567 



Weedia, new genus, described 107 



deposited by algae loi 



resemblance to Blue-green algae (Cyanophyceae) 107 



Uiberosa, new species, described 108 



figured, pi. II, figs, i, 2 132 



classified as semispliaerical 104 



compared with recent " Lake Balls " 108 



in Newland limestone 99 



Weeks Canyon, House Range, Utah, Upper Cambrian localities 14V, 3oh, 



301, 30J 207 



Upper Cambrian localities 3011, 300 166, 172, 194, 207 



Weeks formation, change in stratigraphic position 161 



referred to Upper Cambrian 161 



(footnote) 354 



Upper Cambrian locality 14V 207 



Utah, locality 3on 166, 172, 180, 194, 207, 386, 389 



locality 300.... 166, 172, 180, 194, 195, 207, 389, 391 



Weidman, Samuel, acknowledgments 191 



specimen collected by 250 



Weller, Stuart, cited 95 



Westonia, see Obolella. 



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



zvheeleri, see Asaphiscus. 



Wherry, Edgar T., analysis of Camasia spongiosa 102 



White, cited, description of Asaphiscus wheeleri 390 



White Sulphur Springs, Algonkian locality 400b near, Montana 114 



Algonkian locality 400c west of Montana. .105-107, 109, no, 116 

 Whitehall, Washington County, New York, Upper Cambrian locality iioa 194 



Whitfield, diagnosis of Crcpicephalus 202 



Wieland, Dr. G. R., cited on recent contribution 117 



Willis, Bailey, acknowledgments 3 



bibliographic references 75 



Cambrian area outlined by, too small 63 



cited, Chinese Cambrian 3 



boundary, area of unconformity 39 



description, Sinian system 38 



geographic distribution, Chinese Cambrian (footnote) 71 



interbedding, Man-t'o formation 40 



Middle Sinian, Kiu-lung 63 



rocks, Hu-t'o 2>7 



photograph by 130 



and Blackwelder, acknowledgments 3 



cited, historical review, Chinese Cambrian (footnote) .. .5, 10, 11 



report, Carnegie Exposition to China 9 



lists, Cambrian genera and species 17 



localities C68=77 30-31 



correlation table 57 



fossils not identified 8 



