﻿1032 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 127 



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 large brachial valve, X 1, holotype, 116777a; (26) part of the ornamentation, 

 X 3, of the holotype. 



Bays formation, 0.2 mile northeast of Fourmile Church, 1.1 miles south-south- 

 east of Wellsville, Tallassee (T.V.A. 139-SE) Quadrangle, Tenn. 



Plate 9 



ACANTHAMBONIA, DlCTYONITES, GLOSSELLA, LlNGULELLA, ObOLUS, 



Palaeoglossa, Torynelasma 



A. Acanthambonia virginiensis Cooper, new species 213 



(1) Exterior view of a brachial valve showing long spines, X 10, paratype, 

 116797c; (2, 4) respectively exterior views of a brachial and pedicle valve, X 10, 

 paratypes, 116797b and n6797d; (3, 6) exterior and interior of a well-preserved 

 brachial valve, X 10, holotype, 116797c; (5) interior of the pedicle valve, X 10, 

 paratype, 116797a. 



Botetourt formation, east side of the road, 0.2 mile east of Strasburg Junction, 

 Strasburg (15') Quadrangle, Va. 



B. Lingulella ? sp. 8 208 



(7, 8) Exterior and interior of a brachial valve, X 5, figured specimen, 1 16779. 

 Pratt Ferry formation, 0.2 mile southeast of Pratt Ferry, Blocton (15') Quad- 

 rangle, Ala. 



C. Torynelasma toryniferum Cooper, new species 258 



(9, 10) Respectively pedicle interior showing the peculiar spoonlike plate and pos- 

 terior view of a pedicle valve, X,io, holotype and paratype, 116825c and 

 n6825d. 



Pratt Ferry formation (lower 3 feet), 0.2 mile southeast of Pratt Ferry, 

 Blocton (15') Quadrangle, Ala. 



D. Dictyonites perforata Cooper, new species 188 



(11, 12) Exterior of imperfect brachial valves showing smooth apical region, 

 X 10, paratypes, 116830b and 116830c; (13) exterior of the pedicle valve show- 

 ing the large homoeodeltidium and cleft apex, X 10, paratype, 116830a. 

 Horizon and locality same as preceding. 



E. Lingulella decorticata Cooper, new species 198 



(14, 15) Exterior of the pedicle and brachial valves of a complete specimen with 

 valves slightly displaced, X 2, holotype, 1 16757. 



Elway formation, i mile east of Belfast Mill, Saltville (T.V.A. 212-NE) 

 Quadrangle, Va. 



F. Obolus ? sp. 3 193 



(16) Exterior of a large and thick-shelled species having strong concentric ele- 

 vated lines, X 3, figured specimen, 1 16791a. 



Pratt Ferry, formation, 0.2 mile southeast of Pratt Ferry, Blocton (15') 

 Quadrangle, Ala. 



G. Palaeoglossa mysticensis Cooper, new species 221 



(17, 18) Exterior of somewhat exfoliated pedicle and brachial valves, X 2, respec- 

 tively holotype, 66285a, and paratype, 66285b; (19) exfoliated brachial valve 

 showing the median ridge, X 2, paratype, 66285c. 



Mystic conglomerate, Range 6, Lot 20, near Mystic, Stanbridge Township, 

 Quebec, Canada. 



H. Obolus ? sp. 4 193 



(20, 21) Interior and exterior of a well-preserved but incomplete specimen show- 

 ing hinge region and pitted exterior, X 10, figured specimen, 116792b; (22) inte- 

 rior of another brachial valve, X 10, figured specimen, 116792a. 



Pratt Ferry formation, 0.2 mile southeast of Pratt Ferry, Blocton (15') 

 Quadrangle, Ala. 



