﻿Il6o SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 12J 



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 men, X i, hypotype, 117315b; (28-32) respectively posterior, anterior, pedicle, 

 side, and brachial views, X 2, of the preceding specimen. 



Wardell part of Dryden formation (Hesperorthis bed), Lloyd Carter's barn, 

 0.8 mile by road northeast of the school at Rye Cove, Clinchport (T.V.A. 

 188-NW) Quadrangle, Va. 

 (15-18) Respectively pedicle, side, brachial, and posterior views of a complete 

 specimen, X 2, hypotype, 117319a; (26) brachial view, X I, of the same specimen 

 as preceding. 



Ridley formation (lower), 1 mile west of the courthouse in Murfreesboro, 

 Murfreesboro (15') Quadrangle, Tenn. 

 (19) Brachial exterior of a complete specimen, X 1, hypotype, H73i7d; (20-23) 

 respectively posterior, brachial, pedicle, and anterior views, X 2, of the preced- 

 ing; (24, 25) posterior and brachial views of a specimen larger than the preced- 

 ing, X 2, hypotype, 117317a. 



Ooltewah formation, west side of Missionary Ridge, Chattanooga, Chatta- 

 nooga (15') Quadrangle, Tenn. 



D. Fascifera dalmanelloidea Cooper, new species 999 



(33-37) Respectively pedicle, brachial, side, anterior, and posterior views of a 

 complete specimen, X 2, holotype, 117305a; (38) brachial view of another com- 

 plete specimen, X I, paratype, 117305b; (39) pedicle view of the preceding speci- 

 men, X 2, partially exfoliated at the beak and showing the position of a dental 

 plate. 



Bromide formation (Mountain Lake member — upper cystid bed), west side of 

 Mountain Lake, E^ sec. 22, T. 2 S., R. 1 W., Carter County, Okla. 



(40, 41) Brachial and pedicle view of a complete specimen, X 1, paratype, 117306a; 

 (42) brachial view, X 2, of preceding; (43) pedicle interior, X 2, showing form 

 of muscle area and bowed-out dental plates, paratype, H7307d; (44) brachial 

 interior showing cardinal process and brachiophore supports, X 3, paratype, 

 II 73°7b; (47) brachial interior, X 2, same as preceding showing cardinal 

 process; (45) brachial interior tilted to the side to show fulcral plates and 

 brachiophore supports, X 3, paratype, 117307a; (46) same as preceding in normal 

 view, X 2, showing the brachiophore supports. 



Bromide formation (Mountain Lake member — Platycystites bed), Spring 

 Creek, sec. 17, T. 2 S., R. 1 W., Murray County, Okla. 



E. Fascifera dalmanelloidea Cooper, new species 999 



(48-50) Brachial, pedicle, and side views of a complete specimen, X 2, paratype, 

 117304c; (51) brachial view, X I, of same; (52) interior of an imperfect brachial 

 valve, X 2, showing brachiophore supports, paratype, 117304a; (53) another 

 brachial interior, X 2, paratype, 1 I7304d. 



Bromide formation (Mountain Lake member), 10 to 12 feet below the top of 

 the purple and green shale in the cut on Oklahoma Highway 18, 1.8 miles south 

 of Sulphur, Murray County, Okla. 



Plate 154 



PlONODEMA 



A. Pionodema circularis (N. H. Winchell) 987 



(1-5) Respectively pedicle, posterior, side, anterior, and brachial views of a com- 

 plete specimen, X I f hypotype, 1 17323. 



Decorah formation (Ion member), St. Paul, Minn. 



B. Pionodema circularis (N. H. Winchell) 987 



(6) Brachial view of a complete specimen, X 1, hypotype, 48683; (7-11) respec- 



