PATE, XeXvi, 93 
LINGULELLA FRANKLINENSIS (Walcott) (p. 501). 
Freure 3. Somewhat crushed ventral valve, the type, from which most of the shell has been exfoliated. Locality 87, 
Lower Cambrian limestone near Highgate Falls, Franklin County, Vermont. U.S. Nat. Mus. Cat. 
No. 27318a. 
3a. Dorsal (?) valve from the locality represented by figure 3, preserving the outer surface. This may be, how- 
l ever, a distorted ventral valve. U.S. Nat. Mus. Cat. No. 27318b. 
3b. Largest ventral valve in the collection. Locality 28a, Middle ? Cambrian, near Parker’s quarry, Georgia, 
Vermont. U.S. Nat. Mus. Cat. No. 52454a. 
LINGULELLA INO (Walcott) (p. 507). 
Fieure 4. Cast of the interior of a ventral valve, the type specimen, showing somewhat imperfectly the visceral 
cavity and main vascular sinuses. U.S. Nat. Mus. Cat. No. 2732la. 
4a. Ventral valve preserving a portion of the shell, showing the area, pedicle groove, and flexure lines very 
clearly. U.S. Nat. Mus. Cat. No. 27321b. 
4b. Cast of the interior of a dorsal valve, showing a relatively large area and portions of the shell adhering to the 
cast. U.S. Nat. Mus. Cat. No. 27321c. 
The specimens represented are all from Locality 18b, Middle Cambrian sandstones northeast of Rhea Springs, 
Roane County, Tennessee. 
