﻿1080 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 127 



Plate 64 



Chaulistomella, Multicostella 



Page 



A. Chaulistomella ridleyensis Cooper, new species 443 



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

 plete specimen, X 1, holotype, 11 7007. 



Ridley formation (lower third), Marshall Knobs, 5 miles south of Murfrees- 

 boro, Murfreesboro (15') Quadrangle, Tenn. 



B. Multicostella rectangulata Cooper, new species 4 2 5 



(6-9) Respectively pedicle, side, anterior, and brachial views of a complete but 

 imperfect specimen, X 1, holotype, 116991. 



Yellow limestone above 25-foot sandstone at base of Eureka group, saddle 

 just north of hill 8167, Martins Ridge, Monitor Range, Roberts Mountains (i°) 

 Quadrangle, Nev. 



C. Multicostella bursa (Raymond) 4 J 6 



(10) Pedicle interior, X 1, hypotype, H037id; (11) brachial interior, X I, hypo- 

 type, 110371b; (12) brachial exterior, X I, hypotype, 110371a; (13) brachial 

 exterior, X l, hypotype, 110372b; (14) pedicle exterior, X I, hypotype, 110372a; 

 (15) pedicle exterior, X I, hypotype, 110371c 



Chatham Hill formation, Grayson Farm, 4 miles southwest of Bland, Bland 

 County, Va. 



(16) Brachial interior, X ii, showing cardinalia and short median ridge, hypo- 

 type, 116984b. 



Chatham Hill formation, 1.2 miles S. 31 ° E. of Sharon Springs, Burkes 

 Garden (15') Quadrangle, Va. 



D. Multicostella scmisulcata Cooper, new species 427 



(21-23) Respectively side, pedicle, and posterior views of a complete specimen, 

 X 1, holotype, 110474b; (24) brachial view, X 2, of the holotype; (17) brachial 

 interior, X 1, paratype, 110474a; (18) posterior of preceding, X 2, showing car- 

 dinalia; (19, 20) respectively X 1 and X 2 enlargements of the brachial interior, 

 showing thickened supports of brachiophores, paratype, H0474e; (25, 26) respec- 

 tively X 1 and X 2 enlargements of the pedicle interior, paratype, 110474c. 



Lincolnshire formation (Hogskin member), nearly north of Hayes' house 

 along small road beside fence, east of U. S. Highway 25E, Evans Ferry section, 

 north of Indian Creek, Howard Quarter (T.V.A. 162-NW) Quadrangle, Tenn. 



Plate 65 

 Chaulistomella, Dinorthis 



A. Chaulistomella inaequistriata Cooper, new species 435 



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

 the paratype, 110519a; (6) pedicle view of a complete specimen, X 1, paratype, 

 110519L 



Wardell formation, Lloyd Carter's barn, 0.8 mile by road northeast of school 

 at Rye Cove, Clinchport (T.V.A. 188-NW) Quadrangle, Va. 



B. Chaulistomella brevis (Willard) 433 



(7, 9-12) Respectively brachial, side, anterior, posterior, and pedicle views of a 

 complete specimen, X 1, hypotype, 110462b; (8) brachial interior, X I, hypotype, 

 H0462d. 



Benbolt formation (100 feet above Echinosphae rites zone), on Virginia High- 

 way 74, 5i miles east of the junction with U. S. Highway 54, Hilton (T.V.A. 

 197-NW) Quadrangle, Va. 



