PAGE 



Tonto sandstone, Dolichometopus tonioensis from ;}'/^ 



iontoensis, see Dolichometopus. 



Trilobites, genera and species described 308 



Tschang-hsing-tau Island, Manchuria, Middle Cambrian localities 346 



Middle Cambrian localities 35r, 366 388 



Tsinaiiia, transition from Blountia 400 



caiiens Walcott, transition from Blouniia 400 



ceres Walcott, transition from Blountia 400 



dictys Walcott, transition from Blountia 400 



typa, see Marjuniia. 



unispiiius, see Asaphiscus. 



Upper Cambrian locality 14V, Utah 389 



localities 30 I, 30y, Orr formation, Utah 374 



3on, Weeks formation, Utah 386, 389 



30 o, Weeks formation, Utah 389, 391 



78, 78b, St. Lawrence formation, Wisconsin 412 



78, 85, St. Lawrence formation, Wisconsin 406 



102a, Maryville limestone, Tennessee 399 



107, Conasauga formation, Tennessee 392, 398 



107c, 107U, I2ia, Tennessee 399 



107c, Tennessee 401 



1076, Kittatinny ? limestone, Pennsylvania 392, 393 



I07g, Kittatinny ? limestone, Pennsylvania.-. 391, 392 



H3, Minnesota 406 



117b (Tennessee), 139a (Alabama) 400 



I i8a, Maryville limestone, Tennessee 404 



119, Maryville limestone, Tennessee 391, 392, 397, 399, 401 



120, Marj'ville limestone, Tennessee 399, 401 



123b, Maryville limestone, Tennessee 392, 398, 401 



125, Maryville limestone, Tennessee 398 



Ute formation, Idaho, Middle Cambrian locality 55c 341, 351, 363, 408 



Spence shale, Utah, Middle Cambrian locality 556 335, 341, ^78 



Vaniixcmella, compared with Bathyuriscus 233 



contractu Walcott, listed 339 



varro, see Dolichometopus (Hoiisia). 

 vervionrana, see Mesouacis. 



Wades Gap, Alabama, Upper Cambrian locality 139a 400 



Wasatch Canyon, Utah, Middle Cambrian locality 55e 335, 341 



Wasatch Mountains, Utah, Middle Cambrian locality 30a 336 



Weeks formation, referred to Upper Cambrian (footnote) 354 



Utah, Upper Cambrian locality 3011 386, 389 



Upper Cambrian locality 300 389, 391 



Wheeler formation, Utah, Middle Cambrian localities 3s, 3t, 8g, 4, 15b.. 390 

 wheeleri, see Asaphiscus. 



White, cited, description of Asaphiscus wheeleri 390 



Witnanella saffordi (Walcott) , listed 2,37 



