BINNIE: MESOZOIC ROCKS OF THE NORTH-EAST COAST OF IRELAND. 67 
as would occur on the same horizon. The sponges, kindly named by 
Dr. J. G. Hinde, one of which is a new species, are also very abundant. 
As a rule the chalk was very unfossiliferous, so that the rich fauna 
found here is most noticeable. All the above specimens were obtained 
in the course of three-quarters of an hour. 
i 
6 
Grey Chalk. 
Chalk Marl. 
Lower Chalk. 
Middle Chalk. 
Upper Chalk. 
Senonien. 
:§ 
1 
Brachiopoda. 
King-enia lima 
Rhynchonella octoplicata ... 
* 
* 
* 
* 
* 
Lamellibranchiata. 
Pecten concentricus 
Cardium mailleanum ? 
* 
Gasteropoda. 
Pleurotomaria perspectiva ... 
Turbo 
Rostellaria 
Turritella .. 
Littorina ... 
* 
* 
* 
* 
* 
♦ 
♦ 
Cephalopoda. 
Nautilus laevig-atus ... 
,, largilliertianus 
Hamites ang-ustus? .. 
Scaphites. 
Baculites anceps ? ... 
Ammonites gallivilliensis ... 
Belemnitella mucronata 
* 
* 
* 
* 
* 
♦ 
* 
* 
* 
♦ 
* 
* 
* 
ECHINODERMATA. 
Cidaris 
Discoidea cylindrica 
Echinocorys vulgaris 
* 
* 
* 
* 
♦ 
Pisces. 
Otodus append iculatus 
* 
* 
* 
C(ELENTERATA. 
Parasimilia 
j 
Spongida. 
Coeloptychium agaricoides ... 
Aphrocallytes spec. nov. 
Ventriculites inf undibulif ormis 
* 
* 
♦ 
1 
i 
