“Explicatio Figurarum. 
‘ Tab. II. Fig. 1, a, Orthis zonata, valva major, retusa; b, eadem, valva minor; c, d, e, eadem species a 
basi et a lateralibus visa. 
Fig. 2, Orthis callactis a. 
Fig. 3, a, b, c. d: Orthis calligramma. 
Fig. 4, a, b, c, d, Orthis testudinaria; — 4, e: sulci cum striis, inagn. auct. 
Fig. 5, a, b, c, d, e : Orthis basalis. 
Fig. 6, a, b, c, d : Orthis elegantula; — 6, e : hujus speciei valva major intus visa; 6, f: valva 
minor intus visa; g, valva minor a basi visa, ut repraesententur dentes cardinales. 
Fig. 7, a, b, c, d: Orthis demissa.” 
