PLATE XXX. 107 
LINGULELLA ? (LINGULEPIS?) sQuaMosa (Holl) (p. 559). 
Fieure 9. Ventral valve from Locality 304g, Upper Cambrian Hollybush sandstones, Malvern Hills, England. Copied 
from Davidson’s figure [1866, Pl. II, fig. 7] of Lingula squamosa. 
LINGULELLA (LINGULEPIS?) prema (Salter) (p. 556). 
Figure 10. Ventral? valve from Locality 304f, Upper Cambrian ‘‘ Black shales,’’ Malvern Hills, England. Copied 
from Salter [1865, figs. 8a—b, p. 101). 
LINGULELLA SIGNATA (Barrande) (p. 532). 
Ficure 11. Dorsal? valve from Locality 303c, passage beds between the Upper Cambrian and Ordovician near Hof, 
Bavaria. Enlarged one-third. Copied from Barrande [1868a, fig. 73]. 
LINGULELLA? HUMILLIMA (Barrande) (p. 507). 
Figure 12. Dorsal valve from Locality 303c, passage beds between the Upper Cambrian and Ordovician near Hof, 
Bavaria. Enlarged one-third. Copied from Barrande [1868a, fig. 70]. 
LINGULELLA sp. undt. a Walcott (p. 541). 
Figure 13. Dorsal valve from Locality 310k, Upper Cambrian limestone on Oeland Island, Sweden. U.S. Nat. Mus. 
Cat. No. 51749a. 
LINGULELLA LINNARSSONI (Walcott) (p. 516). 
Fieure 14. Ventral valve, the type specimen, with the outer shell partly exfoliated. U.S.Nat. Mus. Cat. No. 35257a. 
14a. Enlargement of the exterior surface on the anterior portion of a ventral valve. U.S. Nat. Mus. Cat. No. 
35257b. 
The specimens represented are both from Locality 320n, Middle Cambrian limestone at Lovened, Djupadal, 
Province of Skaraborg, Sweden. 
LINGULELLA AGNOSTORUM (Wallerius) (p. 476). 
Ficure 15. Ventral valve greatly enlarged, and longitudinal outline of valve, from Locality 310i, passage beds between 
the Middle and Upper Cambrian, at Borgholm, Oeland Island, Sweden. U.S. Nat. Mus. Cat. No. 
51747a. 
Oxso.us ? zoppr Walcott (p. 422). 
Ficure 16. Ventral valve, the type specimen, from Locality 354f, Middle Cambrian sandstone near Canal Grande, on 
the road to Punta Pintau, Sardinia, Italy. Copied from Bornemann [1891, Pl. XIX, fig. 17a]. 
16a. Dorsal valve associated with the shell represented by figure 16. Copied from Bornemann [1891, Pl. XIX, 
fig. 16]. 
16b. Side view of the shell represented in figure 16. Copied from Bornemann [1891, Pl. XIX, fig. 17b]. 
OBOLUs ? MENEGHINII Walcott (p. 403). 
Figure 17. A small exfoliated ventral valve, the type specimen, from Locality 354c, Middle Cambrian sandstone at 
Punta Pintau (Canal Grande), Sardinia. Copied from Bornemann’s figure [1891, Pl. XIX, fig. 14a] of 
Lingula petalon. 
17a. A large ventral valve from Locality 354e, Middle Cambrian shale at Porto Canal Grande, Sardinia. 
Copied from Bornemann’s figure [1891, Pl. XIX, fig. 18] of Obolella sp. 
LINGULELLA BORNEMANNI (Walcott) (p. 483). 
Ficures 18, 18a, and 18b. More or less distorted and compressed ventral valves from Locality 354, Middle ? Cambrian, 
Canal Grande, Sardinia. 
Figures 18, 18a, and 18b are copied from Bornemann’s figures [1891, Pl. XIX, figs. 10a, 4, and 8, respectively] of 
Lingula attenuata. Figure 18 represents the type specimen. 
Fieure 18c. Dorsal ? valve from Locality 354, Middle ? Cambrian, Canal Grande, Sardinia. Copied from Bornemann’s 
figure [1891, Pl. XIX, fig. 7] of Lingula attenuata. 
