﻿1 136 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I27 



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 feet specimen, X 1, hypotype, 24843a; (48) interior of pedicle valve of preced- 

 ing, X 2, showing musculature; (45, 46, 47) anterior, brachial, and side views 

 of an obese individual, X 1, hypotype, 24843b. 



Decorah formation (Ion member), NE^ sec. 39, Cannon Falls, Goodhue 

 County, Minn. 



Plate 129 

 Ancistrorhyncha, Rostricellula 



A. Ancistrorhyncha costata Ulrich and Cooper 621 



(1) Brachial view, X 2, hypotype, Columbia Univ. 25880(2120). 



Pamelia formation (50 inches below top), quarry east of railroad bridge, north 

 of Mill Creek in Lowville, Lowville (15') Quadrangle, N. Y. 



B. Ancistrorhyncha costata Ulrich and Cooper 621 



(2) Brachial view of a complete specimen, X 2, hypotype, 1 17207. 



Ridley formation, quarry on the west side of the road, i^ miles south-south- 

 east of Cove Church, 5 miles south of Chickamauga, Kensington (T.V.A. 

 106-SE) Quadrangle, Ga. 



C. Ancistrorhyncha costata Ulrich and Cooper 621 



(3) Brachial view of a complete specimen, X 1, hypotype, 117204a; (4-8) respec- 

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



Bromide formation (Pooleville member — 5 feet below Viola), road cut on 

 Oklahoma Highway 99, NW^NE^SWi sec. 12, T. 1 N., R. 6 E., Pontotoc 

 County, Okla. 



D. Ancistrorhyncha costata Ulrich and Cooper 621 



(9-13) Respectively anterior, posterior, side, pedicle, and brachial views of a com- 

 plete specimen, X 2, hypotype, 1 17205. 



Bromide formation (Pooleville member — base of bed 2), Spring Creek, sec. 17, 

 T. 2 S., R. 1 W., Murray County, Okla. 



E. Ancistrorhyncha costata Ulrich and Cooper 62 1 



(14) Brachial view of a complete specimen, X 1, hypotype, 111196; (15-19) 

 respectively posterior, anterior, side, pedicle, and brachial views, X 2, of the 

 preceding. 



Bromide formation (Pooleville member — top), Colbert Creek, sec. 15, T. 1 S., 

 R. I E., 5 miles southwest of Davis, Murray County, Okla. 



F. Ancistrorhyncha costata Ulrich and Cooper 621 



(20, 21) Respectively X 1 and X2 enlargements of the holotype, 108203; (22, 23) 

 respectively X 1 and X2 views of a silicified specimen, paratype, 111183; (24) 

 brachial interior, X 4, showing cardinalia and hook on crus, paratype, io8204g; 

 (25) another brachial interior, X 4, showing hook on crus, paratype, 1082046. 



Ridley or Murfreesboro formation, 1^ miles southeast of Hembree Mill, 

 Sequatchie Valley, Pikeville Special (15') Quadrangle, Tenn. 



G. Rostricellula oricntalis ( Billings ) 642 



(31) Brachial view of a complete specimen, X I, hypotype, 11 1489; (32) enlarge- 

 ment of the side of preceding, X 6, showing ornamentation; (26-30) respectively 

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



Mingan formation, Harbor Island, Mingan Group, St. Lawrence River, 

 Quebec, Canada. 



H. Ancistrorhyncha costata Ulrich and Cooper 621 



(33S6) Respectively pedicle, anterior, brachial, and side views of a complete speci- 

 men, X 2, hypotype, 117206b; (37, 38) brachial and posterior views of a speci- 

 men slightly smaller than the preceding, X 2, hypotype, 117206c. 



Wardell part of Dryden formation (Stromato cerium bed), north quarry on 



