﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER 1123 



Page 

 Rockland formation (Cloche Island member), south of Helen Lake, LaCloche 

 Island, Manitoulin District, Ontario, Canada. 



B. Camerella globularis Cooper, new species 568 



(6-9) Respectively brachial, pedicle, side, and posterior views of a strongly 

 costate specimen, X 1, paratype, 98192a; (10-14) respectively anterior, side, 

 posterior, brachial, and pedicle views of a specimen smaller than the preceding, 

 X Ij paratype, 98192b; (15, 16) same specimen as preceding, X 2. 



Whistle Creek formation, on Whistle Creek, 2 miles northwest of Lexington, 

 Lexington (15') Quadrangle, Va. 



(17-20) Respectively brachial, anterior, side, and pedicle views of a large specimen, 

 X I, holotype, 117134. 



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

 of Whistle Creek, ii to 2 miles northwest of Lexington, Lexington (15') 

 Quadrangle, Va. 



C. Camerella cf. C. globularis Cooper, new species 568 



(21-24) Respectively side, brachial, anterior, and pedicle views of a complete 

 specimen, X 1, figured specimen, 117135. 

 Horizon and locality same as preceding. 



D. Camerella obesa Cooper, new species 574 



(25-29) Respectively brachial, posterior, side, pedicle, and anterior views of a com- 

 plete specimen, X I, holotype, 117140a; (30-34) respectively pedicle, side, ante- 

 rior, brachial, and posterior views, X 2, of the same specimen. 

 Rockland formation, Mill Creek, Turin, Port Leyden (15') Quadrangle, N. Y. 



E. Camerella pulchra Cooper, new species 578 



(35-39) Respectively posterior, anterior, side, brachial, and pedicle views of a com- 

 plete specimen, X 2, paratype, 85340a. 



Ridley formation, C. St. L. and N. RR., 3 miles northwest of Murfreesboro, 

 Rutherford County, Tenn. 



F. Camerella pulchra Cooper, new species 578 



(40) Brachial view of the exterior of a specimen with 4 costae in the fold, X I, 

 paratype, 111146c; (41) brachial view of a specimen with 2 costae in fold, X 1, 

 paratype, 111146b; (42, 43, 45) respectively posterior, brachial, and side views 

 of another specimen with 3 costae on fold, X 2, holotype, 111146a; (44) anterior 

 view, X 2, of specimen with 4 costae on fold, same specimen as fig. 40 ; (46) 

 pedicle view, X 2, of a specimen with 2 costae in sulcus, same specimen as 

 fig. 41. 



Ridley formation, 32 miles northwest of Murfreesboro, Rutherford County, 

 Tenn. 



Plate 117 

 Camerella, Parastrophina, Perimecocoelia 



A. Parastrophina rotundiformis (Willard) 607 



(1, 2) Respectively X 1 and X 3 enlargements of the posterior part of a complete 

 specimen showing the spondylium and cardinalia, hypotype, 87600. 



Prosser formation {Prasopora bed), i? miles north of Waukon, Allamakee 

 County, Iowa. 



B. Perimecocoelia triangulata Cooper, new species 596 



(3-7) Respectively anterior, side, posterior, brachial, and pedicle views, X l* of 

 the holotype, 111342a; (8-12) respectively anterior, side, posterior, brachial, and 

 pedicle views, X 2, of the holotype. 



Effna formation, Porterfield Quarry, 5 miles east of Saltville, Maccrady 

 (T.V.A. 219-NW) Quadrangle, Va. 



