NO. 12 PERMIAN BRACHIOPODS FROM OREGON—COOPER Abd 
Echinoconchus inexpectatus Rhynchopora magna Cooper 
Cooper 
S46. SEXSESNES sec. 30, T. 18 S., R. 25 E., about 34 miles N. 25° W. of 
Sherman Ranch = $4. 
Anidanthus minor Cooper Muirwoodia transversa Cooper 
Antiquatonia sulcata Cooper Probolioma elongata Cooper 
Avonia oregonensis Cooper P. posteroreticulata Cooper 
Crurithyris sp. 1 Rhynchopora magna Cooper 
Echinoconchus inexpectatus Spiriferella draschei (Toula) 
Cooper Squamularia rostrata (Kutorga) 
Krotovia pustulata Stenoscisma mutabile oregonense 
(Keyserling) Cooper 
Marginifera? costellata Cooper Waagenoconcha parvispinosa 
Margintfera ? costellata Cooper 
M.? multicostellata Cooper 
S47. NW4SE5 sec. 28, T. 18 S., R. 25 E., about 25 miles north of Sherman 
Ranch (not located on map). 
Antiquatonia sulcata Cooper Spiriferella draschet (Toula) 
Chonetes sp. I Stenoscisma biplicatoideum Cooper 
Echinoconchus inexpectatus S. mutabile oregonense Cooper 
Cooper 
Pleurohorridonia? elongata 
Cooper 
S49. Several zones of the Permian at Coyote Butte (not located on map). 
Alexenia? occidentalis Cooper Probolionia elongata Cooper 
Avonia oregonensis Cooper P. posteroreticulata Cooper 
Linoproductus cf. L. lutke- Proboscidella? carinata Muir-Wood 
witscht (Stepanow) and Cooper 
Marginifera? brevisulcata Rhynchopora magna Cooper 
Cooper R. sp. 
M.? profundosulcata Cooper Spiriferella draschei (Toula) 
Sso. General collection of Permian including several zones, Coyote Butte 
(not located on map). 
Alexenia? occidentalis Cooper Proboscidella? carinata Muir-Wood 
Anidanthus minor Cooper and Cooper 
Echinoconchus inexpectatus Rostranteris merrianu Cooper 
Cooper Spiriferella draschet (Toula) 
Kochiproductus transversus Stenoscisma mutabile oregonense 
Cooper Cooper 
Lingula sp. 
Muirwoodia transversa Cooper 
Ss1. About center NESNW3 sec. 13, T. 19 S., R. 24 E., about $ mile north- 
northeast of Tuckers Butte. 
Antiquatonia sulcata Cooper Spirtferella drascheit (Toula) 
Pleurohorridonia? elongata 
Cooper 
S56. SWANW4iSW3 sec. 5, T. 19 S., R. 25 E., about 14 miles northwest of 
Sherman Ranch. 
Krotovia pustulata Rhynchopora magna Cooper 
(Keyserling) Spiriferella draschei (Toula) 
