INDEX 561 



PAGE 



Theca. mentioned, Gottsche 7 



thishe, see Inouyia. 



thoosa, see Crepiccphalus. 



thraso, see Anomocarella and Ptychoparia (Liostracus). 



ticida, see Alokistocare. 



Timber Creek, Big Snowy Mountains 274 



Ting-hiang-hien, Shan-si, locality C37 25 



titiana, see Agraulos, Inouyia, and Ptychoparia. 



Toll, Eduard von, bibliographic reference 74 



cited, Archaeocyathinae 7^ 



historical review, Chinese Cambrian 8. 12 



Siberian Cambrian 8 



fauna of Lena, Yenisei, and Angara valleys 63 



Torgoschino fauna 72 



trilobites, Schmidt 72 



Siberian types, Anthozoa 58 



talus, see Ptychoparia. 



Tonto sandstone, Dolichometopus tontoensis from i7o 



tontoensis, see Dolichometopus. 



Trenton limestone, Galena formation compared with 95 



Torgoschino, fauna discussed 71-72 



species named 7^ 



toxeus, see Anomocarella and Ptychoparia (Liostracus). 



Trempealeau, Wisconsin, Upper Cambrian locality 83^ 199 



Upper Cambrian locality 83* 163. 209 



Trilobita, discussed 59 



Middle Cambrian, publication on 160 



Trilobites, Cambrian, publications on 160 



genera and species described 308 



listed, Indo-China i3, 62 



tripunctatus, see Crepicephalus. 



tragus, sto. Anomocarella :ix\6. Ptychoparia (Liostracus). 



Tschang-hsing-tau, Manchurian collections from 31 



Smithsonian Institution collections from 4 



Liau-tung, Manchuria, section 56 



Middle Cambrian localities 346 



localities 35r, 366 388 



Tsinania Walcott, new genus described 43, 227 



association with Dikcloccphalus 69 



characterizes North American Upper Cambrian 42 



Ch'au-mi-tien limestone 42 



compared with Illanurus and Symphysurus 43 



genotype, Illanurus canens Walcott 43. ^^7 



identification of Upper Cambrian 42 



listed, stratigraphic position 69 



observations 43 



