Fig. la, 
Fig. 16. 
Vig. le. 
grammatic. 
Fig. 
Vig. 
Vig. 146. 
rachidian. 
Vig. 14c. 
marginal. 
Fig. 14d. 
145 
EXPLANATION OF PLATE XXVI. 
Cadulus acuminatus, Tate, rachidian, from the back. 
Cadulus acuminatus, Tate, rachidian, from the front. 
Cadulus acuminatus, Tate, rachidians, side view ; dia- 
Cadulus acuminatus, Tate, lateral. 
Cadulus acuminatus, Tate, marginal. 
Cadulus acuminatus, Tate, young. 
Cadulus acuminatus, Tate, adult. 
Cadulus acuminatus, Tate, adult, turned round. 
Cassidea sinwosa, Verco, profile. 
Cassidea sinuosa, Verco, ventral view. 
Cassidea sinwosa, Verco, protoconch. 
. Cassidea stmuosa, Verco, marginals. 
- Cassidea sinuosa, Verco, lateral. 
. Cassidea sinuosa, Verco, rachidian. 
Stephopoma nucleogranosum, Verco, adult. 
Stephopoma nuclesgranosum, Verco, young. 
Stephopoma nucleogranosum, setee trom operculum. 
. Dentalium intercalatum, Gould, var. Bednalli, Pilsbry, 
Dentalium intercalatun., Gould, var. Bednall2, Pilsbry, 
Dentahum intercalatum, Gould, var. Bednatl, Pilsbry, 
Liopyrga octona, Tate, last marginal. 
Liaopyrga octona, Tate, first marginal. 
Cancellaria pergradata, Verco. 
Nacella crebrestriata, Verco, side view. 
Nacella crebrestriata, Verco, dorsal view. 

