14 E.. Loomis—Contributions to Meteorology. 
The three cases in which the great rain-fall took place on 
the N.W. side of the low center are Nos. 27, 54 and 59. May 
11th there was a low center (29°37) about 200 miles southeast 
of Cracow, and during the preceding twenty-four hours the 
low center traveled only 275 miles, which is considerably less 
than the average velocity in this part of Europe for the month 
of May. Sept. 25th there was a high barometer (30°58) at Mos- 
cow, and another high (80°39) over Spain. Under the influence 
of these two areas of high pressure, a system of cyclonic winds 
was formed about the southeast part of France, resulting in a 
heavy rain-fall at various places in Switzerland and Northern 
Italy as well as at Avignon. This movement of the winds 
caused a considerable lira of the barometer (29 83) which 
- was central over Northern Italy on Sept. 26th. Although the 
heaviest rain-fall may have occurred on the northwest side of 
this low center, very heavy rain er occurred on the north- — 
east side of the low center. Sept. 28th there was a low center 
(29°80) southeast of Nice, and es about 500 miles. Dur- 
ing the preceding forty-eight hours, this low center traveled 
only 400 miles, or about eight miles per hour. © No. 
and 59 appear to have been similar to that of Aug. 12, 1880, 
in Austria, where the principal rain-fall was on the west side 
of the low center and the low center remained nearly station- - 
ary for several days. It seems natural to conclude that the 
low center remained stationary because the principal rain-fall 
was on its west side. 
The six cases in which the great rain-fall took place on the 
S.W. side of the low center are Nos. 2, 26, 34, 62, 64 and 65. 
Jan. 4th Carlsruhe was situated on the S.W. side of a low 
center (2913 inches) at a distance of nearly 1000 miles; but 
on the 3d of January there was a decided cyclonic movement 
of the winds about the southern portion of the North Sea, 
accompanied by a slight depression of the barometer on the 
northwestern side of Carlsruhe, and the great rain-fall at Carls- 
ruhe was probably the result of this local movement rather 
than the effect of that distant area of low pressure on the 
northeast side. No. 26, May 10th, was similar to the preced- 
ing case. A cyclonic movement of the winds covering nearl 
the whole of France was very decided, although the principal 
center of low pressure was distant 800 miles on the east side. 
No. 84, June 10ti, was also similar to the preceding, the wind 
at Eperies having been S.E. June 9th and N.W. June 10th. 
No. 62, Oct. 17th, presents another similar case. The wind at 
Cosenza was §.E. on the 16th and N.W. on the 17th. In No. 
64, Oct. 21st, rain was very general throughout nearly the 
whole of Europe, and it apparently resulted not so much from 
the existence of an area of low pressure over the Baltic Sea, 
