122 [Proc. B.N.F.C, 



Antrim, N. by W., or Derry, N.W. Porphyry, intrusive in 

 metamorphic series, Cushendun, Co. Antrim, N. by W. Granite, 

 N. of Pomeroy, Co. Tyrone, W., or Derry N.W. Chalk and 

 flints, Co. Antrim,' N.W. Greensand, Co. Antrim, N.W. Basalt 

 and amygdaloidal basalt, Co. Antrim, N.W. Quartz (?). 



ix. — neill's hill. 

 Dundonald parish, Co. Down. About ioo feet above sea 

 level. A hill about four acres in extent, resting on Trias. 

 Situated at Neill's Hill station, on County Down Railway, 

 among low rolling hills, in a broad valley. Quarried for nearly 

 twenty years for sand and gravel. Surrounding hills of sand 

 and gravel, Neill's Hill alone having beds of boulder clay 

 alternating with current-bedded sands and gravels, capped by a 

 bed of very coarse gravel ; towards S.W., brick clay with 

 boulders takes the place of this upper gravel. The principal 

 section runs E. of S. and W. of N. 43 yards long by 24 feet 

 deep at highest point, ground falling away on every side, 

 consisting (in descending order) of the following beds : — 



(A) Coarse gravel with dark red sandy and clay layers ; 

 bedding very irregular. Many blocks of New Red Sandstone 

 near the top. Bed 4 feet 2 inches thick towards N., increasing 

 to 10 feet towards S., resting unconformably upon boulder clay. 

 Stones rounded and waterworn. Striated stones very scarce. 

 One large fragment of Astarte borealis found. Photographs of 

 the section were taken. No Foraminifera were found. 



(B) Hard compact fine dark red boulder clay, becoming 

 blacker towards base of bed, resting unconformably upon red 

 sand. Intercalated deposits of gravel from A in upper portion. 

 3 feet 6 inches thick at S., where it dips at an angle of 14 , and 

 is lost under sand ; lost under A to N. Shells (fragmentary) 

 rather rare, including — Leda pernula, Tellina balthica, Bala- 

 nus tulipa-alba, Buccinum undatum, Astarle sulcata^ A. 

 borealis, Mactra subtruncata, Trochus (cinerarius?), and 14 

 species of Foraminifera. Boulders striated and polished. Long 

 axis E. and W. to S.E. and N.W. In 100 boulders, all were 

 erratics. 



