ADDENDA. 
435 
Distribution. 
British : 
Upper Chalk: Ballytoben, Magee Island, Xortli-East Ireland. 
Foreign : 
Senonian — Maastriclitian : Mendon ; Sainte-Coloinhe, Manche ; Pons, 
Cliarente-Inferienre ; Ciply. 
Campanian : Eiigen. 
Figures. 
Figs. 64<?, h. Obverse and reverse sides of a fragment, 
X 12 dia., from the Chalk Powder of Ballytoben, Magee Island, 
jS’orth-East Ireland. Presented by J. Wright, Esq. In Fig. 64J, 
the epithecal layer is broken away at the npper end of the branch. 
Fig. 61 . — FiUcrlslna verticillatn, Orb. obverse ; reverse. 
LIST OF SPECIMEJIS. 
D. 3269. A branched fragment. Upper Chalk Powder. Ballytoben, Magee 
Island, Xorth-East Ireland. Presented by J. AVright, Esq. 
Figd. Nos. 61ff, h. 
D. 3268. Two small fragments of the same from the same locality. Presented 
by J. Wright, Esq. 
UNIlEPllESENTED SPECIES. 
1. retiformis, d’Orbigny, 1853. 
Syn. FiUcrisina retiformis, d’Orhigny, 1853-1. Bry. Cret. p. 911, pi. 769, 
figs. 1-4. 
,, ,, Pergens, 1890. Kevision, p. 352. 
