496 



6 



wing-formula is different. Out of at least a hundred skins of P. trochilus which Seebohm has 

 examined, he has always found the second primary intermediate in length between the fifth and 

 sixth ; in the bird in question the second primary is intermediate between the sixth and seventh." 

 Canon Tristram (I. c.) was the first to describe this form as distinct, having obtained it from the 

 coast qf the Mediterranean ; and one was shot by Mr. Gaetke iu Heligoland. 



In concluding the present article, I may mention that, although (as above stated) many 

 observers say that the Willow-Wren winters in Southern Europe and North Africa, I have failed 

 to obtain a single specimen killed north of the Atlas range in the winter season. 



The specimens figured are adult British birds in early summer and late autumn dress. 



In the preparation of the above article I have, besides the large series in the collection of 

 Mr. Seebohm, examined the following specimens : — 



E Mus. H. E. Dresser. 



a, b, d ■ Hampstead, April 20th, 1870. c, d, e. Hampstead, May 7th and 8th, 1870 (Davy), f, d ■ Purley, 

 near Reading, May 4th, 1870 (R. B. Sharpe). g. Pagham, Sussex, July 1870 (R. B. S.). h, i,d , d juv. 

 Altenkirclien, near Coblenz, April 7th, 1876, and June 3rd, 1877 (Sachse). j, k, I, d , m, 2 , n. Piedmont, 

 September 1869, April 3rd, 1870, April 29th, 1870 (Salvador}), o, 6 , p, 2. Christiania, May 18th and 

 June 10th, 1874 (Cotlett). q, r, d. Skanc, Sweden, May 20th, 1869, and April 29th, 1875. s, djuv. 

 Nerike, Sweden, August 30th, 1875 (Meves). t, d . Maslak, Turkey, October 8th, 1871. u, v, d , w, 2 . 

 Ortakeuy, Turkey, April 20th, 18G9, October 22iid, 1870, October 13th, 1871 (T. Robson). x, d. Mezen, 

 N. Russia, June 16th, 1873 (Piottuch). y. Tangier ( Olcese) . 



