462 Mr. N. D. Riley on 



" Specimens taken before June 25th and all those 

 labelled ' Tingri ' came from open stony plains at an 

 altitude of between 13,000 and 15,000 ft. \Veather 

 bright and rainless. Vegetation very scanty. Dwarf 

 plants only foimd. 



" ' Ronghuh Glacier ' and ' East Rongbuk Glacier.' On 

 the north side of Everest; rounded stony mountains bare 

 of snow up to about 19,000 ft. in July. Vegetation very 

 sparse. Fog and snovf in latter part of month. 



" ' Thing La.' Similar to Rongbuk. 



" ' Nyenyam,'' ' Lapcki ' and ' EongsJiar.' Between 

 12,000 ft. and 13,000 ft., west of Mt. Everest. These 

 places are in the upper parts of deep gorges which cut 

 through the main range of the Himalaya, and are within 

 a mile or two of the upper limit of subtropical vegetation 

 of a Nepalese character. 



" ' Khar t a ' is similar to ' Nyenyam,' etc., and is sitiiated 

 about twenty-four miles due east of Mt. E^^erest. Vege- 

 tation partly Tibetan, partly subtropical, in character. 

 Weather mostly wet in August and September," — A. F. R. 



WOLLASTON. 



PAPILIONIDAE. 



1. Papilio machaon sikkimensis Moore. 



1903. Papilio sikkimensis Moore, Lep. Tnd., vi, p. 44. 

 1907. P. machaon race sikkimensis Ring., Fauna Br. Ind, 



Butt., ii, p. 36. 

 1909. P. machaon sikkimensis Jordan, in Seitz Macro-Lep., 



ix, p. 47. 

 1912. P. machaon sikkimensis Evans, List Ind. Butt., 



Journ. Bombay N. H. Soc, xxi, p. 971. 

 Tibet Road, between Gautsa and Phari, 13,500 ft., 

 29/5/21 {Bullock). 



1 (j^, 1 $, both very battered. 



2. Parnassius acco gemmifer Friihst. 



1901. Tadumia acco Moore, I.e., v, p. 116. (part). 

 1907. Parnassius acco Bing., I.e., ii, p. 129. (part). 

 1909. P. acco gemmifer Friihst., in Seitz, ix, p. 110. 

 1912. P. {Tadumia) acco gemmifer Evans, I.e., p. 974. 



1 ^, above Rongbuk Glacier, 17,400 ft., 6/7/21 {Bidlock). 



2 J, 6 9, Thung La, 16,000 ft., 14/7/21 {Wollaston). 

 4 (S, 2 ?, Thung La, 14,000 ft., 15/7/21 {Wollaston). 



