INDEX 555 



PAGE 



schmtdti, see Agnostus. 

 sculp tilts, see Micromitra. 



Secret Canyon, Nevada, Middle Cambrian locality 55b 369 



Secret Canyon shale, limestone in, Eureka Count}', Nevada, Middle Cam- 

 brian locality 58 185 



Sections, Shan-tung, discussed and illustrated 51-57 



Manchuria • • . 56 



scinele, see Millardia. 

 semireticulatus, see Productus. 

 senectus, see Corynexochus. 



Seward, A. C, cited on Lithothamnion bank 91 



comments on Bornemann's algal form in 



" Fossil Plants " 88 



Shan-si, Dorypyge richthofeni fauna 10 



f aunal horizons, discussed 60 



Middle Cambrian, represented 64 



section south of Tung-yit 53 



subprovince fauna, listed 71 



and Manchuria, fauna 71 



shansiensis, see Obolus. 



Shantung, China, Crepiccphahis in 203 



Dorypyge richthofeni, compared with Torgoschino species. . y2 



f aunal horizons, discussed 60 



Lorenz fossils, discussed 10 



Middle Cambrian localities Ci, C2 366. 367 



C4 361. 366 



C19, C57 366 



C24 368 



Middle Sinian, Kiu-lung, discussed 63 



not connected Siberian Middle Cambrian province Ji 



province, fauna distinct from Lena 72 



classified, Asian Cambrian areas 70 



distinct from Siberian 72 



Saratogia in i95 



sea, trilobites under Inoiiyia and Lcvisia 72 



sections 51 -57 



Shan-si and Shen-si, discussion of stratigraphy 4 



species listed, Sin-t'ai 65 



subprovince, fauna listed 70 



shantimgensis, see Acrotreta. 



Shantimgia Walcott, distinctive, Chinese Middle Cambrian 70 



(=: Chuangia), generic references 16 



huckruckeri {^^ Chuangia nitida) , generic references 16 



listed, Lorenz, Wang-tschuang 11 



crassa, listed, Tsing-tshou-f u 11 



monkci (=Pagodia monkei), identified, Walcott, Tsing-tschou-fu 12 



