104 Bartsch A New Latidshell from California. 



half, marked by many microscopic, subspirally arranged, elongate-oval 

 papillae. Post-nuclear whorls four and one-half, well rounded, some 

 what inflated, marked by fine irregular lines of growth and a few minute 

 scattered papillae. Sutures very distinct. Last whorl strongly deflected, 

 the summit falling halfway between the dark spiral band and the base 

 of the columella; slightly constricted behind the fairly well devel 

 oped and somewhat reflected peristome. Columella obliquely curved, 

 much expanded and decidedly reflected at the base where it almost con 

 ceals the umbilicus. Aperture large, oblique, rounded. 



The type, number 170,007, United States National Museum Collection, 

 measures: maj. lat., 23.5; min. lat., 18.5; alt., 15.5; aperture, maj. lat., 

 14; min. lat., 12.7 mm. 



