1920.] of the Maroccan'' Middle- Atlas. ^' 295 



►Sylvia MELANOCEniALA -^ 



,, SARDA i-all [absent]. 



„ BBSERTICOLA J 



Tardus viscivorus deichleri Erl. (Mi.ssel-Tlirush.) 

 Coll. 2 ad. 27.4., would have laid first of 4 or 5 e, on 28.4 ; 

 2 juv. ab. 29.5. J 2 juv. ab. 1.6.; faiu. parties; S ad. 1.7. N. 



4 y. 17 d. 4.7. [R.] Com. 1. iii. u. For. Kever saw one that in 

 the field did not look nuicli palei- and greijey than British Missel- 

 Thrush. In the juvs. ab., the topside, esp. rump, is much more 

 grey-green olivaceous than are even the least " brown " Europeans 

 examined. More silent than Brit, bird both in song and alarm. 

 First juvs. ab. about 15.5. 



Tiirdus merula mauretanica Hart. (Blackbird.) 



Coll. 3 S ad. 8.5. to 8.6. ; 3 $ ad. 3.6. to 14.7. ; 7 juv. ab. 3.7. 

 to 12.7.; K. 3e. 3 d. 20.5. ; N. 1 e. d. 5.6. ; N. 2 y. 7 d. + 1 e. a. 

 5.7.; N. 2 y. 15 d. 11.7. [R.] com. 1. m. u. For. Rather late' 

 breeder, laying not till second week in May. Song very loud and 



sweet. Juv. plu. in two phases, "grey" and "brown" in 



each sex. 



Monticola solitarius solitarius (L.). (Blue Rock-Thrush.) 

 Coll. d' ad. 19.5. ? R. Com. locally, ?(0^ For. com. Timoudit, 

 but r. Azrou. 



Saxicola cenanthe seebohmi Dixon. (Seebohm's Wheatear.) 

 Coll. 3 6 ad. 24.5., 30.5. ; 4 $ ad. 22.5. to 14.6. ; 4 juv. ab. 

 29.6. ; 2 ad. + N. 5 e. 7 d. 14. 6. ; N. 4 y. 12 d. 30.5. (Plate IX. h) ; 

 juv. K. 19.6. N. 6 e. d. 25.6. ? S. abd. Plat. All 3 nests 

 under large, base-embedded stones, entrance track through 

 herbage noticeable. N. wnantlie like, chiefly rootlets, a little 

 dry grass and wool, and few feathers woven in, substantial, 

 e. unifoi-m medium blue or with 6-15 tiny rusty spots. Clutch 



5 e. av. 20"8 nnu. x 15'6 mm.; 1 e. spotted. Clutch 6 e. av. 

 21*0 mm. X 16-7 mm. ; 2 e. spotted. Habits and song much 

 I same (e/(«;j<///^ One 2 ad. laylmj e. 30.5. partial assumption 

 i of J ad. plumage, even blackish-brown throat. I^nusually fat ; 



? possible connection between fat, vigour, and J -like plu. 

 Tring has a c? ad. inclining to § ad. plu. ]\Iore .specns. and 

 study wanted here. 



