PLATE XXVL 
Bellerophon Pelops. 
Page 95. 
Fig. 1. Lateral view of a partial cast of a specimen from the Upper Helderberg limestone, at Dublin, Ohio, 
—B. propinqua of F. B. Meek. 
Bellerophon Newberryi. 
Page 97. 
Fig. 2. A specimen preserving the delicate dorsal band. 
Fig. 2a. An enlargement showing the dorsal band, and the transverse and revolving- striae. 
Fig. 3. A specimen in which moderate wearing or exfoliation has obliterated the marks of the dorsal band, 
while the transverse striae are still well preserved. 
Bellerophon hyalina. 
Page 99. 
Fig. 4. An imperfect specimen, natural size. 
Bellerophon brevilineattjs. 
Page 107. 
Fig. 5. An imperfect specimen in which the striae are continued from the umbilicus over the sides of the 
shell, without interruption. 
Fig. 6. An imperfect specimen where the striae are interrupted on the middle of the side of the volution. 
This and the preceding are enlarged. 
Fig. 7. A copy of the figure given by Mr. Conrad, ut. cit. page 107. 
Bellerophon rotalinea. 
Page 115. 
Fig. 8. A lateral view, showing distinct revolving striae, with faint indications of crenulations. 
Bellerophon repertus, n. sp. 
Fig. 9. A dorso-lateral view, showing the depressed mesial band and the evenly cancellating striae of the 
exterior surface. 
Bellerophon pathlus. 
Page 100. 
10. A longitudinal section along the median line, showing an extreme thickening of the columellar lip. 
11. A section of a specimen where the thickened columella is more extreme and slightly different in 
form and extent. The substance has become crystalline. 
12. An enlargement of the dorso-lateral portion of a specimen where the surface shows evidence of 
revolving stria, which are preserved in the furrows between the transverse striae. 
Bellerophon acutilira. 
' Page 106. 
13. An enlargement of the surface, showing the acutely arching striae near the apex of the last volution, 
and the broader curving of the same near the aperture. 
Bellerophon explanatus. 
Page 109. 
Fig. 14. The dorsal side of the last volution, showing the broad expansion of the peristome and its extension 
posteriorly. 
Fig. 
Fia-. 
Fig 
