INDEX. 



365 



55 



261 



180 

 , So 



261 



181 



179 

 4 



181 



54 



Ptychaspis baubo (WalcotO. Continued, 

 listed from Sin-t'ai district. . 



Upper Cambrian of Ch'au-mi-tien lime-stone 



related to Ptychaspis brizo 



bdla Walcott, described 



figured, pi. 17. fig. 9 



compared with Ptychttspis acamus 



in synonymy 



listed from Upper Cambrian of Ch'au-mi-ticn lime- 

 stone ^ 



stratigraphic and geographic position of 39 



bi'izo (Walcott), described I8| 



figured, pi. 1 7, figs. 3, $a-b, 4,5 



compared with Dikelocephalus. . . . 



Ptychaspis baubo 



(-Dikelocfphalus? brizo), present and former ge 



neric reference 



in synonymy 



listed from Ch'ang-hia district 



related to Plychaspis baubo 180 



stratigraphic and geographic position of 39 



cacus Walcott, described 181 



figured, pi. 17, figs. 10, n 261 



compared with Ptychaspis ceto 182, 186 



Ptychaspis calyce 182 



in synonymy X 8r 



listed from Upper Cambrian of Ch'au-mi-ticn lime- 



stone 55 



stratigraphic and geographic position of 39 



cadmus Walcott, described 182 



figured, pi. 16, figs. 19, 190 260 



associated with Ptychaspis calchas 182 



compared with Ptychaspis celo 186 



in synonymy !8 



listed from Ch'ang-hia district 54 



stratigraphic and geographic position of 39 



calchas Walcott. described 183 



figured, pi. 16, figs. 13. 134 259 



compared with Plychaspis cadmus 182 



in synonymy 1 83 



listed from Ch'ang-hia district 



stratigraphic and geographic position of 



calli'slo Walcott, described 



figured, pi. 16, figs. 14, \a 



in synonymy 



listed from Upper Cambrian of Ch'au-mi-tiun lime- 

 stone 



stratigraphic and geographic position of 



calyce Walcott. described 181 



figured, pi. 16. figs. 15, 153 260 



compared with Plychaspis cacus 182 



Plychaspis celo 184 



in synonymy 184 



listed from Ch'ang-hia district 54 



Upper Cambrian of Ch'au-mi-ticn limestone 55 



stratigraphic and geographic position of 39 



t'ampe Walcott, described 184 



figured, pi. 16, fig. iG 260 



compared with Ptychaspis sp. undt 186 



in synonymy 1 84 



listed from Ch'ang-hia district 54 



stratigraphic and geographic position of 39 



ceto Walcott, described 185 



figured, pi. 16, figs. 17, i-ja-d 260 



association with Conokephalina dryope 139 



Illcenurus cattens and Coosia carme 223 



compared with Plychaspis acamus. . . . 186 



Ptychaspis cacus 182, 186 



Ptychaspis cadmus 1 86 



Ptychaspis calcye , 184 



Ptychaspis granulosa 186 



in synonymy 185 



listed from Ch'ang-hi;i district 54 



Upper Cambrian of Cli'au-mi-tk'n limestone 55 



stratigraphic and geographic position of 3<j 



54 

 39 

 183 



25V 



183 



55 

 39 



Plychaspis granulosa Owen, comparer! with Plychaspis celo. 



spp. undt. Walcott, described 



figured, pi. 17, figs, i, 6-8.. . 

 compared with Ptychaspis campe. . 



in synonymy 



listed from Ch'ang-hia district 



Upper Cambrian of Ch'au-mi-tu n lum 



stones 



stratigraphic and geographic position of. . 

 ? sp. undt. Walcott, figured, pi. 21, figs. 14, 15... 

 Ptychoparia Corrla. genus described and discussed. . 



cited from Lena limestone 



compared by Broggcr to Piychoparia (=Cono- 



cephalilfs) 



compared with Chitaiigia 



Conokcphaliiiti cmmrichi Harrande 



F.wwrichflta 



Lisania 



Inoiiyia nn-lie 



I'<it;odia 



( =t'o>iocrphdlitfs typus), listed from China 



general features of. characterizing cephala 



in synonymy 



palpebral lobe of, like that of Ptychoparia (Emm- 



richdhi} maitlofiiMS and P. (.) conslricta 



represented in China, North America and Europe. . 



Upper Cambrian fauna characterized by 



aclis Walcott, described 



figured, pi. 12, figs. 8, Sa. . . 



compared with Atiomocare ' iitreis. 



Ptychoparia impar 



illustrated, pi. u, ll-s. 9, 93 . . 



in synonymy 



listed from Man-t'o sandstones, Shan-tung .... 



stratigraphic and geographic position of 



? batia Walcott (Chnangia batia}, former and present 



generic reference 



genotype of Chuangia 



synonymic reference 



fbromus (=Pty t -hup<iria (Ilmwt i< h, U,i \ hrumits), former and 



present generic reference 



synonymic reference 



ecus Walcott (=Lioslracina !>-, n ,, /!, for HUT and present 



generic reference 



synonymic reference 



synonymous species of Walcott 



comus Walcott (Anomocarclla com us), former and pres- 

 ent generic reference 



synonymic reference 



constricla ( = Ptychoparia (Emmrichella} conslricta), former 



and present generic reference 



synonymic reference 



' ,'7;<i nowskii von Toll, correlated with Levisia agenor 

 (Walcott) . . 



( Inonyia), listed from Cambrian fauna of Siberia. 

 dryope Walcott ( = Conokephalina ? dryope), former and 



present generic reference 



synonymic reference 



granosa Walcott, described 



figured, pi. 12, fig. 7 



compared with Ptychoparia kochibei 



( = Ptychoparia gramtlosa), present and former 



generic reference 



in synonomy 



listed from Man-t'o sandstones. Shan-tung 



stratigraphic and geographic position of 



v,iiiuli>;,i Wak'iitt C = Ptychoparia gi'anosa), former and 



present generic reference 



synonymic reference 



impar Walcott, described 



figured, pi. 12, fig. 9, 90 



compared with Conokephtilina vcsitt . . 



Ptychoparia aclis 



Ptychoptiria impar. var. ? 



I'AOLi. 



, ,. 



189 

 261 



1 86 

 1 86 



.54 



55 



.19 



270 



no 



5* 



137 

 164 

 130 

 >34 

 164 

 "53 

 164 

 3 



'39 

 "30 



'35 

 4 

 33 



130 



252 

 '94 

 "31 

 25 = 

 "30 

 49 

 37 



170 

 170 



10 



143 



5 



58 

 5 



"38 

 131 

 252 



"31 

 49 

 37 



131 

 252 



