450 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 64 



DESCRIPTION OF PLATE 64 



PAGE 



Blountia alethes Walcott 397 



Figs, i, io. (X2.) Dorsal view and side outline of the type cranidium. 

 U. S. National Museum, Catalogue No. 62821. 

 ih,\b'. (X2.) Pygidium and side outline associated with the 

 cranidium represented by fig. i. U. S. National Museum, 

 Catalogue No. 62822. 

 ic. Natural size view of \b. 



The specimens represented are from locality 123b, Upper Cam- 

 brian: Maryville limestone; Rogersville, Hawkins County, Ten- 

 nessee. 



Blountia andreas Walcott 39'^ 



Figs. 2, 2'. (X 3-) Dorsal view and side outline of the type cranidium. 

 U. S. National Museum, Catalogue No. 62823. 

 The specimen represented is from locality 102a, Upper Cambrian : 

 Maryville limestone; 1.25 miles east of Rogersville, Hawkins 

 County, Tennessee. 



Blountia aniage Walcott 39^ 



Figs. 3, 3'. (X 4-) Dorsal view and side outline of the type cranidium. 

 U. S. National Museum, Catalogue No. 62824. 

 3a. (X2.) Pygidium associated with the cranidium represented 

 by fig. 3. U. S. National Museum, Catalogue No. 62825. 

 The specimens represented are from locality 107, Upper Cam- 

 brian : Conasauga formation (Maryville limestone) ; 11 miles north- 

 west of Knoxville, Tennessee. 



Maryvillia arion Walcott 4^0 



Figs. 4, 4'. (X 2.) Dorsal view and side outline of the type cranidium. 

 U. S. National Museum, Catalogue No. 62826. 

 40,40'. (Natural size.) Dorsal view and side outline of pygidium 

 associated with the cranidium fig. 4. U. S. National Mu- 

 seum, Catalogue No. 62827. 

 4b. Natural size view of fig. 4. 



4c. (Natural size.) A small pygidium. U. S. National Museum, 

 Catalogue No. 62828. 

 The specimens represented are from locality 123b, Upper Cam- 

 brian: Maryville limestone; Rogersville, Tennessee. 



Maryvillia ariston Walcott 401 



Figs. 5, 5'. (X i-5-) Dorsal view and side outline of the type cra- 

 nidium. U. S. National Museum, Catalogue No. 62829. 

 5a. (Natural size.) Pygidium associated with the cranidium fig. 

 5. U. S. National Museum, Catalogue No. 62830. 

 The specimens represented are from locality 120, Upper Cam- 

 brian: Maryville limestone; north of Bays Aiountain, 2 to 3 miles 

 south of New Market, Jeflferson County, and 18 miles east-northeast 

 of Knoxville, Tennessee. 



