﻿1066 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. \2."J 



Plate 46 

 Glyptorthis 



Page 



A. Glyptorthis sp. 1 381 



(i, 4) Exterior and interior, X 2, of a well-preserved pedicle valve, figured speci- 

 men, 1 1 6948; (2, 3) respectively same views, X 1, as preceding. 



Lower part of the dark shale beneath Eureka quartzite, north-facing nose of 

 hill 8167, Martins Ridge, Monitor Range, Roberts Mountains (i°) Quadrangle, 

 Nev. 



B. Glyptorthis uncinata Cooper, new species 377 



(5-7. 9, I0 ) Respectively posterior, anterior, side, brachial, and pedicle views of 

 a complete specimen, X 2, holotype, 116943a; (8) brachial view, X 1, of same. 



Bromide formation (Mountain Lake member — middle of bed 6), Rock Cross- 

 ing of Hickory Creek, about center sec. 35, T. 5 S., R. 1 E., Criner Hills, Carter 

 County, Okla. 



C. Glyptorthis uniformis Cooper, new species 378 



(n) Brachial view, X I, paratype, 116946b; (12-15) respectively anterior, poste- 

 rior, pedicle, and side views of a complete specimen, X 3, paratype, 1 16946a ; 

 (16) brachial view, X 2, of same specimen; (17) pedicle view, X 3, of same. 



Basal Benbolt formation, intersection of main road with lane to north, \ mile 

 southwest of Fleanor Mill, Powell Station (T.V.A. 137-SE) Quadrangle, Tenn. 



D. Glyptorthis subcarinata Cooper, new species 374 



(18) Brachial view, X 1, holotype, 117987; (19-23) respectively posterior, side, 

 anterior, pedicle, and brachial views, X 2, of the preceding. 



Lower Sevier formation, i mile northeast of Miser, Louisville (T.V.A. 

 138-SE) Quadrangle, Tenn. 



E. Glyptorthis sulcata Cooper, new species 375 



(24-27) Respectively brachial, side, pedicle, and posterior views, X 1, of a com- 

 plete specimen, holotype, 110075a; (28) brachial interior, X 2, paratype, 

 110075b; (30-34) pedicle, anterior, side, posterior, and brachial views, X 2, of 

 holotype; (29) brachial interior, X 2, paratype, 110074. 



Crown Point formation (bed B, division 3, of Brainerd and Seely), \ mile 

 north of State Normal School, Plattsburg, Plattsburg (15') Quadrangle, N. Y. 



F. Glyptorthis multicostellata Cooper, new species 371 



(35) Brachial exterior, X 1, paratype, 116938c; (40) interior, X 2, of same; 

 (36, 39) respectively X 1 and X 2 enlargements of the pedicle exterior, holotype, 

 116938b; (37) exterior of a pedicle valve, X 1, paratype, 116938a; (38) pedicle 

 interior, X 2, paratype, 116938c. 



Ridley formation, on U. S. Highway 27, just northwest of Chickamauga 

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



G. Glyptorthis sp. 4 383 



(41, 42) Pedicle and brachial views of a complete specimen, X 4, figured speci- 

 men, 116952a. 



McLish formation (zone 45), West Spring Creek, sec. 6, T. 2 S., R. 1 W., 

 Murray County, Okla. 



Plate 47 

 Glyptorthis 



A. Glyptorthis bellatula Cooper, new species 364 



(1) Brachial exterior, X I, paratype, nooisd; (2) pedicle exterior X i» holotype, 

 110015a; (3) interior, X 2, of same; (4, 6) exterior and interior of the brachial 

 valve, X 2, paratype, nooi5e; (5) posterior part of brachial interior showing 



