J. 8. Newberry on the Coal Formation of China. 151 
Annual inequality of the horizontal force, at Eastport 1860-1864 
(43 years) ; at Toronto 1856-1864 (9 years). 
Ann Annual 
H at . * H at 
Eastport. ines ?! Toronto. inequal a 
Jan., 3°308 ~"005 3°4850 — 0034 
’ ~004 4847 0037 
arch, 306 —"002 4873 —0011 
April, 309 +001 "4863 —'0021 
ay, 313 +005 4918 +0084 
June, 314 +006 4921 +0037 
July, 314 +006 4931 +'0047 
Aug, 308 00) 4930 + 0046 
Sept., 308 00 4889 +0005 
Oct., 304 ~— 004 4868 —001 
Nov., 305 ~ 003 4856 —0029 
Dec. 305 ~ 003 4858 0026 
Means, | 3-308 84884 
TE eee By ae * 
+007 4 
6 7 
Ss o-] 
4 : < 
3 ‘ oe 
a 33 + 
1 7 
0 
J 
2 
3 
A 
=) 
=: Q06/.. 
| EA rE Oe, PANG FOE Bees ean Cae ee 
2a 1a Se Soe ae 
sf 22222 25923 85 
The agreement in the annual inequality at the two places is 
as close as can _— y be expected. For stricter comparison it 
would be necessary to convert the tabular numbers of the ea 
inequality inte parts of the respective forces. o. 
Arr. XXIT.—On the Age of the Coal Formation of China; by 
Dr. J. S. Newperry: addressed to RaPHAEL PUMPELLY, Esq. 
THE fossil plants you were kind enough to submit to me for 
peep, tt though few in number and somewhat fragments 
prov 
