CATALOGUE OF FOSSILS. 95 



88. Plicatula Jiyclrotheca White. Head of Water-pocket Gallon, South- 

 ern Utah. Described on a following page. 



89. Inoceramus Howelli White. Lower Potato Valley and Upper Pine 

 Creek, Utah. Described on a following page. 



00. Avicula linguiformis Shumard. Lower Potato Valley and Sink 

 Spring, Utah. 



01. Camptoncctes platcssa White. Head of Water-pocket Canon, South- 

 ern Utah. 



02. Undetermined Concliifers. Lower Potato Valley, Utah. 



03. Cardium f. Head of Water-pocket Canon, Southern Utah. 







A rather large subspinous species, probably new, but the specimens are all 

 imperfect. 



04. CaUista Detvcyi Meek and Hay den. Head of Water-pocket Canon, 

 Southern Utah. The specimens consist only of casts in sandstone. 



05. Area f. Hea.d of Water-pocket Canon, Southern Utah. 



An elongate species, represented only by a cast in sandstone. 



SULPHUR CREEK GROUP. 



06. Ostrea congesta Conrad. Fold, ten miles west of Black Bluff, Green 

 River, and Island Park, Utah; base of Diamond Peak and near Vermilion 

 Canon, Northwestern Colorado. The specimens from the last-named locality 

 are unusually large, and a few of them were found free, but most of them 

 were, as usual, found attached to fragments of Inoceramus deformis. The 

 species occurs also in the Point of Rocks Group, Utah, in Western Kansas, 

 and in Middle Park, Colorado. (See Nos. 150 and 200.) 



07. Gryplica Pitrlieri Morton. Near Black Bluff, on Green River; 

 Upper Kanab; fold, ten miles west of Black Bluff and Sink Spring, Utah. 

 It also occurs in the Henry's Fork Group. (See No. 85.) 



08. Exogyra l&viuscida Roemer. Upper Kanab, and near Black Bluff, 

 011 Green River, Utah. Occurs also in Henry's Fork Group, Utah. (See 

 No. 86.) 



00. Exogyra ponderosa Roemer. Upper Kanab, Utah. It occurs also 

 in Henry's Fork Group, Utah, and in Middle Park, Colorado. (See Nos. 

 87 and 202.) 



