NO. 24 



PTARMIGANIA STRATA RESSER 



II 



of the rock. As shown by the illustrations of Taxioura typicalis, the 

 fossils often are so crowded that it is difficult to free good specimens. 



Acrothele artcmis Walcott Kootenia maladensis, n. sp. 



Acrothele parilis, n. sp. Kootenia nitida, n. sp. 



Acrothyra minor Walcott Lingulclla eucharis, n. sp. 



Acrotreta eucharis, n. sp. Micromitra haydeni Walcott 



Acrotreta sulcata Walcott Oleuoidcs maladensis, n. sp. 



Agnostus lautus, n. sp. Oryctocephalites typicalis, 11. sp. 



Alokistocare cuchare, n. sp. Ory otocephalus maladensis, n. sp. 



Alokistocarella occidens, n. sp. Pachyaspis typicalis, n. sp. 



Bathyuriscus politus, n. sp. Pagctia clytia Walcott 



Dolichometopsis alia, n. sp. Pagetia maladensis, n. sp. 



Dolichometopsis comis, n. sp. Paterina hirta, n. sp. 



Dolichometopsis communis, n. sp. Poulsenia granosa, n. sp. 



Dolichomctopsis gravis, n. sp. Poulsenia occidens, n. sp. 



Dolichomctopsis lepida, n. sp. Prozacanthoidcs acquiis, 11. sp. 



Dolichomctopsis media, n. sp. Prozacanthoidcs alatus, n. sp. 



Dolichomctopsis potens, n. sp. Prozacanthoidcs decorosus, n. sp. 



Dolichomctopsis poulseni, n. sp. Prozacanthoidcs cxilis, n. sp. 



Dolichometopsis propinqua, n. sp. Prozacanthoidcs optatus, n. sp. 



Dolichometopsis stella, n. sp. Ptarmigania agrcsfis, n. sp. 



Ehmaniclla maladensis, n. sp. Ptarmigania altilis, n. sp. 



Helcionclla acqua, n. sp. Ptarmigania aurita, n. sp. 



Helcionella arguta, n. sp. Ptarmigania dignata, n. sp. 



Hyolithcs prolixus, n. sp. Ptarmigania cxigua, n. sp. 



Iphidclla maladensis Walcott Ptarmigania germana, n. sp. 



Kochaspis maladensis, n. sp. Ptarmigania natal is, n. sp. 



Kochina venusta, n. sp. Ptarmigania ornata, n. sp. 



Kochina vestita, n. sp. Ptarmigania sobrina, n. sp. 



Kochina zvasatchensis, n. sp. Ptarmigania sp. undet. 



Kootenia acicularis, n. sp. Taxioura magna, n. sp. 



Kootenia brcvispina, n. sp. Taxioura typicalis, n. sp. 



Kootenia convoluta, n. sp. Tonkinclla idahoensis, n. sp. 



Kootenia granulosa, n. sp. Wimanella maladensis, 11. sp. 



Brigham quart zite: 



Shale. Greenish, arenaceous shale, with layers of quartzite and Feet 



dark brown sandstone 45 



Quartzite. Reddish-brown, quartzitic sandstone, like underyling bed. .. 205 

 Quartzite. Compact, hard, light-gray quartzitic sandstone. 



Bands of greenish, sandy shale interbedded in the upper 80 



feet. Shaly surfaces covered with trails 210 



Shale. Steel gray to buff, arenaceous shales, with layers of 



quartzite at intervals of 5 to 20 feet 115 



Quartzitic sandstone. Massive-bedded (layers 2 to 8 feet 



thick) brown quartzitic sandstone 165 



Base unexposed. 



Total 740 



