( S2) 



more. At Seliscb these birds were sinying lustily on May 26, apjiarently abont to 

 make a second brood. Uii June 0, at El-Aricb, about liall' a dozen nests were found 

 with naked or hulf-featliered young, either three or four in numlier. One nest con- 

 tained two naked nestlings and two eggs ; and a nest with four rotten eggs, covered 

 with sand, was foimd north of El-Golea. Five of the eggs could be blown and saved. 

 They were rather finely spotted, and not so greenish as those foun<l in I'.iOy (I. c), and 

 measure Ifi-^ x 12-3, 10 x l,!-(i, l.j-4 x IL':^, 10 x l:.'-5, and 151 x lU-j mm. 



40. "Sylvia cantillans inoruata Tscli. 

 Cf. \uc. Z'liil. xviii. |i. 5nx. 



Migrating through the central Sahara in April, in small numbers. Jlales were 

 collected in the (Jucd Mya on April 8 and as late as May 1, also at lu-Salah on 

 Ain-n 18. 



47. "Sylvia cantillaus albistriata J'>rehm). 



Cf. Niic. Zunl. xviii. p. hW. 



Migrating through the rSaliara in Marcli and eaily April : near (Juargia 

 in. iii., El-Golea ~'4. iii., 00 km. south of El-Golea, l.iv., and a female, which 1 

 believe to belong to this form, in the Oued Sarct, 4. iv., I'.tlU'. 



48. *Sylvia deserticola Tristr. 



Ct. .Vol.'. Ziiul. xviii. p. .oOfl. 



One male Tamerna (north of Touggourt;, :iO. ii., one male .Vretidji, north of 

 Ouargla, 7. iii. The one from Tamerna had wings, tail and body jilumage in full 

 moult. The other had only a few of tlie body-iiluuies still moulting. 



49. Sylvia conspicillata conspicillata Temm. 



Cf. A'oii. Zittd. xviii. p. ."jO'.l. 



S ad. Kef-el-Dor, south of Uiskra, '-ti. ii. The testicles were already swollen, 

 and the bird would ]irobably have nested on the spot. 



ftii. Agrobates galactotes galactotes (Temm.j. 



Cf. Nvi\ Zool. xviii. p. 510. 



End of April several times in the southernmost bend of the Oued Mya, 

 apparently still on passage. 



Middle of May common in the gardens of El-Golca, lustily singing and 

 jiossibly nesting, though we could not find a nest, not even an old one. 



Very common near the llassi Hebib in the Oued N^a, east of Ghardaia. The 

 song is very powerful and jilcasant. Nesting in the thick, almost inijienetrable 

 Zizyphns-bushes, where several emj)ty nests and one with naked young were found 

 on June 3. 



51. Scotocerca inquieta saharae (Loclie). 



Cf. Noe. Zool. xviii. p. 5H». 



Noticed near Kef-el-Dor, south of Biskra, between Tonggourt and 0\iargla, 

 and from El-Arich to Bledet-Ahmar, in sandy and clayey step])e with Limoniastrum 

 and other thick bushes. 



A nest with four fresh eggs was fouud at Arefidji, March 7, in a bush of 



