O'EiEiLLY — On Jointing in Rochs about Dublin Bay, 8fc. 297 



S9. 



40. 

 41. 



42. 

 43. 



44. 

 45. 

 46. 



47. 



48. 

 49. 

 60. 

 61. 

 52. 



53. 



55. 



56. 

 67. 



68. 

 59. 



60. 



61. 

 62. 

 63. 



64. 



65. 

 66. 



67. 

 68. 

 69. 



70. 

 71. 



72. 

 73. 



Kingrstown Q,uarry at Victoria Baths : — 



Victoria Baths, quarry opposite to, two lodes or 



dykes well marked, at north-west comer, 

 Joint in same place, .... 



At south-east corner, well-marked face, 19" 

 Jointing here, ..... 



,, ), in sast side, . 



]srm. 



long, 



Bullock Quarry : — 



Joint on noi'th side, 

 south side. 



At east end, Eurite vein, 



,, ,, Quartz vera, 16 inches wide, 



Dalkey : — 



Old quarry at Trafalgar-row, jointing in. 



Sorronto Terrace : — 



Under Dr. M'Donnell's house, Quartz and Eurite 

 bands iu rocks along south side of Terrace, 



Dalkey : — 



Tunnel at Khyber Pass, jointat south side of Railway, 

 ,, ,, at about lO"^" west of this, . 



Killiney : — 



On shore, at about 250 yards east of Dr. M'Donnell's 

 house, ........ 



Eepeated joiutiug, . . 

 ,, ,, . . * . * 



Very repeated cross jointing here, 



liOng' Kock : — 



Bathing place, extremely well-marked joiutiug and 

 dyke, 



j> _ )) )) )) )j ■>■> ■ 



Cross joiuting, ....... 



TorcLuay Hill : — 



Several parallel joints, well marked. 



Cross jointing repeated, ..... 



Eidge, 200 yards east of Old Telegraph, 



Killiney Hill: — 



In depression to east of old Telegraph, 

 Between old Telegraph HUland Obehsk, well-marked 

 Eurite vein in, ...... 



Another, ........ 



67° W. 

 67°-68° W. 

 19°-20° E. 



63^ "W. 



38°-39° W. 

 41°-42° E. 

 31°-33°E. 

 67°-58° W. 

 43°-44° W. 



48°-49° W. 

 63°-55° W. 



49° W. 

 51°-52°E. 

 37°-38° W. 



38° W. 

 42° W. 



28° 45' W. 



18°-20°"W." 



45° 30' E. ' 



23°-25° W. 

 25°-26° W. 



25° W. 



28° W. 



87° E. 



31° 45' E. 



27° 30' W. 



29° 30' W. 



34° E. 



28° 30' W. 

 33° E. 

 18° W. 



32° 30' W. 



33° W. 

 25° W. 

 18° W. 



