18 Nr. 2. €. H. OSTENFELD and C. SYRACH LARSEN: 
(No. 903) found it in 1908 north-east of Ta-tsien-lu at an 
altitude of 3300—4800 m. above sea-level, and no higher- 
lying locality has as yet been reported. 
ce: 1: 3.000.000. 
ny 
Map. II. 
© ---— Larix Polanini, Batalin 
.——; >: Fe Mastersiana ,Rehd. 8 Wils. 
The first material was discovered by ARMAND DAVID 
at Shensi, and was described by FRANCHET in 1884 as 
