may continue with some of the 

 other habits which birds of this family possess in common ; for 

 the group is so homogeneous that much of the material we have 

 acquired for separate biographies of the species furnishes the 

 occasion for remarks applicable to all. 

 20 B c 



