Letters, Extracts, and Notes. 
573 
proportion of these take the British East African route, 
where Mr. Percival assures us that migrants, especially 
Waders, are abundant in October and March. 
79. Salvadori on a new Albatross. 
[T. Salvadori. Specie apparentemente nuova del genere Thalasso- 
geron. Boll. Mus. Zool. ed Anatomia comp. Univ. Torino, xxxvi. 
No. 638.] 
Count Salvadori bases his new Albatross {Thalassogeron 
desolationis) on a specimen in the Turin Museum obtained 
at Desolation Island in the Magellan Straits, near the Pacific 
entrance. It is most nearly allied to T. culminatus. 
80. Thayer and Bangs on new Birds from China. 
[Descriptions of new Birds from Central China. By J ohn E. Thayer 
and Outram Bangs. Bull. Mus. Comp. Zool. vol. lii. no. 8.] 
From a collection of 3000 skins made by Mr. W. B. 
Zappey in the Province of Hupeh, Central China, the 
following are described as new :— Callocalia fusciphaga 
(qu. fnciphaga ?) capnitis , C. inopina, Tardus cardis lateus , 
Parus major artatus , Nucifraga hemispila macella, Cyornis 
tickellia glaucicomans, Niltava lychnis , and Cyanoptila 
cumatilis . 
XXIV.— Letters , Extracts, and Notes. 
We have received the following letters addressed to the 
Editors :— 
Sirs, —You will be glad to hear that the magnificent 
collection of African birds formed by the late Mr. Boyd 
Alexander during his travels, and bequeathed by him to the 
Natural History Museum, has now been handed over to 
that Institution by his brother, Mr. Robert Alexander, as 
executor. 
It includes the collections formed during his expeditions 
