THIRD SUPPLEMENT TO THE CRAG MOLLUSCA. 



REMAINS OF MoLLUscA 1 FOUND IN THE CRAG OF FELIXSTOWE. 



Gasteropoda. 



Cypraea Europea, Mont. 



avellana, /. Sow., W. 

 Voluta Lamberti, /. Sow., F, D, W. 

 Terebra inversa, Nyst, F, D. 



canalis, S. Wood, E, D. 

 Columbella sulcata, /. Sow., F, W. 

 Cassidaria bicatenata, /. Sow., F, D. 

 Nassa granulata, /. Sow. 



incrassata, Mull. 



consociata, S. Wood, F, D. 



propinqua, /. Sow. 



pygmcea, Lam. 



labiosa, J. Sow., F, D. 



reticosa, J. Sow., W. and mostly F. or 



imperfect. 

 Rostellaria lucida, /. Sow., F, D. 



gracilenta, S. Wood, F, D. 

 Buccinum Dalei, /. Sow. 



undatum, Linn. 

 Purpura lapillus, Linn. 



incrassata, /. Sow. 



tetragona, J. Sow., F, W. 

 Murex tortuosus, /. Sow., F, D. 

 Trophon antiquus, Linn. 



id. var. contrarius. 



alveolatus, /. Sow., F, D. 



costifer, Nyst, F, W. 



altus, S. Wood. 



gracilis, Dacosta. 



muricatus, Mont. 



id. var. exossus. 



Olavii, Beck. 



scalariformis, Gould. 

 Pleurotoma interrupta, Broc., F, D. 



turricula, Mont. 

 1 The absence of a capital letter after the name 



Pleurotoma Trevelyana, Turt. 



scalaris, Moll (one specimen full 



size and perfect), 

 nebula, Mont. 

 costata, Dacosta. 

 Cancellaria scalaroides, S. Wood, F, D. 



(Admete) viridula, Fab (one 



specimen broken). 

 Cerithium tricinctum, Broc., F. 



variculosum, Nyst (one whirl 



only), F,W. 



granosum, S. Wood ? F, W. 

 Aporrhais pespelicani, Linn., F, D. (very 



worn fragments). 

 Turritella incrassata, J. Sow., F. and mostly 



D. 

 Scalaria funiculus, S. Wood, F, D. 



foliacea, J. Sow., F, D. 

 Chemnitzia internodula, S. Wood. 

 Eulima intermedia, Cant., D and W ? 

 Eulimene pendula, S. Wood. 



Lacuna (Eulimene) terebellata, Nyst., D. 

 Rissoa curticostata, S. Wood. 

 Littorina littorea, Linn. 

 Natica catena, Da Costa. 



eaten oides ? S. Wood. 



clausa, Brod. and Sow. 



hemiclausa, /. Sow. 



multipunctata, S. Wood. 

 Vermetus intortus, Lam., D ? 



Trochus cinerarius, Linn., W ? (the speci- 

 mens are all slightly mutilated). 



Montacuti, W. Wood. 



tumidus, Mont. 



zizyphinus, Linn., F, D. 



of a species means that that species is not derivative. 



