324 T. E. SAVAGE ALEXANDRIAN ROCKS OF ILLINOIS AND WISCONSIN 



Plate 16. — Fossils from the Alexandrian Rocks 



Figure 1. — Schuchertella pecten var. roousta n. var. 



Ventral view of a nearly entire specimen. Kankakee limestone, 

 Oswego, Illinois. 



Figures 2 and 3. — Glorinda transversa n. sp. 



Dorsal and ventral views of a nearly entire cast',' the type 

 specimen. Kankakee limestone, Grafton. Illinois. 



Figure 4. — Stricklandinia eireularis n. sp. 



Dorsal view of a nearly complete specimen. Kankakee lime- 

 stone, Oswego, Illinois. 



Figure 5. — Stricklandinia breviuscula n. sp. 



Dorsal view of an entire specimen. Kankakee limestone, near 

 Channahon, Illinois. 



Figure 6. — Stricklandinia pyriformis var. varicosa n. var. 



Ventral view of a cast of the interior; type specimen. Kanka- 

 kee limestone, Elgin, Illinois. 



Figure 7. — Stricklandinia, pyriformis var. elongata n. var. 



Dorsal view of an internal cast. Kankakee limestone, Elgin, 

 Illinois. 



Figures 8 and 9. — Stricklandinia pyriformis n. sp. 



Dorsal and ventral views of a nearly entire shell ; the type 

 specimen. Kankakee limestone, Hamburg. Illinois. 



Figure 10. — Stricklandinia pyriformis n. sp. 



View of ventral valve of a young shell. Kankakee limestone, 

 along Kankakee River, 5 miles south of Richey, Illinois. 



Figures 11 and 12. — Platymcrella manniensis (Foerste). 



Ventral and dorsal views of nearly complete specimens ; after 

 Foerste. 



Plate 17. — Fossils fronv the Alexandrian Rocks 



Figures 1 and 2. — Virgiana oarrandei var. major n. var. 



Ventral and dorsal views of an internal cast of large size. 

 Upper part of Mayville limestone, Marblehead, Wisconsin. 



Figures 3, 6, and 7. — Virgiana oarrandei var. mayvillensis n. var. 



Dorsal, lateral, and ventral views of an internal cast; the type 

 specimen. Upper part of Mayville limestone, near Mayville, 

 Wisconsin. 



Figures 4 and 5. — Virgiana barrandei var. mayvillensis n. var. 



Ventral view of internal casts of two other shells. Upper part 

 of Mayville limestone, near Mayville. Wisconsin. 



Figure 8. — Eurypterus pumilus n. sp. 



View of ventral surface of the type specimen. Natural size. 

 Edgewood (Essex) limestone, near Essex, Illinois. 



