Astronomy and Meteorology. 289 
Some minutes before the commencement of observations I verified 
the position of the telescope and the commencement was marked by a 
Morse telegraph, kindly procured from Madrid by M. Aguilar, provided 
with a pendulum which marked the seconds, A simple mechanism 
marked the instant of observation. Some minutes after the commence- 
an are of about 10° or more, but some time after the moon disappeared, 
and after that it could be observed only for an instant. Is this due to 
€ cusps remained throughout very distinct, and the solar spots were 
successively eclipsed without any distortion as viewed with a magnifying 
ower of 90, e lunar mountains were well outlined upon the solar 
lent glass of neutral tint made by Lerebours, a graduated light, the 
lighter shade being very delicate. The slender crescent is-now breaking 
ted near the point of occultation. One of these was at least 2! 30” 
. height, and is Inte at the base as 2’; it was conical in form, slightly 
tapering, curved at the top. The other was about. half the height of 
: sh 
: oe speared, those of the upper part were the largest, and rege 
“M. Jour, SCL—SECOND SERIES, Vor. XXX, No. 89.—SEPT., 1860. 
37 
