92 PROCEEDINGS OF SECTION A. 
Station.—Eaglehawk Neck. Lat. 43° 1’ 46". Long. Qh. 
51m. 44°6s. 
3°48-4°10 p.m. 
Vibration 10°41-10°52 
a.m. 
Deflection 12 noon-1°'5 
p.m. 
2°85-3°20 p.m. 
3°30-£°10 p.m. 
9-30-10°6 a.m. 
10°35-11] -20 a.m: 
Declination 
Horizoutal 
Force 
ae 
§ 
The underlying rocks are mudstones and limestones of 
Permo-Carboniferous age. 
Azimuths.—Left edge of chimney of Lufra House, a, 176° 
35'/42'!, Right edge, b, 176° 36'52''. Overhanging rock 
near Clyde Island, C, 206° 14’ 57’'. Furthest headland 
nerth, protuberance half-way up face, D, 216° 58’ 57”. 
Magnetic station is in this case at the M.S. mark. 
Directions for findmg M.S. mark.—Buried. Proceeding 
along the road from the Neck towards the blow-hole for 
about 14 miles a weather-board two-storied house, “ Pen- 
dennis,” through the garden cf which a small creek flows, ia 
reached. The M.S. mark is about 300 yards S.E. of “‘ Pen- 
dennis,’ the azimuth of “ Pendennis” chimney from the 
mark being about 1319. This information, together with a, 
b, C, D above, will serve approximately to locate the mark. 
For further identification, a smal! cairn and stout pole have 
heen erected. The M.S. mark, the pole, and D above are in 
line in the order named, and the distance between the cairn 
and the mark is about 54 feet. 
“Station —Oatlands. Lat. 42° 17° 10. Long. 9h. 49m. 
16° 16’ 35’ E. 
“2014 
71° 22’ 24" 
Time. Element. 
Feb. 26) 9 -6-9°19 a.m. [a.m.| Declination 
26/ Vibration 10:°14-10°25 | y Horizontal 
Defiection 2°27-3-25 p.m.|4 Force 
Jan. 3/3°10-4°30 p.m. 
ve mY 
4| 16°15-11-30 am. is ip | ea 
9° 25 32" 
*2055 
