Ornltlioloyy of Corsica. '331 



44. Sitta canadensis wJuteheadi Sharpe. 



45. Parus ynnjor corsus Kleiuscbin. S 



46. P. ccsrukus ogliastrce H.irt. S 



47. P. afer sardus Ivleinsclim. ? (S ?) 



48. ALgithnlus eaudatus tyrrhenicus Parr. 



49. Peguhts regulus mtemi Hart. S 



50. P. ignicapillus ininor Parr. S ? 



51. Lanius senator hadius Hartl. S 



52. L. coUurio jourdaini Parr. S 



53. Muscicapa striata tyrrheyiica Schieb. S ? 

 66. Sylvia atricapiUa 2)atdiiccii Arrig. ? S 

 73. S. sarda affinis Parr. ? S 

 76. Turdtis viscivorus reiseri Schieb. S ? 

 80 a. T. nierula schiebeli Tsch. S ? 

 84. Prafincola torquatus insuJaris Parr. S ? 

 87. Luscinia mcgarhynclia corsa Parr. S ? 



89. Dandalvs rubectda sardus (Kleinschm.). S 



90. Prunella collaris tschusii Schieb. ? 



92. Troglodytes troglodytes koenigi Schieb. S ? 



98. Cinclus cinrlus sapsworthi Arrig. S 



105. Dendrocopus major 2~><^irroti Raxt. (S) 



106. lynx torquilla tsehusii Kleinschm. S 



107. Cuculus canorus Meinschmidti Schieb. ? S ? 



111. Otus scops tschusii (Schieb.) ? S ? 



112. Tyto alba ernesti (Kleinschm.) ? S 

 119. Buteo bideo arrigonii Picch'i. S 



126. A stur gentilis arrigonii Kleinsciini, S 



127. A. nisus wolterstorji ( Kleinschm.). S 

 227. Caccabis rufa corsa Parr. 



With the single exception of fiitta canadensis whiteheadi, 

 all these birds belong to well-known European species, 

 and it is very noticeable that a large proportion of them 

 shew a tendency to a darker and dingier type of colouring 

 than the corresponding Continental forms. A conspicuous 

 exception is, however^ the extremely white-breasted form of 

 Barn-Owl, but this is united by Hartert to the British and 

 West-European race. It isj of course, a well-known fact that 

 many insular forms shew this tendency to darker colouring, 

 but in the case of Corsican birds it is nearly always accom- 

 panied by smaller measurements and decidedly shorter wings. 

 This might, perhaps, be expected in birds of sedentary 

 habits, confined to an island of so small an area, but it is 



SICR. IX. VOL. VI. 2 a. 



