448 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 64 



DESCRIPTION OF PLATE 63 



PAGE 



Asaphiscus (Blainia) glabra Walcott 394 



Figs. i,ia. (X i-5-) Dorsal and side views of a convex cranidium. 



U. S. National Museum, Catalogue No. 62804. 

 lb, lb'. (Natural size.) Dorsal and side views of a large, partially 



exfoliated pygidium. U. S. National Museum, Catalogue 



No. 62805. 

 ic, ic'. (X 3-) Dorsal and side views of a small pygidium. U. S. 



National Museum, Catalogue No. 62806. 

 id, id'. (X2.) Dorsal and side views of a natural cast of the 



interior of the test of a pygidium. U. S. National Museum, 



Catalogue No. 62807. 

 le. (Natural size.) Fragment of a thoracic segment. U. S. Na- 

 tional Museum, Catalogue No. 62808. 



The specimens represented by figs, i, la-e were associated in a 

 block of the Maryville limestone at locality 107X, Upper Cambrian: 

 II miles northwest of Knoxville, Tennessee. 



Asaphiscus ? anaxis Walcott 392 



Figs. 2,2a. (X2.) Dorsal view and side outline of a broken cra- 

 nidium. U. S. National Museum, Catalogue No. 62809. 



The specimen represented by fig. 2 is from locality 119, Upper 

 Cambrian: Maryville limestone; 1.5 miles southeast of Morristown, 

 Hamblen County, Tennessee. 



Asaphiscus ? sp. undt. (2) 39i 



Figs. 3, 3a. (Natural size.) Dorsal and side views of pygidium. U. S. 

 National Museum, Catalogue No. 62810. From locality 119, 

 see fig. 2. 



Asaphiscus (Blainia) elongatus Walcott 393 



Fig. 4. (Natural size.) Dorsal view of the type cranidium. U. S. 

 National Museum, Catalogue No. 6281 1. 

 4a. (Natural size.) A nearly entire cranidium. U. S. National 



Museum, Catalogue No. 62812. 

 5,5a. (Natural size.) Dorsal and side views of a large pygidium 

 associated with the specimens represented by figs. 4, 4a. 

 U. S. National Museum, Catalogue No. 62813. 



The specimens represented by figs. 4, 4a, 5, Sa are attached to the 

 outer surface of siliceous nodules that are embedded in a dark 

 argillaceous shale of the lower Conasauga formation : Middle Cam- 

 brian : (90X) 3 miles east of Center, near Blaine, Cherokee County, 

 Alabama. 



