74 PROCEEDINGS OF THE ACADEMY OF [1895. 



Clavilithes (Papillina) dumosus Con., var. trapaquarus nov. var. PL 8, fig. 1. 

 Fusus {Papillina} dumosus Harris, La. Exp. Sta., 1892. Eept. on the Hills of 

 La., p. 29. 



This is a heavier, more solid form than the typical dumosus; it has 

 about two more spines on the body whorl and has a smaller apex. 



Localities. Brazos River, 1 mile below Milam-Burleson County 

 line; near itcBee School-house, Cherokee Co.; Alum Bluff, Trinity 

 River, Houston Co.; 5 miles west of Crockett, Houston Co. ; Hurri- 

 cane Bayou, Marsters' Survey, near Crockett, Collier's Ferry, Bra- 

 zos River, Burleson Co. ; north of College, Crockett, Houston Co. ; 

 Dr. Collard's farm, Sparks Headright, Brazos Co. In Louisiana, 

 near Mt. Lebanon, Bienville Parish. 



Geological horizon. Lower Claiborne Eocene. 



Type. Texas State Museum. 



Genus CHBYSODOMUS. 

 Ghrysodomus parbra^ana nov. sp. PI. 7, fig. 9. 



Specific characterization. General size and form as indicated by 

 the figure; whorls 6; spiral whorls smooth, with a faint subsutural 

 spiral line ; body whorl ornamented with the subsutural line and 

 about ten basal spiral lines ; outer lip sharp edged, lirate within. 



Locality. Little Brazos River, near iron bridge, on Mosley's 

 Ferry road. 



Geological horizon. Lower Claiborne Eocene. 



Type. Texas State Museum. 



Genus ASTYRIS. 

 Astyris bastropensis nov. sp. PI. 8, fig. 2. 



Specific characterization. General form and size as indicated by 

 the figure; whorls 10; 1, 2, 3 smooth and polished; 4 costate; 

 5-9 smooth and polished, sometinles one spiral line at base of 8 and 

 9 ; body whorl smooth above the upper terminus of the aperture, 

 strongly striate below. 



The general outline of the shell is strikingly like that of Turricula 

 polita. 



Locality. Smithville, Bastrop Co,, Tex. 



Geological horizon. Lower Claiborne Eocene. 



Type. Texas State Museum. 



Genus MTJREX. 

 Murex fusates nov. sp. PI. 8, fig. 5. 



Specific characterization. Size and general form as indicated by 

 the figure ; whorls 8 ; 1, 2, 3, 4 smooth and polished, very small ; 



