ROTATORIA 155 



K 26. Suiidar Khun, altitude 1582 m. 



A small lake flowing into the swamps in which lie the two Dal Lakes. Max. depth 

 5 m. Potaiiiogcton luceiis, P. pcctinatus, Ceratophyllitm demersum and charophytes, 

 the whole floor of the lake being carpeted with vegetation. Surface temp. 19.4, 

 pH 8.5. 2 May, 1932. 



K 35. Phashakuri, near Pampur, altitude c. 1585 m. 



A very large swamp in which the dominant plants are Potatiwgeton crispus and 

 Liniiianthemum nympliaeoidcs. Temp. 7 May, 1932, 19. IC.; pH, 10 April, 1932, 

 9.3, 7 May, 1932, 9.6. Collections 10 April, 7 May, 1932. 



K43. Wular Lake, altitude 1573 m. 



Large shallow lake, max. depth 6 m. but mostly under 3 m. Collections are from 

 plankton samples taken on the western side of the lake, April, 1932. Surface temp. 

 15.5-19.OX., pH 8.9-9.0. 



K 46. Bakh Hajan, altitude 1584 m. 



Large swamp of "jhil," Ijetween K 43 and K 48, mostly about 30 cms. deep, with 

 much RamiHculiis trichophyllum and Marsilia sp. pH 8.5. 17 April, 1932. 



K48. Manasbal Lake, altitude 1584 m. 



Lake with a maximum depth of 12.7 m. Surface temj). 19.85°C., pl^ 8.8. Collec- 

 tions 21 April, 1932, K 48 (1) epilimnetic plankton 7-0 m., K 48 (2) hypolimnetic 

 plankton 10-7 m. 



K 51. Bod Dal Lake, altitude 1582 m. 



Shallow lake; max. depth 4.0 m., but mostly under 2 m. deep with beds of 

 Potaiiiogcton crispus, etc. Temp, surface 16.4; pH 8.5. 1 May, 1932. 



K 68. Sonamarg, altitude c. 2620 m. 



Pond about a mile west of rest house, 20 x 10 m. and about 50 cms. deep. Masses 

 of filamentous algae. Temp. 9.00 a. m. 10 'C, pH 7.0. 19 May, 1932. 



K 69. Sonamarg, altitude c. 2620 m. 



Similar pond near K 68 with fresher looking algae. Temp. 9.30 a. m., 13.2, pH 

 7.6-f . 19 May, 1932. 



L. Localities in Indian Tibet (Ladak, Rupshu, etc.) and Tibet Proper. 



L 2. Mulbe, road from Kargil to Leli, altitude 3200 m. 



Small ]>i")l behind Gonpa rock. About 4 m. in diameter, 50 cm. deep. I'"ilanienti>us 

 algae. Temp. 8.30 p. m. 7.0''C. ; pH 8.0. 27 May, l'>32. 



L4. Spring beliiw I'hotho-la, pass on mad to Leh, between Mulbe and Lamayuru, altilude 

 c. 3960 ni. 28 May, 1932. 



L 10. Khalatse, on road to Leh, altitude 2957 m. 

 Small pond. 30 May, 1932. 



