MR J. W. GREGORY ON THE MALTESE FOSSIL ECHINOIDEA. 639 



Plate II. 



Fig. 1. Breynella equizonata, n. sp., Lower Coralline Limestone, Pembroke Camp, Malta. B.M., E. 3404. 



Nat. size. 

 Fig. 2. Brissus depressus, n. sp., Upper Coralline Limestone, Malta, B.M., E. 3428. 

 Figs. 3 and 4. Pericosmus coranguinum, n. sp., Globigerina Limestone, Malta. Fig. 3, Abactinal surface. 



B.M., E. 3405. Fig. 4a, Posterior view of another specimen. B.M., E. 3429. Fig. 46, Lateral 



view of the same. 

 Fig. 5. Metalia melitensis, n. sp., Globigerina Limestone, Malta. Mus. Prac.Geol. 

 Fig. 6. Hemiaster vadosus, n. sp., Globigerina Limestone, Malta. Fig. 6a, b, c. B.M., E. 3422. x 2 dia. 



Fig. 6d, Apical system of the same specimen. 

 Figs. 7 and 8. Sarsella anteroalta, n. sp., Globigerina Limestone, Malta. B.M., E. 3420-1. 



