1865.] 



JAMIESON LASI CHANGES IN SCOTLANB. 



203 



List of Shells (continued). 



13 



14 



Species. 



A few fragments . . 



One fragment . . . 



Broken pieces very 



Buccinum undatum, Linn. 



Cardium echinatum, Linn. 



Cyprina Islandica, Linn. 



common 



Littorina litorea, Linn. Six, more or less broken . 



Littorina squalida, Brod. Sf Sow. One .... 



Mya truncata, Linn. Two liinge-pieces .... 



Natica afiinis, Ginelin, =N. clausa, Brod. Sf Soto. 

 One small specimen 



Pecten Islandicus, Midler. Many fragments 



Tectura virginea, Midler. One smaU imperfect speci- 

 men 



Trophon clathratus, Linn. Two specimens, not very 



Trophon truncatus, Strom. One 



2« 



H g 





Per cent. 



British 71-4 



Southern 50-0 



Arctic 100*0 



N. E. American 92-8 



N. Pacific 14-2 



5. Shells of the old estuarine heels of the East of Scotland. 

 Glacial. (See page 188.) 



Post- 



Ythan, Aberdeen, Montrose, 

 Montrose (Bev. H. 



Cardium edule, Linn. 

 Forth . . . . , 



Cylichna obtusa, Montagu. 

 Mitchell) 



Fusus antiquus, Linn. Forth. One specimen . . 



Hydrobia idvse, Pennant. Tthan, Montrose, Forth 

 = Eissoa ulvse, F. ^ IT. 



Littorina htorea, Linn. Ythan, Aberdeen, Mont- 

 rose, Forth 



Mytilus edulis, Linn. Aberdeen, Forth .... 



Ostrea eduhs, Linn. Forth 



Scrobicularia piperata, Omelin. Spynie, Ythan, 

 Aberdeen, Montrose, Forth 



Telhna Balthica, Linn. Ythan, Aberdeen, Mont- 

 rose, Forth 



Per cent. 



British 100-0 



Southern lOO'O 



Arctic 66-6 



N. E. American 44'4 



N. Pacific 11-1 



