‘ ON WAVES. 471 
5th Aug., 1837. WAVE XxX. Negative. Depth 4 inches. 
Generated by removing solid parallelopipedon C. Volume = 276:3 inches. 
Observed directly and timed at gauges y and 3. 
Observers @ Patrick, y Hamil, 3 Bh ga a Russell. 
Statical level observed at Per: al Ei a 21 ait Corrected statical depth = 4°10 inches. 
feet. asec.|B sec. yin. | din. | 4/in. | Yin, | in, || feet. |zsec.| Bsec.| yin. | din. | 9/in. | d’in. | in. 
0: | 0-0) 0:0 | —0-80) ... | —0-85 v.. || 95-7}... | B25]... |—O-20) ... |—0-41) 3-77 
14-62) ...|} 60) ... |—O3] ... —0-51] 3-42|| 115-7]... we. |—0-20) «2. |—0-25) 2. | 3°77 
35°77 | ...| ... | —030] ... | 035] ... | 3°67|| 135-7] ... |—45°5) ... |—0-20) ... |—0-41/ 3-77 
55-7 | .-.|19:5 | ... |—O-20) ...  |—O-41) 3°72!) 155-7) ... |... Sed poor Meas eat billates 
75°7 | 26-5) ... | —0-20) ... | —0-25) ... |3°77/| 175-7) ... | 59-0 
5th Aug., 1837. WAVE XXI. Depth 4 inches. 
Generated by protrusion of solid C. Volume = 276°3 inches. 
Observed directly and timed at gauges y and 3. 
Transits observed directly and at successive transits in the negative wave. 
Observers 6 Patrick, y Hamil, } Donaldson—Transit, Russell. 
Statical level observed at {3 es h oat Corrected depth = 4:06 inches, 
A B Cc D E| A B Cc D E 
feet. |  sec.|@ sec.|y in.|d in.!9/in. l¥in.| in. || feet. | @ sec. Bsec.|y in.|d in.|y’in.|0’in,) in. 
O- | 0-0 | 0-0) 1-50)1-42) 1-45|1-29] ... || 200+ | ... | 58-0) 0-70/1-03) 0°65/0-90) 4-83 
40- | ... | 10:0) 1°30)1-40) 1-25/1-27) 5-37] 240- |... | 64-5] 0-70/0-96] 0°65/0-83) 4°82 
80° | ... | 20:5) 1:20)1-29) 1-20)1-16) 5-27/| 280- | ... | 76-0) 0°70/0-85) 0-65)0- 0 4°78 
120° |... | 30-1) 1-10/1-20} 1-05)1-07| 5-17|| 320- | ... | 80-0) ... | ...] .. ech 
160° | ... | 42-1) 0:90)1-05) 0-85/0-92) 5:08]| 360: | ... pad LS Roe | fie || 
5th Aug., 1837. WAVE XXII. Negative. Depth 4 inches, 
Generated by removing solid parallelopipedon'C. Volume = 276°3 inches. 
Observed directly and timed at gauges y and 3. 
Observers £ Patrick, y Hamil, 3 Donaldson—Transit, Russell. 
Statical level observed at { 3 T iF ne | Corrected depth = 4°10 inches. 
B Cc D E A B C D E 
. | #sec.|B sec.| yin. | din. | y’ in. | 0 in. | in. || feet. |asec.|Bsec.| yin.} din. | in. | 9’ in, | in. 
0-0 | O-0)/— 1-0) ... |—1-05) 2... |... |] 95-7] 2 | ee |e [= OL | oe. | 086) 3°75 
. | 55)... |—O8B |... |—O-51) 3:32], 115-7]... |... |— 08)... |— 085) 2.) 13°75 
s» | 13°5}— 03)... |—O-85] ... | 3°67|| 185-7)... |... |... |— 0-07)... |— 0:28) 3-79) 
osl... looa5) | azallazs7) bot 10s} | e-ge) 
