_E. Loomis— Reduction of Barometric Observations. 9 
numbers differ a little from the numbers in my fifteenth paper. 
The average of the differences given in that paper was 0°36 inch, ae 
and the average of the differences in column ninth of table V is 
0°35 inch, a change which is unexpectedly small. 
_ Taste V.—Cases in which the reduction to sea-level was unusually great. 
Sea-level. | Mt. Wash’n. 
Date. dextp. wie Oo—C att | o-—C Daeecihin Ace velocity. 
Bar, |Therm.| Bar. |Ther.; = = | Is | 
eh Se ELL ee | 
1872. | | 
Noy. 7.3/29°26] 40°-4/22-78] 20°| 30°-2/28-98] + -28 29° at = ish 4; ig 38; NW. 65. 
8.1) -33} 41°6] 80] 21] 31-3]  -99} °34 
8.2} -44| 468] -96] 22] 34-4/29°15] -29 ad 35] x yg ee 
9.1] -77| 40-6/23-12| 19, 29°8| 42] -35| = °71 bo Nw. * r 
9.2) -88} 39:8} -24| 20] 29°9| 57] “31 85] -28'W.7 
29.2} -72| 32-6/22-89| 13} 22-8} -24| 48) -62 "38 NE. 2; SW. 35. 
30.1) -45} 15°8| -63} 5] 10-4) +12] °33) -42| -30\NE. 
30.3] --63] 16:2] 73} . 3| .9°6| -26 60} °34/W pe 
Dec. 1.1] -84| 20°6 4| 12:3] -3%| °47 81| -44|N. 52 
2 36°0/23°14] 17| 26°5) -50| °30} 75) -25.SE 60. 
4.1/30°01| 30°2| -24| 14} 22-1] *70) -31) -96| -26/SE. 42; W. 58 
10.1/29°61| 11-8/22- 3]. 14) °36| 26] 60! -24\SE. 16; W. 69 
92} 30°4|23°12} 11] 20-7] -57| -35| -96| -39 23; N. me N. 68. ‘ 
22.2130°17] 6°6| -05|— 9/— 1:2) -86| -31| 30°18]. -32:ISW. 65; W.35; W.43. 
2 48|/— 8-8) -05/—16|/—12°4| -07| 41) 5 = es: 2 fap $2]; Wot 8 
. 28.1/29°95|— 1-8/22-75|—20/—10-9| -66| -29| 29°93 ae 
1873 co tle 
‘Ti\Jan. 6.2/30-08} 25-023-14| 6| 15-5) *68| 40) 30-04] *36S. 60; W.3 a 
1 15}. 8-2) -06|—11/— 1-4| -88| -2%|-17} -29 [9-2 Sw. 30); x. we. = 
22) 3-4) -10/— 5|— 0-8} +92) 30] 25} -33/SW. 18; 54, 
20\Feb, 10.1} -10]  0-0/22-96|— 4|— 2°0| -76| -34 16) “40 ok 3 = 3a); NW. a 
10.2) -07} 7-6/23-01|— 5|' 1-3] -77| -30| 09) 32 
22/Mar. 16.2|29-43| 33-022-78| 11| 22-0! -11/ 32] 29-42 31'S, 38; SW. 52; W. 28. 
16.3} -60}. 27°6| “74 17:3} +14) 46] 58] -44. NW. 
17.1). °79).. 25°, -87|. 4) 14°65) +36] <4} 76) 1W ss 
17.2} 94) 29-4/93-15| 6| 17°7| -66| -28| -9 | 28 N : 
4 24.1} -96} 14°6/22°92| 3] 8-8! -52) <4 ‘97|  °45'[21- 1 Si 50]; iat gs : 
2 “ ues 30°09} 33°0/23°33] 15) 24:0) -78| -31 oi 28 ie 3 calm]; NW. 6 : 
48\ Apr. 30.2/29°38| 38-2/22-67| 8} 231'28-96| -42| 29°36) -40 e- 1 EB. 35]; NW. 130. 
29 30.3] -41) 37-2) -72) 10) 23°6/29°01/ -40} -39| ‘38 NW 
30/Dec, 29.2} -g8| 26-693-02/— 3| 118] -59| -29/ 891-30 [27-2 - 20]; NW. 80. 
see 30°21] 10°8 -01/—20|/— 4°6| -88| 33] 30°20) -32. NW. 
aS 29°94| 9-4'99-70|—26/— 8-3) 54 
40} 29°96) -42) sw. 73; SW. 50; Nw. 100 
"81 2 91} O| 123 34 9} -35.SW ‘ NW. 7 
; 12°6|  -82/—20)/— 3-7] -61| 33 IN 
5.1|30-11 ‘T1|—33|—15°2| -69} -42} 30°12, -43;NW. 
5.2] °17 25|— 9°8| 90) -27 1NW 
5.3} -21/— 0-2/23-00/—14|— 7-1] -91| ‘30 “21 pitabas 
V7.1) 1%] 2-0|22-91|—-24;—11°0] +86) +31 , 
5.312983 26°6} -93) 0| 13°3| -45] -37| 29°8 (203s, 8. ns ah 80. 
6.2130-06} 1 95|—15! 0-1! “71! «-351 30-11! - 
