on three balloon ascents in 1864 and 1865. 187 



Heights and Appeabance of the Clouds. 

 December 1, 1864. 



Before starting the sky was cloudy. 



At 3 h 50 m p.m.. at 3968 feet, the setting sun illuminated the topmost part 

 of a dark stratus cloud with a very deep orange- colour ; not a cloud in the 

 sky above altitude 15°. 



December 30, 1864. 



At 2 h 15 m p.m., at 602 feet. Misty all round. 



At 2" 19 m 45 s p.m., at 2355 feet. Approaching cloud. 



At 2 h 21 m p.m., at 2532 feet. Entered cloud. 



At 2 h 23 m 30 s p.m., at 2699 feet. Just out of cloud. 



At 2" 28 m p.m., at 2215 feet. Approaching cloud. 



At 2 h 28 m 30 s p.m., at 2552 feet. Just entering cloud. 



At 2 h 28 m 45 s p.m., at 2687 feet. Passed into cloud and lost sight of every- 

 thing. 



At 2 h 30 ra p.m., at 3228 feet. Cloud dense and cold. 



At 2 h 31 m p.m., at 3424 feet. The sky was of a beautiful prussian-blue 

 colour, with a beautiful sea of cloud below of varied surface, bright and shining. 



At 2 h 34 m 40 s p.m., at 3550 feet. In a very dense cloud. 



At 2 h 35 m 30 s p.m., at 2570 feet. Out of cloud below. 



February 27, 1865. 



At 2 h 3 m 30 s p.m., at 3074 feet. In cloud. 



At 2 h 4 m p.m., at 3333 feet. In a white cloud. 



At 2 h 5 m 30 s p.m., at 3850 feet. We are in cloud : the clouds below arc 

 moving much more quickly than we are. 



At 2 h 7 ra 30 8 p.m., at 4418 feet. The clouds below appear to be moving 1ST. 



At 2 h 8 m 30 s p.m., at 4647 feet. The clouds below are moving at right 

 angles to us. 



At 2 h 9 m 30 s p.m., at 4737 feet. Clouds have a very fine purple tinge over 

 a very beautiful even surface. 



At 2 h 27 m 30 s p.m., at 4840 feet. Clouds very high above us. 



At 2 h 45 m p.m., at 3274 feet. Clouds on our level. 



At 3 h l m 30 s p.m., at 1075 feet. Upper clouds moving as before. 



At 3 h 38 m 30 s p.m., at 2659 feet. In haze. 



At 3 h 39 ra p.m., at 2965 feet. In tbicker haze. 



At 3 h 40 m p.m., at 3149 feet. In cloud. 



At 3 h 41 m p.m., at 3149 feet. Still in cloud. 



At 3 h 43 m p.m., at 3190 feet. Misty. 



At 3 h 44 m 30 s p.m., at 3440 feet. In cloud. 



At 3 h 45 m p.m., at 3521 feet. In fog. 



At 3" 46 m p.m., at 3415 feet. In cloud. 



At 3 h 49 m p.m., at 2650 feet. Out of cloud. 



Direction op the Wind. 

 December 1, 1864. 



On the ground the wind was from the W.N.W., light and variable. 

 On the ground at l h 15 m p.m., a pilot balloon first moved W., and after- 

 wards N.W. 



