THE BIRDS OF ALGERIA, 51 



(Ruppell), is a resident in Algeria, widely yet locally 

 distributed over the desert plains. 



220. The Thick-billed Lark Rhamplwcorys clot- 

 bey (Bonaparte), is supposed to be a resident in the 

 deserts south of the Atlas. Canon Tristram only 

 met with it on the mountains to the south of El 

 Aghouat. 



221. The Calandra Lark Melanocorypha calandra 

 (Linnaeus), is a resident in Algeria, principally it" 

 not entirely confined to the cultivated districts, 

 especially of the Hauts Plateaux. Canon Tristram 

 did not observe this species in the extreme south. 



222. The Short-toed Lark Calandrella brachy- 

 dactyla (Leisler), is a resident in Algeria, but its 

 numbers are increased in autumn and winter by 

 migrants from Europe. It would appear to be 

 subject to some local or internal migration, from 

 the Tell region to the desert, for Taczanovvski states 

 that it arrived at Biskra in March. Canon Tristram 

 met with it on the Hauts Plateaux. 



223. The Lesser Short-toed Lark Colandrella 

 minor (Cabanis), is a small rufous form of C. p/spa- 

 letta, confined to North Africa, Palestine, and Asia 

 Minor. It is a resident in Algeria, and said by 

 Taczanowski to be very common in the de>ert. 



224. The Desert Lark Ammomanes deserti (Lich- 



