of the Maltese Islands. Q* 



and we cannot be very far wrong, I think, in leaving it with 

 T. minor. 



I am informed by Dr. Adams that this species (in Malta) is 

 |)eculiar, seemingly, to the point of transition between the 

 " Lower Limestone " (5) and the ** Calcareous Sandstone" (-4), 

 and occurs there along with Thecidiwn Adamsi. It has also been 

 recently found by Dr. Adams in great abundance in the " lowest 

 Limestone " in Gozo. Dr. Adams informs me also that this is 

 no doubt the small Terebratula referred to by Capt. Spratt, in 

 his valuable memoir on the geology of Malta and Gozo, as having 

 been discovered by Earl Ducie when studying the geology of 

 Malta for his geological map of that island. 



T. minor occurs in the Miocene, Pliocene, and Pleistocene 

 deposits of Sicily ; and both it and T, vitrea live near the shore 

 of that island. 



3. Terebratulina captU-serpentu, Linn. sp. PI. L 6g. 9. 

 Anomia eapttt'Serpentia, Linn. Syit. Nat. p. 1 163. 



I can perceive no difference between the Maltese Miocene shell 

 and those which occur in the Mediterranean. Dr. Adams informs 

 me that the shell under notice is found (although rarely) in the 

 "Calcareous Sandstone" (4). In Piedmont and Tuscany it 

 occurs in the middle and upper Miocene, and in the Miocene, 

 Pliocene, and Pleistocene of Sicily. I may also here mention 

 that the Biitish Museum possesses specimens from the Miocene 

 of Gibraltar. 



4. Megerlia truncaia, Lmn. sp. I'l. I. fig. 10. 

 Andmia fnmca/o, linn. Sjst. Nat. p. 1152. 



This species occurs along with Araiope decollata in the upper- 

 most bed of the " Upper Limestone (1) as well as in the " Sand- 

 bed " (2) in the island of Malta, and is also found recent in the 

 Mediterranean. 



M. truncata is a common species in the middle and upper 

 Miocene as well as in the Pliocene and Pleistocene of Italy and 

 Sicily. It occurs also in the Miocene of Gibraltar. 



5. Argiope decollata, Chemnitz, sp. PI. I. tigs. 11,12. 



Anomia decollata, Chemniti, Conch. Cab. vol. viii. p. 1)6, pi. 78. fig. 705, 



a to d. 

 Anomia detruncata, Gmelin. 



Perfectly characterized specimens, agreeing with the recent 



species now living in the Mediterranean, occur along with Me- 



lerlia truncata, in the " Uppermost Limestone" (1 b) and " Sand- 



jed" (2) of the Island of Malta. It is evidently the species 



named Orthis detruncata by Prof. E. Forbes in his " Note on the 



i 



