NO. 12 PERMIAN BRACHIOPODS FROM OREGON—COOPER A 
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anterior, and dorsal views of a specimen larger than the holotype, 
XI, paratype, U.S.N.M. 125377. Locality 638. 
(26) Ventral view of another paratype showing part of the anterior 
frill, & 1, U.S.N.M. 125380. Locality U.O. 2204-3. 
(27, 28) Respectively & 1 and X 2 views of the dorsal side of a well- 
preserved specimen preserving most of the lateral frills, paratype, 
U.S.N.M. 125379. Locality S4o. 
D. Stenoscisma americanum Cooper, new SPeCi€S...........eeeeeseeeees 52 
(29-33) Respectively posterior, anterior, side, dorsal, and ventral views 
of the holotype, U.S.N.M. 125381. Locality S2o. 
E. Stenoscisma biplicatoidewm Cooper, new SpeCieS........csceseseseeees 53 
(34-38) Respectively ventral, posterior, side, anterior, and dorsal views, 
X 1, of the holotype, U.S:N.M. 125382. Locality U.O. 2205-5. 
(39-41) Respectively dorsal, posterior, and ventral views, X 1, showing 
the anterior part of the frill, paratype, U.S.N.M. 125384a; (47-50) 
respectively dorsal, posterior, anterior, and side views, with outlines 
restored, 1, of a large specimen, paratype, U.S.N.M. 125384b; 
(51-53) respectively posterior, ventral, and dorsal views of a speci- 
men still larger than the preceding showing a section of the spondyl- 
ium, 1, paratype, U.S.N.M. 125384c; (54) ventral view of the 
largest specimen of this species, 1, paratype, U.S.N.M. 125384d. 
Locality L8. 
(42-46) Respectively ventral, anterior, posterior and dorsal views of 
a large specimen with outlines restored, X1, paratype, U.S.N.M. 
125383. Locality Pro. 
PLATE 10 
A. Dielasma? truncatum Cooper, new SPecieS.......ssscccescensscccccase 66 
(1-5) Respectively ventral, anterior, posterior, side, and dorsal views 
of the holotype, * 1, U.S.N.M. 125411; (6) dorsal view of the holo- 
type, X 2. Locality S2o. 
B. Wellerella multiplicata Cooper, new SPECiCS........... cece ccc eceeeees 49 
(7-11) Respectively ventral, posterior, side, anterior, and dorsal views 
of the holotype, * 1, U.S.N.M. 125467a. Locality S87. 
CG Krotoma aft. K. barenst) (Muiloradovitel)) ae cele siete telnet rel 32 
(12-14) Respectively ventral, side, and posterior views of a small in- 
dividual, < 1, figured specimen, U.S.N.M. 125336a; (15-17) respec- 
tively ventral, side, and posterior views of a specimen larger than 
the preceding, 1, figured specimen, U.S.N.M. 125336b. Locality 
SIoI. 
D. Rhynchopora magna Cooper, new SPeCicS..........cccccccccccccccccs 54 
(18-22) Respectively ventral, side, dorsal, anterior, and posterior views 
of a large specimen with margins restored, < 1, holotype, U.S.N.M. 
125392. Locality U.O. 2202-2. 
(23, 24) Posterior and anterior views of a somewhat crushed speci- 
men, XI, paratype, U.S.N.M. 125388. Locality U.O. 2204-1. 
(25-27) Respectively side, ventral, and posterior views of a specimen 
smaller than the holotype, X I, paratype, U.S.N.M. 125393. Locality 
S87. 
