in the Eastern Atlas. 305 



its course may be ti'aced by the shaking of the reeds as it springs 

 from one to another. The peculiar nest of this species — a 

 beautifully-compact structure composed entirely of dead flag — 

 is artfully concealed in the thickest parts ; and at Zana it can 

 only be found by wading in mud and water up to the middle, 

 and even then it is quite a chance to find one. The eggs from 

 this locality are decidedly smaller than English and Dutch 

 specimens. 



32. Calamodyta cettii. (Cetti's Warbler.) 



On one or two occasions, among the tamarisk-trees on the 

 banks of the Chemora, I caught a momentary ghmpse of a bird 

 of this species — not more than was sufficient to recognize it. It 

 appears to be shy, and not common in the Eastern Atlas. 



33. Calamodyta aquatica. (Aquatic Warbler.) 



At the head of the little marsh of Am Djendeli I more than 

 once observed a pair of this Warbler. We afterwards found it 

 more abundant at Zana, where it was breeding. In its habits 

 it much resembles the common Reed Warbler (C arundinacea) ; 

 the eggs also are similar. 



34. Calamoherpe turdoides. (Thrush-like Warbler.) 

 The commonest species of the Sylviints in the marsh of Zana, 



where its incessant note, day and night, assails one's ears. It 

 breeds abundantly am.ongst the taller reeds. 



35. Pyrophthalma melanocephala. (Sardinian Warbler.) 

 This is one of the most striking of the smaller species in 



North Africa. About Tunis and elsewhere in the Regency it is 

 common, and extends along the ridge of the Atlas to Souk 

 Harras, where we lost sight of it on entering the less wooded 

 and more sterile portions of the mountain chain. 



36. Sylvia cinerea. (Whitethroat.) 



Observed during the first week in April between the foot of 

 the rock of Djebel Dekma and the river Medjerda. 



37. Sylvia conspicillata. (Spectacled Warbler.) 



A true inhabitant of the Salt Lake districts, where it is found 

 abundantly, frequenting the low shrubs that cover the uncul- 

 tivated portions of that region. It is a shy and wary bird, and 



