412 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 57 



DESCRIPTION OF PLATE 70 



PAGE 



Calvinella osarkcnsis Walcott 389 



Figs, i and \a. (X 2.) Dorsal and side views of large cranidium. 

 U. S. National Museum, Catalogue No. 58674. 

 2 and 2a. (Natural size.) Dorsal and side views of a large 

 broken pygidium. U. S. National Museum, Catalogue No. 

 60055. 

 3. (Natural size.) Anterior portion of a cranidium with a slightly 

 more convex frontal border than the specimen represented 

 by fig. I. U. S. National Museum, Catalogue No. 60056. 



4 and 4a. (X 3-) Dorsal and side views of a small cranidium that 



is probably the young of this species. U. S. National 

 Museum, Catalogue No. 58675. 



5 and 5a. (X 2.) Dorsal and side views of a small pygidium 



from same rock as the cranidium represented by fig. 3. 

 U. S. National Museum, Catalogue No. 58677. 

 6. (X 3-) Dorsal view of a small cranidium from a little higher 

 horizon in the Eminence formation than the other speci- 

 mens illustrated. U. S. National Museum, Catalogue No. 

 58676. 



The specimens represented by figs. 1-5 are from Lower or Middle 

 Ozarkian localities in the vicinity of Eminence, Shannon County ; 

 fig. 6 is from Flat River, St. Francis County, both in Missouri. 



Calvinella newtouensis (Weller) 389 



Fig. 7. (X 2.) Cranidium with free cheek. 



8. (X 2.) Type specimen of the cranidium of this species. 



The specimens represented by figs. 7, 8, 11, and no are in the col- 

 lections of the Museum of the State Geological Survey of New 

 Jersey. 



9. (Natural size.) Large cranidium from locality iic, Lower 



Ozarkian : Lower part of Kittatinny limestone, O'Donnell 

 and McManniman's quarry, Newton, Sussex County, New 

 Jersey. U. S. National Museum, Catalogue No. 58678. 



10. (Natural size.) Free cheek associated with the cranidium rep- 

 resented by fig. 9. U. S. National Museum, Catalogue No. 

 58679. 



II and no. (X 2.) Dorsal and side views of pygidium associated 

 with the cranidia represented by figs. 7 and 8. 



Saukia stosei Walcott. ( See pi. 69) 384 



Figs. 12 and 12a. (Natural size.) Matrix and cast from matrix of a 

 crushed pygidium that may possibly be of this species. From 

 locality sgn, Lower Ozarkian (Ulrich) : Conococheague 

 limestone. Quarry at Scotland Station, Franklin County, 

 Pennsylvania. U. S. National Museum, Catalogue No. 

 59680. 



