ZONITES. 183 



H. CRUENTATA, Griiilding. PI. 54, fig. 20. 



Perforate, much depressed, plicatulate, corneous amber- 

 colored, spire somewhat plane, suture margined ; whorls 5, 

 scarcely convex, the last much wider, impressed around the 

 perforation. Piain. 8'5 mill. 



Ins. St. Vincent-, W. I. 



Differs from the preceding in the more marked striae and 

 margined suture. 



H. SELENKAT, Pfr. PL 54, fig. 27. 



Imperforate, trochiform, very thin, very lightly striulate, 

 shining, pellucid, corneous hyaline, suture impressed ; whorls 

 6, slightly convex, slowly increasing, the last not descending, 

 peripheiy angulate, base convex. Diam. 5 mill. 



Mirador, State of Vera Cruz, Mexico. 



H. ELEGANS, Strebel. PI. 54, figs. 28-30. 



Imperforate, higher, with more convex outline and less dis- 

 tinct peripheral angle than H. Selenkai ; whorls 7, somewhat 

 translucent, light brownish horn color. 



Mirndor, Vera Cruz, Mexico. 



H. TEOCHULINA. Moivlet (un(igured). Guatemala. 



Suhgoniis OMPIIALINA, Rafinesque, 1819. 



Section OMPIIALTNA (restricted). 



H. CAPNODES, W. G. Binney. PI. 55, figs. 28, 29. 



Olive, brownish or smoky horn-color, wrinkled striate above, 

 smoother below, suture moderate ; whorls 5, rapidly increasing, 

 obliquely flattened, last whorl very ventricose and large, some- 

 times with coarse revolving lines, aperture large, light oliva- 

 ceous, umbilicus moderate and deep. Diam. 35 mill. 



N. Alabama, E. Tennessee, W. Georgia, 



N. Carolina, and W. Virginia. 



A mountain species of the Cumberland subregion. Fig. 28 

 represents a form more globose than the type. First described 

 as H. Kopnodes. 



H. FRTABILIS, W. G. Bin nej'. PI- 55, n o- 30. 



Very narrowly umbilicated, very globose, transparent, fragile, 

 thin (thicker in Texas specimens), shining, corneous or brown- 



