PLATE XLV. 149 
LINGULELLA (LINGULEPIS) PUMILA (Matthew) (p. 556). 
Fiaure 3. Exterior of ventral valve, the type specimen. University of Toronto, Canada. 
3a. Exfoliated dorsal valve, showing muscle scars. University of Toronto, Canada. 
Figures 3 and 3a are drawn from the specimens illustrated by Matthew [1903, Pl. VII, figs. 5a and 5b, respectively]. 
The specimens represented are both from Locality 344f, Middle Cambrian, shales of the Coldbrook of Matthew, on Dugald 
Brook, Cape Breton, Nova Scotia. 
