NEWTON: LOWER TEKTIARr MOLLUSCA OF THE FAYUM. 73 



Family NATICID^. 

 Ampdllina longa, Bellardi, sp. { = Natica spirata, Fraas ; N. atmnonis, 



Blanckenhorn). 

 A. siGARETiNA, Laiuarck, sp. 

 *Neverita Cleopatra, Oppenheim. 

 Naticina ^gyptiaca, Oppenheim. 

 N. DEBiLis, Bayan, sp. 



Family AMPULLARIID^. 



Lanistes antiquus, Blanckenhorn { = L. Bolteni, Mayer-Eymar, 7ion 

 Chemnitz ; Ampullaria subcarinata, Bellardi, non G. B. & J. 

 Sowerby). 



Family MELANIID^. 



^Bayania stygis, Brongniart, sp. {=^ jildania melaniceformis, Bayan). 

 DiASTOHA cosTELLATUJr, LamuTck, sp. { = M. costellata, var. Honcana, 

 Brongniart; If. elongata, De Gregorio). 



Family CERITHIID^. 



Cerithium LAMELLOSujr, Bruguiere. 

 Potamides Fajumensis, Oppenheim. 

 P. Oreng^ (Vidal), Cossmann. 



Family APORBHAID^. 

 Aporrhais Artini, Mayer-Eymar, sp. 



Family STROMBID^. 



BiMELLA (?) ^GYPTiACA, Oppenheim. 



Pereir^a Beyrichi, Mayer-Eymar. 



Terebellum soPii'UM, Solander, sp. { = T. convolulum, Lamarck). 



Family CASSIDID^. 



Cassis Nilotica, Bellardi (= Cassis tricarinata, Fraas). 

 C. ^gyptiaca, Oppenheim. 



Family PYRULID^. 



*Pyrula Rai, Oppenheim (= ? F)/niIa nexilis, Bellardi; Ficula 

 irtcarmata, Mayer-Eymar). 



Family LAMPUSID^ ( = Tritonidfe). 

 LAiiPusiA ( = Tritoni[jm) cf. YiPEiirNA, Lamarck. 



Family BUCCmiD^. 

 *Latrunculcs Stromeri, Oppenheim. 



Family FUSIDiE. 

 Clavalithes lonGjEvus, Solander, sp. { = Fusi(s scalaris, Lamarck). 

 C. GONIOPHORUS, Bellardi, sp. 

 *C. spiNosus, Mayer-Eymar. 

 C. NoiE, Chemnitz, sp. 



