INDEX 569 



Wolsey shale — Continued. page 



Middle Cambrian locality ? 3J 424 



4g 180 



5g 384 



54Z 385 



621 362 



62] 384 



I59f 186 



zvoodi, see Aliita and Bradoria. 



Woodward, Henry, bibliographic reference 75 



cited, historical review, Chinese Cambrian 9 



Wu-lo-pu, Dorypyge richthofeni 7 



species listed 6 



Wu-t'ai system, not of marine origin 37 



Wu-t'ai-hien, Shen-si, localities C75 and C77 31 



Wyoming, Crcpiccphalus in 203 



Upper Cambrian locality 151b 213 



locality 15 le igg 



340c 179 



Yellowstone National Park, Wyoming, Upper Cambrian locality 151b... 213 



Upper Cambrian locality 1516 igq 



Yen-chnang, Sin-t'ai-hien, Shan-tung, section, Kiu-lung-shan Cambrian 



(figs. 5, 6, 8) 55, 56 



Cambrian localities Ci=i4, C40, €60=64 17-29 



Yenesei River, fauna of valley 63 



transgression, Siberian area 5 



Yen-tsy-yai, Shan-tung, fossils discussed. Woodward 9 



Yogo limestone, described 269 



Little Belt section 273 



not recognized in Beaver Creek section 271 



York, Pennsylvania, Middle Cambrian localities 48, 48d 350 



York County, Pennsylvania, Lower Cambrian locality 48b 316 



Lower Cambrian localities 49, 49a, 49W 315 



York formation, Pennsylvania, Lower Cambrian locality 48b 316 



Middle ? Cambrian localities 48, 48d 350 



Yorkia ? orientalis Walcott, listed, Kiu-lung 65 



stratigraphic and geographic position 45 



wanneri ? Walcott, listed 322 



? washingtonensis Walcott, listed 316 



Yung-ning sandstone, Lower Cambrian age 61 



Yun-nan, f aunal horizons, discussed 60 



locality Man-t'o, Rcdlichia fauna 61 



yunnanensis, see Lingula and Ptychoparia. 



Zacanthoidcs Walcott, associated with Coryncxochus brennus 314 



compared with Bathyuriscus 333 



distinctive, North America '. . . . 70 



•'sted 322, 339 



