868 



CAMBRIAN BRACHIOPODA. 



Synonymy, alphabetic index to ,- 27-9S 



Syntrophia, described ^^^ 



compared with Clarkella 809 



Dicellomus ^^^ 



Huenella 805 



cruralium discussed 307, 309 



evolution discussed 320 



evolution of 317 



general geographic and stratlgraphlc distribution ot 



the species referred to If'Q 



general stratlgraphlc distribution and number of Cam- 

 brian species and varieties of Ill- 

 number ot Ordovician species and varieties of 113 



munber of species of, In different types of sediment. . . 160 



reference to, of Huenella abnoTmis discussed S06 



type species " Trlplcsia lateralis^ ^ 798 



shell structure compared with that of Huenella 300 



spondylium discussed 307 



typical Cambrian species Syntrophia rotundata 798 



Ulrich on spondyhum 308 



alata, described 799 



general geographic and stratigraphic distribution tab- 

 ulated 109. 



type specimen figured PI. CIII, fig. 3a 



barabuensis, described 799 



compared with Protorthis heUna 740 



Syntrophia primordialis 804 



Syntrophia unxia 805 



general geographic and stratlgraphlc distribution tab- 

 ulated 109 



tj-pe specimen not figured. 



cakifcra, described 800 



compared with Clarkella montanensis 810 



Stricllandinia 798 



Syntrophia Cambria 801 



Syntrophia nundina 802 



Syntrophia jnimordialis 804 



general geographic and stratigraphic distribution tab- 

 ulated 109 



surface ornamentation discussed 303 



type specimen figured PI. CIV, fig. Ic 



Cambria, described 800 



general geographic and stratigraphic distribution tab- 

 ulated 109 



type specimen figured text fig. 72B, .800 



campbelli, described 801 



general geographic and stratigraphic distribution tab- 

 ulated 109 



type specimen figured text fig. 73A, 801 



lateralis, described 802 



compared with Syntrophia rotundata 804 



described in text following generic reference 798 



general geographic and stratigraphic distribution tab- 

 ulated 109 



shell section figured text fig. 11, 299 



shell structru'e compared with that of Huenella ab- 



normis 300 



type specimen not figured. 



nundina, described 802 



compared with Syntrophia calcifera 800 



Syntrophia Cambria 801 



general geographic and stratigraphic distribution 



tabulated 109 



type specimen figured PI. CII, fig. 4 



orthia, described 803 



general geographic and stratigraphic distribution 



tabulated 109 



type specimen figured PI. CIV, flg. 4 



primordialis, described 803 



compared with Huenella billingsi 806 



Syntrophia barabuensis 799 



Syntrophia calcifera 800 



Syntrophia orthia 803 



Syntrophia primordialis argia 804 



Syntrophia unxia 805 



general geographic and stratigraphic distribution 



tabulated 109 



type specimen figured PI. CII, figs. 2d and 2e 



Syntrophia primordialis argia, described - 804 



general geographic and stratigraphic distribution 



tabtilated 109 



type specimen figured PI. CII, fig. 3 



rotundata, described 804 



compared with Clarkella montanensis 810 



Syntrophia campbelli 802 



cruralium discussed 309 



general geographic and stratigraphic distribution 



tabulated 109 



has a descendant in Clarkella montanensis 810 



spondylium or cruralium discussed 307 



type specimen figured PI. CIII, fig. 4o 



typical Cambrian species of SyrUropliia 798 



"texana," type of Huenella 805 



? unxia, described 804 



general geographic and stratigraphic distribution 



tabulated 109 



type specimen figured text fig. 74, 805 



Syntrophiidffi, classification of 321, 326 



distribution in Cambrian strata 316 



genera and species referred to, described 796-810 



general stratigraphic distribution and number ot Cambrian 



genera and species of 112 



number of Cambrian genera and species ot 112 - 



munber ot genera and species in monograph 113 



number of Ordovician genera and species in monograph 113 



septa discussed 310 



Ulrich on spondylium 308 



Systemic reference of formations discussed 98 



taconica, see Acrotreta sagittalis. 



Tatern Ilelig, North Wales, locality at 318k 



Tal-hirion, Wales, locality near 305e 



TaUng, China, locality at 332a 



Taquamenon Bay, Michigan, locality on 330 



tarpa, see Lingulella. 



Tate, R., bibliographic reference 24 



species named for 789 



tatei, see Eoorthis. 



Tatur Hill, Burnet County, Texas, localities on 67, 67c, 67z 



Taylors Falls, Minnesota, locaUties near 82b, 339d, 339] 



Tazewell road, near KJnoxville, Tennessee, locality on 118 



Teeth, defined 295 



Tejfo^-ik, Bohemia, localities near 345a, 3461 



Telotremala, defined 295 



Temiscouata Cormty, Quebec, localities in 2ii, 3191 



Tennessee, Cambrian species of, listed 114-119 



generalized section of Cambrian in, listing Included and 



correlated species and localities 147 



localities in 2z, 



7d, 9, 9a, 10a, 10b, 11, Ha, 12, 12q, 13, 13b, 14a, 18, 101, 

 101a, 101b, 102, 102c, 103, 103a, 103b, 104, 105, 106, 106a, 

 107, 107a, 107b, 107o, 107u, 117, 117c, 118, 119, 121, 121a, 

 122, 122a, 123, 124, 124a, 128, 128a, 374, 374a-e 

 tcnnessecnsis, see LinnarssoneUa. 



Tepee Creek, Bighorn Mountains, Wyoming, locality on 168 



Terminology adopted 291 



Terminology of different authors tabulated 292 



Terrapin Creek road, near Center, Alabama, locality on 93a 



tetoncnsis, see Acrotreta microscopica and Obolus. 

 .etoncnsis leda, see Obolus. 

 lelonensis ninus, see Obolus. 



Teton Mountains, Wyoming, localities in 4e, 4m, 4n, 4o 



texana, see Eoorthis remnicha, Huenella, and LingulellaT 

 texana la'tiusculus, see Huenella. 



Texas, Cambrian species of, listed 114-119 



localities in 14b, 14c, 14e, 14g, 14i, 14q, 14r, 



67, 67c, 67z, 68, 68e, 68y, 68z, 69, 70, 70a, 70e, 71, 353, 353a-c 



note on stratigraphic position of localities in 143 



Thcca, association mentioned 767 



themis, see Obolus ( Westonia). 



Theresa, New York, locahty near 185a 



Thermopolis, Wyoming, locality near 302p 



Thomas MUls, Floyd Coimty, Georgia, locality near 140a 



Thomas ranch, Juab County, Utah, locaUtles near 15d, 33d, 34g 



Thomas Range, see Dugway Range. 



Threetorks quadrangle, Montana, localities in 4g, 



4h, 4k, 4p, 149a, 150a, 152a, 152b, 153, 153a, 154, 155, 

 155a, 156b, 157, 158, 158a, 160, 160a, 302k, 3D2t, 340b 



