﻿IIOO SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 12.J 



Page 



F. Mimella intermedia Cooper, new species 476 



(26-28) Respectively pedicle, side and brachial views of a small specimen, X i, 

 paratype, 1 17043. 



Whistle Creek formation, on U. S. Highway 60, 100 yards southeast of 

 Whistle Creek, 2 miles northeast of Lexington, Lexington (15') Quadrangle, Va. 



G. Mimella sp. 2 4°o 



(29) Pedicle view of the exterior, X 1, of a complete individual, figured specimen, 

 1 1 7057; (30-34) respectively brachial, pedicle, posterior, anterior, and side views, 

 X 2, of the same specimen. 



Tulip Creek formation (152 feet above the top of the basal sandstone), first 

 creek east of U. S. Highway 77, SEiNE^NE* sec. 25, T. 2 S., R. 1 E., Carter 

 County, Okla. 



H. Mimella virginiensis Cooper, new species 487 



(35. 36) Respectively X 1 and X 2 views of an impression of the pedicle interior 

 showing the form of the muscle area, paratype, 1 10694. 



Whistle Creek formation, top of the ridge, 1,000 feet north of the road on 

 Buffalo Creek, 2\ miles due west of Murat, Natural Bridge (15') Quadrangle, 

 Va. 



I. Mimella intermedia Cooper, new species 476 



(37. 38) Impression of the brachial interior in normal view and tilted to show 

 the slots produced by the brachiophore supports and median ridge, X I, para- 

 type, 110703a; (39) small slab showing a pedicle interior impression and a 

 partially exposed brachial interior impression, X 1, paratype, 110703b. 



El way formation, along the road over Marble Bluff, just north of Summit, 

 about 8 miles west-northwest of Loudon, Loudon (30') Quadrangle, Tenn. 



J. Mimella sp. 3 491 



(40) Posterior portion of a large brachial valve, X 2, showing cardinalia, figured 

 specimen, 117058b. 



Lincolnshire formation, just east of Strasburg Junction, Strasburg (15') 

 Quadrangle, Va. 



Plate 92 

 Doleroides, Mimella, Plectorthis, Skenidioides 



A. Doleroides oklahomensis Cooper, new species 461 



(1, 4) Pedicle interiors showing characteristic form of muscle area, X 2, para- 

 types, H7033g, 11703311; (2, 3) brachial interiors, X 2, paratypes, 117033c, 

 117033d. 



Bromide formation (Pooleville member — Oxoplecia gouldi zone), quarry on 

 the east side of Oklahoma State Highway 18, center NW£ sec. 11, T. 1 S., 

 R. 3 E., about 1.8 miles south of Sulphur, Murray County, Okla. 



B. Mimella subquadrata Cooper, new species '. 483 



(5-9) Respectively anterior, posterior, side, brachial, and pedicle views of a nearly 

 complete specimen, X i, holotype, 117050a. 



Bromide formation (Mountain Lake member — Sowerbyites bed), 25 to 46 feet 

 above the basal sand, Spring Creek, sec. 17, T. 2 S., R. 1 W., Murray County, 

 Okla. 



C. Skenidioides elongatus Cooper, new species 494 



(10) Brachial view of a complete specimen, X 1, holotype, 117073a; (11, 14, 16) 

 pedicle, side, and anterior views, X 2, of the holotype; (17) pedicle view of an- 

 other complete specimen, X 1, paratype, 117073b; (12, 13, 15) respectively 

 pedicle, anterior, and posterior views, X 2, of the preceding; (18-22) respec- 



