ON FIVE BALLOON ASCENTS IN 1868. 509 
At 5" 31™ p.m., at 16,486 feet. Mr. Glaisher’s pulsations 97 per minute ; 
Mr. Coxwell’s 98 per minute. 
At 5" 47™ 40° p.m., at 16,080 feet. Very cold. 
At 6" p.m., at 11,953 feet. Mr. Coxwell’s hands felt as if they were scalded; 
he was unable to lower the grapnel. 
At 6" 3™ p.m., at 10,917 feet. Face a glowing purple. 
At 6" 5™ p.m., at 9570 feet. Violent retching. 
At 6" 8™ p.m., at 7907 feet. A feeling of illness. 
At 6" 9™ p.m., at 7443 feet. Vomiting. 
April 18. 
At 1" 42™ p.m., at 17,057 feet. A stream of cold to sense. 
At 1" 48™ p.m., at 18,886 feet. A general tinge over the countenance ; 
heart slightly affected. 
At 1" 52™ 50° p.m., at 20,163 feet. Face of a bluish-white colour. 
At 2" p.m., at 20,943 feet. Mr. Glaisher’s pulsations varied from 90 to 95 
per minute; Mr. Coxwell’s from 98 to 113; Mr. Ingelow’s kept at 130. 
Mr. Glaisher’s pulse was weak; Mr. Ingelow’s full and strong. 
At 2" 13™ p.m., at 21,760 feet. Air very dry to sense, 
June 26. 
At 1" 7 20° p.m., at 3029 feet. It was painfully cold. 
At 1° 11™ p.m., at 6477 feet. Dreadfully cold; I put on a coat with diffi- 
culty ; wrapped up my neck; also put on an extra cap, and gave Mr, Coxwell 
a wrapper. 
At 1" 22™ p.m., at 14,203 feet. Mr. Coxwell complained of pains in his 
hands, which were of a dark-blue colour. 
Tan Lines IN THE SPECTRUM. 
March 31, 
Before starting B was the boundary-line at the red end, and a little past G 
at the violet end when looking at the sky. When looking at the sun H was 
not distinctly seen. 
At 4° 20™ p.m., at about half a mile high. The spectrum was the same 
as on the earth, but the extreme lines were seen with less distinctness. 
At 42 29™ p.m., at 7557 feet. Sky spectrum very bright, less lines at the 
red and violet ends. Gis quite the limit, B cannot be seen, and C is doubtful. 
At 4" 39™ p.m., at 12,000 feet. Can see to the line F in the sky spectrum ; 
violet dull ; no lines can be seen beyond D. 
At 4" 42™ p.m., at 13,700 feet. Lost sight of the violet end of the sky 
spectrum ; no lines can be seen at all. 
At 4" 45™ p.m., at 15,793 feet. Sky spectrum very short; no lines; can 
see a little beyond D to E, not F. 
At 4" 49™ p.m., at 17,616 feet. No lines visible in the sky spectrum; faint 
violet rays as far as G. 
At 5° 10™ p.m., at 19,356 feet. No sky spectrum at all. 
At 5" 23™ p.m., at 20,749 feet. No sky spectrum at all. 
At 5" 45™ p.m., at 16,080 feet. No sky spectrum at all. 
At 5" 58™ 30° Dp. m.,; at 12,797 feet. Nosky spectrum; probably not suffi- 
cient light. 
