cases quite or even more perfect than in the igneous rock itself ; and a bed of clay-ironstone at Ponk Hill was found jointed into regular hexagonal columns by the heating and subsequent cooling and contraction, due to the proximity of the igneous rock which formed the boss of Ponk Hill. Numerous other examples could be cited."
11. Observations on Ice-marks in NEWEOUjsrDLAjrD. By Staff-Commander J. H. Kerr, E.N".
(Communicated by Sir E. I. Murchison, Bart., F.E.S., F.G.S.)
[Abstract.]
Whilst engaged on the survey of part of the coast of Newfound- land, the author observed and noted some of the phenomena produced by the former action of ice. Iu this paper he enumerated the fol- lowing localities where grooves and scratches were noticed, and indicated the direction of these markings.
Ice-marks observed in Newfoundland.
No.
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 22a 23. 24. 25. 26. 27. 28.
Place.
Conception Bay.
Brigus North Head James Point Burke Point Campbell's Hill Cat Point Blue Hills Gastries Long Hill Holy -rood, west side " " " east side Bare Shoulder Butterpot Topsail Head Little Bell Island About St. John's. South side of Harbour " " " " " " " " " " " " North side of Torbay Flat Rock North side, Signal Hill
North of Bonavista Bay.
Ladle Island One-Tree Hill (W. side of Pool's Harbour) Pudding Hill ( „ „ „ ) Shoe Hills Shoe Point Lewis Island
Height in. feet above high water.
50 82 8 434 4 839 8 458 200 3 6 580 999 650 H.W. 50 260 360 437 676 300 50-300 200-520 30 190 143 360 214
Direction from true meridian. Grooves.
°
N. 60 E. N. 38 E. N. 47 E. ........ N. 43 E. N. 43 E. N. 39 E. ........ ........ ........ ........ ........ ........
N. 43 W.
........
........
........
........
........
........
........
........
........
S. 72 E. ........ ........ ........ ........ ........
Scratches
°
N. 60 E. N. 18 E. N. 31 E. N. 21 E. N. 38 E. N. 39 E. N. 30 E. N. 30 E. N. 34 E. N. 26 E. N. 7 W. N. 43 W N. 38 E. N. 64 E. N. 64 E. N. 64 E. N. 64 E. S. 86 E. S. 76 E. N. 84 E. E. S. 66 E. S. 66 E. S. 70 E. S. 70 E. S. 88 E.
