Decreased Pressure 955 



1:20. 2509 meters. Awoke at the hotel of the Riff el; temperature 

 37.10°. 



4:30. 2850 meters. Temperature 38.14°; pulse 80; respiratory rate 

 34. 



6:00. 3300 meters. Above this point, I begin to suffer from respir- 

 atory inconvenience and headache, my head seems encircled in a ring. 

 Our ascent is very slow partly because of this oppression, partly 



Fig. 82— Pulse at the Riff el Pass (2780 m.), during mountain sickness 

 (ascent of July 4). 



Fig. 83— Pulse at the Sattel-Tolle (4300 m.): on arrival (a); after a half- 

 hour of relative rest (b) (ascent of July 7). 



because of the horrid state of the snow into which we sink at every 

 step up to the knees. 



6:35. Respiratory distress increases; temperature 38.44°; pulse 

 100; respiratory rate 32. 



7:45. 3700 meters. During the climb; temperature 38.25°; pulse 

 102; respiratory rate 42. 



8.07: 3800 meters. Nausea; third lunch; pulse 80; respiratory rate 

 24; dyspnea. 



