Smithsonian miscellaneous collections . .2a. (X2.) Pygidium associated with specimen represented by fig. 2. L. S. National Museum, Catalogue No. (X2.) Associated hypostoma. U. S. National Museum, Catalogue No. (Natural size.) A large associated pygidium. U. S. NationalMuseum, Catalogue No. 62664. (n-)The specimens represented by figs. 2, 2a-b, are from a shaly sand-stone of locality 12b, Middle Cambrian: Rome formation; 12 miles( km.) northeast of Knoxville; and fig. 2c, from the same for-mation (locality 11), i mile ( km.) east of Post Oak Springs,Roane County, both
Smithsonian miscellaneous collections . .2a. (X2.) Pygidium associated with specimen represented by fig. 2. L. S. National Museum, Catalogue No. (X2.) Associated hypostoma. U. S. National Museum, Catalogue No. (Natural size.) A large associated pygidium. U. S. NationalMuseum, Catalogue No. 62664. (n-)The specimens represented by figs. 2, 2a-b, are from a shaly sand-stone of locality 12b, Middle Cambrian: Rome formation; 12 miles( km.) northeast of Knoxville; and fig. 2c, from the same for-mation (locality 11), i mile ( km.) east of Post Oak Springs,Roane County, both in Tennessee. Bathyuriscus sp. undt. (I) 348 Fig. 3. (X2.) Cranidium. U. S. National Museum, Catalo-iue (Natural size.) Pygidium. U. S. National Museum, Cata-logue No. specimens represented by figs. 3 and 2a are from localityi6e, Middle Cambrian: Shales of Conasauga formation; railwaycut I mile ( km.) southwest of Piedmont, Calhoun County, Ala-bama. SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 64, NO. 5, PL. 49. BATHYURISCUS NO. 5 CAMBRIAN TRILOBITES 421 PAGE Bathyuriscus manchuriensis Walcott 344 Fig. 4. (X3.) Pygidium. U. S. National Museum, Catalogue , 4^. (X3-) Cranidia flattened in argillaceous shale. Thesetwo cranidia are on a piece of shale recorded in U. S. Na-tional Museum Catalogue as No. (X3-) Thoracic segment. U. S. National Museum, Cata-logue No. 58272. The specimens illustrated by figs. 4, ^a-ca are from locality 36h,Middle Cambrian: Fu-chou series, argillaceous shales, Liau-tung,Manchuria, China. The above figures are reproduced from plate 23, figs. 2, 2h, and 2cof Cambrian Faunas of China (Carnegie Inst, of Washington, Re-search in China, Vol. 3, 1913). 422 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 64 DESCRIPTION OF PLATE 50 PAGE Bathyuriscus belcsis Walcott 338 Fig. I. (Natural size.) Cranidium compressed in shale. U. S. Na-tional Museum, Catalogue No. la. (Natural size.) Associated free cheek. U. S. Nation
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