﻿IO98 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 12? 



Page 

 Ridley formation, cut on U. S. Highway 27, 4.2 miles north of Rock Spring, 

 Kensington (T.V.A. 106-SE) Quadrangle, Ga. 



Plate 89 



MlMELLA 



A. Mimclla globosa ( Willard) 472 



(1-4) Respectively brachial, pedicle, posterior, and side views of specimen with 

 well-preserved ornamentation, X I, hypotype, n704of; (5-8) respectively pedicle, 

 side, anterior, and posterior views of an exceptionally large specimen, X 1, 

 hypotype, H704oi; (11, 12) respectively X 1 and X2 enlargements of a very 

 perfect pedicle interior showing details of pallial marks, hypotype, 117040c; 

 (13, 14) respectively X 1 and X 2 enlargements of another well-preserved 

 pedicle valve, hypotype, ii704od. 



Benbolt formation (upper), 0.1 to 0.2 mile north of the road, 1.1 miles north- 

 east of Lee Valley, Lee Valley (T.V.A. 171-NW) Quadrangle, Tenn. 



(9, 10) Respectively X 1 and X 2 enlargements of a brachial valve showing details 

 of the cardinalia, hypotype, 117038b. 



Benbolt formation, roadside i mile southwest of New Bethel Church, Hilton 

 (T.V.A. 197-NW) Quadrangle, Va. 



B. Mimella tumida Cooper, new species 485 



(15-19) Respectively brachial, anterior, side, pedicle, and posterior views of a 

 small specimen, X 1, paratype, 11 0739. 



Lincolnshire formation (Hogskin member), on the Maynardville Pike, 1.7 

 miles north of Hall Crossroad, Fountain City (T.V.A. 146-SW) Quadrangle, 

 Tenn. 

 (20-23) Respectively posterior, pedicle, side, and anterior views of a large speci- 

 men, X 1, holotype, 110714. 



Lincolnshire formation (Hogskin member), $ mile southwest of Washburn, 

 Dutch Valley (T.V.A. 154-SE) Quadrangle, Tenn. 



Plate 90 

 Mimella 



A. Mimella extensa Cooper, new species 470 



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

 plete specimen, X I, paratype, 117037a; (6-8) respectively side, pedicle, and 

 anterior views of another complete specimen, X I, holotype, 117037c; (9-13) 

 respectively brachial, pedicle, anterior, posterior, and side views of a perfect 

 specimen, X 1, paratype, 117037b; (14, 15) respectively Xi and X2 enlarge- 

 ments of the pedicle interior, paratype, U7037d. 



Bromide formation (Mountain Lake member), road cut on Oklahoma High- 

 way 99, S WiNWiS Wi sec. 12, T. 1 N., R. 6 E., 3 miles south of Fittstown, 

 Pontotoc County, Okla. 



B. Mimella intermedia Cooper, new species 476 



(16-20) Respectively brachial, anterior, side, posterior, and pedicle views of a com- 

 plete specimen, X I, holotype, 117044b. 



Whistle Creek formation, on Whistle Creek, i^ miles northwest of Lexington, 

 Lexington (15') Quadrangle, Va. 



C. Mimella laticardinia Cooper, new species 477 



(21-23, 25) Respectively pedicle, side, posterior, and brachial views of a large com- 

 plete specimen, X 1, holotype, 110709a; (24) anterior view of a complete speci- 



