11. SAXICOLA. 391 



24. Saxicola sennaarensis. 



This is another of M. Eotla's discoveries which has cpcapcd the 

 attention of ornithologists in the Museum of tlie Jardin dca 

 Plantes. It differs from its 8outh-African ally in heing a larger 

 bird and sliglitly darker in colour. The most marked dilfereucc is 

 in the distribution of the colours on the feathers of the tail : the 

 dark brown on the two centre feathers is much less developed, only 

 extending to the terminal half, whilst the dark brown ou the re- 

 maining feathers is much more developed, extending for more than 

 half an inch. Bill, legs, feet, and claws black. Wings with the 

 third and fourth primaries nearly equal and longest, second primary 

 intermediate in length between the fifth and sixth, bastard primary 

 0-8 inch. Length of wing 3-7 inches, tail 2-47, culmen 0-7, tarsus 1-0. 



Nothing is known of the difference which may be attributable 

 to age, sc.r, or season. 



The only example known of the Sennaar Familiar Chat is the 

 type, from which the above description is taken, in the Museum 

 of tlie Jardin des Plantes in Paris, which was obtained by M. Botta 

 in ISennaar in 1839. 



25. Saxicola cenanthe. 



Le Cul-blanc, ou Vitrec, ou Motteux, Briss. Orn. iii. p. 449 (17G0). 

 Le Cul-blanc gi-iB, Bris^. Orn. iii. p. 4-5:? (17C0). 

 Le Cul-blanc cendie, Briss. Orn. iii. p. 454 (17G0). 

 Motacilla cenanthe, Linn. Si/.sf. X,if. i. p.3.32 (17G6) ; Tunsiall, Orn. 

 Brit. p. 2 (1771) ; Gnwl." Stjfit. Nat. i. p. 9G6 (1788); Bechst. Na- 

 turg. Deutschl. iv. p. G40 (1795). 

 IjC Jlotteux, anciennement Vitrec, vulgairement Cid-blanc, Buff. 



Hist. Nat. Ois. v. p. 2;)7 (1778). 

 Le Motteux de Senegal, Buff. Hist. Nat. Ois. v. p. 249 (1778). 

 Le Vitrec, ou Motteux, Daubent. PI. Enl. no. 5.j4 (1778) 

 Cul-blauc du Senegal, Dauhent. PL Enl. no. 58:3. tig. 2 (1778). 

 "VVheatear, Lath. Gen. Si/n. ii. pt. 2, p. 4Go (1783). 

 Rufous Wheatear, Lath. Gen. Syn. ii. pt. 2, p. 469 (178-3). 

 Sylvia cenanthe (Linn.), Lath. Gen. ,S>/n. Suppl. i. p. 288 (1787); 



Lath. Lnd. Orn. p. 529 (1790) ; Temm. Man. cTOrn. p. 135 (1815) ; 



Forster, Syn. Cat. Brit. B. p. 15 (1817). 

 Blotacilla leiicorhoa, GmeL Syst. Nat. i. p. 966 (1788, c.v Buff.). 

 Sylvia leucorhoa ( GmeL), Lath. Lnd. Orn. p. 531 (1790). 

 Saxicola cenantlie {Linn.), Bechst. Orn. Taschtnh. i. p. 217 (1802) ; 

 • Wolf, Tasehenb. i. p. 251 b (1810) ; Koch, Si/.ft. baier. Zoul. i. 



p. 11)0 (Isl6); Mcnetr. Cat. Rats. Cauc. p. 30 (1832); Biipp. 



Neue Wirb., Vdy. p. 79 (1835); Gould, B. Eur. ii. pi. xe. (18.37) ; 



Iteys. u. Bias. Wirb. Eur. pp. lix, 192 (1840) ; Nurdin. Demid. 



Voy. Lillys, mcrid. iii. p. 130 (1840); Biipp. Si/.st. Uebers. p. 58 



(184.5); Gray, Gen. B. i. p. 178 (1846) ; Deyl. Orn. Eur. i. p. 482 



(1849); Bp. Cons]7. i. p. .303 (1>50)'; Cab. 3Lts. Llein. ^ p. 9 



(1850); Middend. Bcis. Sibir. Zool. ii. pt. 2, p. 174 (1853); 



Heuyl. Sijst. Uebers. p. 20 (1850); Sund. Sv. Fuql. p. 54 (1856); 



Ilurtl. Orn. W.-Afr. \^. 64 (1857) ; Jaub. et Barth.-Lapomm. Rich. 



Orn. p. 222 (1859); Linderm. Viir/. Gricchenl. p. llO(lSOO); 



Newt. List B. Eur. Blasius, p. 10 (1*802) ; Gould, B. Gt. Br. ii. 



pi. Ixv. (1802); Newton, Bariny-Goulifs Iceland, p. 409 (186.3); 



