ANTALO LIMESTONES. 179 



and during the hurried march to Magdala nothing of 

 any value was obtained ; but when returning it was 

 possible to devote a couple of days to examining the 

 neighbourhood of Agula and Dongolo, and the search 

 Avas rewarded by the discovery of a few species in better 

 ■condition. Of these the following is a list ■} — 



BCHINODEEMATA — 



f Hem/lcidaris Ahyssinica, sp. no v. 

 Cidaris, t sp. a fragment, 



MoLLUscA Lamellibranchiata — 



Ostrea, sp. near 0. Jonesiana, Tate. 



Gryphwa, sp. 



Pecten, sp. 



Trigonia costata, Sow. var. pullus. 



Modiola Baini, 1 Sharpe. 



Modiola imbricaria, Sow. var. 

 f Mytilus Tigrensis, sp. nov. 



Cyprina, sp. cast. 



Tatieredia, sp. 



Isocardia, ?sp. cast. 



Tellina, perhaps two species, casts. 



Ceromya concentrica, Sow. 



C. similis, Sow. 

 f 0. paucilirata, sp. nor. 



■|- Pholadomya sublirata, sp. nov. near P. recurva, Ag., and 

 P. concatenata, Ag. 



P. sp. near P. antica, Ag. 

 f P. granulifera, sp. nov. 



Gasteropoda — 



Natica, pp. casts. 



Alaria, sp. do. 



Cerithium, sp. fragmentary. 



{f For the descriptions of the new species, see Appendix to this part.) 



The species of Hemicidaris, Pholadomya, Ceromya, 

 Trigonia, and Alaria are all of characteristically oolitic 



1 I am greatly indebted to my friends Dr. Stoliczka and Mr. Btheredge for 

 aid in determining these fossils. 



H2 



