GASTEllOPODKS. 



281 



Fig. 1879. Fig. 1880. 



C. pjramidalp. C. suhulatum. 



Fig. 188;}. C. breTÎcuhim. 

 TOJIIÎ PREMIER. 



Fig. 1884. C. gigautciira. 



Fig. 1885. C muricoides. 



35 



