ON “QUIET’' DAYS DUKINO THE ELEVEN YEAR8 1890 TO 1900, ETC. 
341 
Table II.—Mean Annual Values. 
Year. 
1>. 
I. 
11. 
W. 
N. 
V. 
T. 
1890 .... 
17 50-6 
o i 
•18169 
•05567 
•17295 
1891 .... 
17 41-9 
67 33-2 
•18193 
•05531 
•17332 
•44034 
•47648 
1892 .... 
17 36-7 
67 32-0 
•18204 
•05508 
•17351 
•44012 
• 47 636 
189.3 . . 
17 28-8 
67 29-0 
•18238 
•05478 
•17396 
•43992 
• 47625 
1894 .... 
17 23-0 
67 27-6 
•18251 
•05453 
•17417 
•43971 
•47612 
1895 .... 
17 16-8 
67 25-4 
• 18278 
■05429 
•17453 
•43958 
• 47 608 
1896 .... 
17 10-8 
67 22-7 
•18309 
•05408 
•17492 
•43937 
•47600 
1897 .... 
17 6-4 
67 19-6 
•18342 
•05395 
•17532 
•43906 
•47583 
1898 .... 
17 1-4 
67 17-0 
•18364 
•05376 
• 17559 
•43885 
•47574 
1899 .... 
16 57-1 
67 14-7 
•18393 
•05363 
•17594 
•43852 
•47553 
1900 .... 
16 52-7 
67 11 •8 
•18428 
•05.350 
•17634 
•43831 
•47548 
Means . 
17 18-8 
67 23'4 
•18288 
•05442 
•17160 
•43938 
•47599 
Table 111.— Secular Changes. 
A’ear. 
I). 
I. 
II. 
W. 
N. 
V. 
T. 
1890-1 . 
- 8-7 
' 
+ 24y 
- 36y 
+ 37y 
■ 
_ 
1891-2 . 
- 5 • 2 
-1-2 
Ally 
-23y 
+ 19y 
-22y 
-12y 
1892-3 . 
-7-9 
-3-0 
+ 34y 
-30y 
+ 45y 
-20y 
-lly 
189.3-4. 
- 5 ■ 8 
-1-4 
+ 1.3y 
-25y 
+ 21y 
-21y 
-1.3y 
1894-5 . 
-6-2 
_ 2 • 2 
+ 27y 
-24y 
+ 36y 
- 13y 
- 4y 
1895-6 . 
-6-0 
-2-7 
+ 31y 
-21y 
+ 39y 
-21y 
- 8 y 
1896-7 . 
-4-4 
-3-1 
+ .33y 
-13y 
+ 40y 
-Sly 
-I7y 
1897-8 . 
- 5 • 0 
-2-0 
+ 22 y 
- 19y 
+ 27y 
— 2 ly 
- 9y 
1898-9 . 
-4-3 
-2-9 
+ 29y 
-13y 
+ 35y 
-3.3y 
-21y 
1899-1900 . 
- 4-4 
-2-9 
+ 35 y 
- 13y 
+ 40y 
-21y 
- 5y 
Mean animal change at— 
Ivew. 
-5-79 
- 2 • 38 
+ 25•9y 
-21-7y 
+ 33•9y 
- 22•6y 
-11-ly 
Parc St. Maur. 
-5-46 
- 1-60 
+ 25•3y 
— 
— 
— 0 • 3y 
— 
Potsdam. 
-5'2.3 
- 1-14 
+ 22-7'/ 
— 
' 
+ 1.3-9y 
+ 21-8y 
§ 7. It A\ I11 be observed tliat the mean secular clianges in 1) and II at Parc St. Maur 
and Potsdam are verv similar to those at Kew. There is even, in the case ol these 
elements, a fair resemblance in the variations from year to year. xCll three stations, 
for in,stance, show a decidedly .slackened rate of change in 1) since 1806. In 1898-0 
and 1899-1900, the changes in D at Potsdam were absolutely identical with those at 
Kew ; but in 1892-3 the change at Potsdam was less by P than in either 1891-2 or 
1893-4, AApereas at Kew it Avas 2' greater in 1892-3 than in the tAvo adjacent years. 
KeAv and Potsdam agree in representing the change in H during 1891-2 as 
particularly small, and the changes in 1893 -4 and 1897-8 Avere also at both places 
