60 BOTANICAL GAZETTE [JULY 
Station 4. 
Noon stop made at point where the river cuts into the Sonora 
mesa above ‘‘Noche Buena” cut-off; observations made at a point 
corresponding to Station 3, with similar vegetation. 
Jan. 31 1:45 P.M. oa F: 15% rel. hum. 
Station 5. . 
Camp on dry shore in Baja California among willows, poplar, and 
saltbush, with numerous beaver slides along bank. 
Feb. 7:00 P.M. 50° F. 30% rel hum. . 
“cc I 8:30 c 44 cc 66 ee 
anaes 6:30 A.M. 45-7 59 es 
Station 6. 
Group of adobe buildings at Colonia Lerdo, on margin of gravel 
mesa sloping gradually to the delta, 2*™ from stream, among mes- 
quite, saltbush, and arrow-weed. 
Feb. 3 II:40 A.M. 78° F. 16% rel hum. 
8 1:30 P.M. pT eae II " 
“ 3 4:15 6c 79 cc 10.5 73 st 
Station 7, 
Camp on eastern shore of river at Colonia Lerdo, among poplar, 
willow, cane, and tule, 25™ from margin of water and 2™ above 
surface. 
Feb. 5 7:25 P.M. 64° F. 38% rel. hum. 
“ 5 7:45 “ce 64 cc 4 40 “ 
cc 5 2:10 iz 67 c 37 ce 
Station 8. . 
The data given below were obtained at a number of points on the 
plain and mountains, near camp on San Felipe Bay, Baja California. 
Tent on beach. 
ee II 6:20 P.M. a2 fF. 42% rel. hum. 
2 II whe ac 49 ‘ce 39 ce 
: 12 5:50 A.M. cy hed 44 . 
12 8:00 “ee 56 6c 27 e 
I2 Sie 6 ag 24 e 
