7-9. 
17, 18. 
322 
EXPLANATION OF PLATE XII. 
TURBINOPSIS PLICATA whiff. (p. 104). 
. Two views of a specimen showing the features of the species. Acad. Nat. Sci., Phila. 
TURBINOPSIS CURTA Whitf. (p. 102). 
. Two views of a small cast showing the short spire. 
. Views of a larger specimen. Acad. Nat. Sci., Phila. 
TuRBINOPSIS HitGarp1 Conrad. ? (p. 100). 
Views of three imperfect casts referred to this species. 
TURBINOPSIS ELEVATA Whitf. (p. 102). 
. Two views of an imperfect cast. 
. An imperfect cast showing the isolated spots on the columella. 
. Views of a more slender cast. All from the Acad. Nat. Sci., Phila. 
TURBINOPSIS MAJOR Whitf. (p. 103). 
. Two views of a small specimen. 
. Three views of a large cast. 
TURBINOPSIS ANGULATA Whitf. (p. 101). 
Two views of a cast showing the specific features. 
MOREA NATICELLA Gabb (p. 97). 
. Two views of the type specimen. Acad. Nat. Sci., Phila. 
CANCELLARIA (MERICA) SUBALTA Conrad (p. 95), 
. View of the shell somewhat restored. 
. Enlargement from the columellar lip. Acad, Nat, Sci., Phila. 
