EXPLANATION OF PLATE III. 



[The figures in parentheses refer to the numbers in the List of Species. ] 



Fig. I (138) Spiculum — new. lb. Side view. Keady Hill, Co. 



Derry. 



Spicule, zb, Tyb. Side vieivs. Sallagh Braes, Co. 

 Antrim. 



Attenuated-rectangulate hexradiate spiculum. Spring- 

 hill, Co. Derry. 



Attenuated-rectangulate hexradiate spiculum. Bally- 

 tober, Co. Antrim. 



Fragment of Skeleton fibre. Sallagh Braes, Co. Antrim. 



Fragment of Skeleton fibre, same as the preceding one, 

 front view. South of Ballycarry Station, Co. Antrim. 



Fragment of Skeleton fibre. Sallagh Braes, Co. Antrim. 



Fragment of Skeleton fibre. Keady Hill, Co. Derry. 



Fragment of Skeleton fibre. Ballintry, Co. Antrim. 



Sphero-stellate spiculum. Sallagh Braes, Co. Antrim. 



Spiculum ? 12 b. Side view. Bally tober, Co. Antrim. 



Spiculum 1 South of Ballycarry Station, Co. Antrim. 



Polymorphina korrida, Reuss. Near the Gobbins, Co. 

 Antrim. 



Polymorphi7ia damcecornis, Reuss. 16 b. Upper surface. 

 South of Ballycarry Station, Co. Antrim. 



Polymorphina damtzcortiis, Reuss. Near the Gobbins, 

 Co. Antrim. 



Rotalia vel Planorbulina ? With each chamber symmet- 

 rically perforated. Black Hill, Co. Antrim. 



Ramulina Icevis, gen. et sp. nov. Jones. Sallagh Braes, 

 Co. Antrim. 



Ramulina brachiala, sp. nov. Jones. Keady Hill, Co. 

 Derry. 



The figures are all enlarged — the line at the side of each indicates the 

 natural size. 



1 



(138) 



2, 3 



(139) 



4 



(H3) 



5 



(H3) 



6 



(144) 



7 



(144) 



8 



(145) 



9 



(145) 



10 



(146) 



11 



(147) 



12 



(H9) 



13 



(150) 



H, 15 



(82) 



16 



(81) 



17 



(81) 



18 



(121) 



19 



(122) 



20 



(123) 



