﻿1 148 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I27 



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 of Virginia County Highways 616 and 621, Richpatch, Eagle Rock (15') Quad- 

 rangle, Va. 



F. Protosyga microscopica Cooper, new species 681 



(33-37) Respectively posterior, anterior, side, pedicle, and brachial views, X 4, of 

 the holotype, 1 17243. 



Lincolnshire formation (Hogskin member), 0.4 mile east-northeast of Red 

 Hill, 4$ miles west-southwest of Thorn Hill, Avondale (T.V.A. 162-SW) 

 Quadrangle, Tenn. 



G. Protosyga nasuta Cooper, new species 681 



(38-41) Respectively pedicle, anterior, brachial, and side views of a complete 

 specimen, X 4, holotype, 117246a. 



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

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

 Va. 



H. Protosyga uniplicata Cooper, new species 687 



(42-45) Respectively anterior, brachial, side, and pedicle views of a well-preserved 

 specimen, X 4, holotype, 111416b. 



Benbolt formation (lower), Brick Church, I? miles west-southwest of Rye 

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



I. Protosyga tumida Cooper, new species 687 



(46-50) Respectively anterior, side, pedicle, posterior, and brachial views of a 

 well-formed specimen, X 4, paratype, 11 1400. 



Effna formation, McNutt Quarry, 12 miles southwest of Bland, Burkes 

 Garden (15') Quadrangle, Va. 



J. Protosyga nicolletti (Winchell and Schuchert) 682 



(51, 52) Side and brachial views of a complete but narrow specimen, X 2, 

 hypotype, 49060a. 



Platteville formation, St. Charles, Winona County, Minn. 

 (53-57) Respectively brachial, posterior, side, anterior, and pedicle views of a 

 large specimen, X 3, hypotype, 24201a. 



Platteville formation, Elmira, Olmstead County, Minn. 



K. Protosyga uniplicata Cooper, new species 687 



(58-61) Respectively pedicle, side, posterior, and brachial views of complete speci- 

 men, X 4, paratype, 111414a; (62) pedicle view of another specimen in a cluster 

 of Polylopia billingsi (Safford), X 4, paratype, 111414c. 



Murfreesboro formation (top), west fork of Stone River, where it crosses 

 U. S. Highway 70S, i-i miles northwest of Murfreesboro, Murfreesboro (15') 

 Quadrangle, Tenn. 



L. Protosyga superba Cooper, new species 686 



(63, 64) Brachial and pedicle views, X 2, holotype, 111455a; (65-69) respectively 

 anterior, side, brachial, posterior, and pedicle views of the holotype, X 3, show- 

 ing the ornamentation in detail. 



Auburn chert, \ mile east of Auburn, Elsberry (15') Quadrangle, Mo. 



Plate 142 

 Cyclospira, Hallina, Protozyga, Zygospira 



A. Protosyga costata Cooper, new species 676 



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

 plete specimen, X 4, holotype, 117239c. 



Bromide formation (Mountain Lake member — 10 to 12 feet below top of 

 shale), cut on Oklahoma Highway 18, sec. n, T. 1 S., R. 3 E., 1.8 miles south 

 of Sulphur, Murray County, Okla. 



