822 



CAMBRIAN BRACHIOPODA. 



Brachiopoda — Continued. ' 



evolution .\ 316-320 



habitat '. 159-160 



localities 161-291 



number ol genera in divisions ot Cambrian 31G 



percentage of genera and species included in OboUdge, Acro- 



tretidee, and Billingsellid^ 315 



setse of, figured 3(i2 



shell structure 296-300 



structural features 300-320 



summary tables 110-113 



synonymy table 27-98 



terminology 291-296 



Braintree, Massachusetts, locality at 5 



Braintree slate (Middle Cambrian), locality in 326b 



"Brandsehiefer" (Ordovician), in generalized section lor Russia, 



listing species and localities 143 



locality in 337d 



Brantevik, Sweden, locality at 310z 



Bras d'Or Lalce, Cape Breton, localities near lOo, 



lOr, 131, 13r, 307j, 325; 325b, 325c, 372d 



Brecknockshire, Wales, locality in 366r 



bretonensis, see Obolus {Palxobolus). 



bretonensis lens, see Obolus (Palxobolus). 



"Bretonian" (Upper Cambrian), generahzed section of, listing 



species and localities 131 



locality in 13q 



See also Divisions C2 and C3. 



Briceville quadrangle, Tennessee, locality in 7d 



Bridger Range, Montana, localities in 147a, 148a, 151, 151a, 152 



Brigham, Utah, localities north and east of 31y, 32c, 32ii, 



32p, 32x, 32y, 33j, 33t, 34m, 34q, 54k, 54q, 54r, 55e, 105x, 329 

 Brigham quartzite, in detailed section in Blacksmith Tork, Utah, 



listing included and correlated species and localities 1S2-153 



line between Lower and Middle Cambrian in 153 



Bristol, Tennessee, locality near 2z' 



Bristol County, Massachusetts, localities in 326a, 326d 



Bristol quadrangle, Tennessee, localities in 2z', 374c 



British Columbia, Cambrian species of, listed 114-119 



detailed section for, with included and correlated species 



and localities 125-131 



localities in 14s, 



35c, 35f, 35g, 35h, 35k, 57c-g, 57j, 67k, 67m, 67n, 

 57r, 57s, 57y, 58f, 58j- 1, 58p, 68r, 58s, 58z, 60b, 306 

 Mount Bosworth section, in detail, with included and cor- 

 related species and localities 125-131 



Brogger, W. C, acknowledgments 12 



bibliographic references 14 



(Brbggcria), see Obolus (Broggeria). 



Bronsil shales (Upper Cambrian), in generalized section for Eng- 

 land, Scotland, and Wales, listing species and localities. . . 135 



localities in 304, 304a 



Brown's quarry, Prairie du Sac, Wisconsin, locality at 85a 



Bruachaig River, Scotland, locality on 316c 



Brunswick, New York, locality neai- 2d 



Bryn Melyn, North Wales, locality at 366o 



Brtjograptus slate (Upper Cambrian), in generalized section for 

 Sweden, Denmark, Finland, and Norway, listing species 



and localities 145 



locality m 309a 



systematic reference discussed 98 



Buch, C. L. von, bibliographic references 14 



Buchava quarry, near Skiej, Bohemia, locality at 345d 



buchi, see Keyscrliyigia. 



Buck Creek, Alabama, locality near 56c 



Buckingham Ford on Hollis Creek, Tennessee, locality at 117c 



Buffalo County, Wisconsin, locality in 328e 



Buffalo Creek, Montana, locality near 302f 



Buffalo Creek, Virginia, locality on 92b 



Buffalo Fork Peak, Wyoming, locality near 302v 



Buffalo MiUs, Virginia, locality near 92b 



Builth, Wales, locality near 366r 



Bull Hill Cottage, South Shropshire, England, locality at 304k 



Bull Run, Tennessee, localities in 107, 107a, 107b 



BuUwhacker mine, Eureka district, Nevada, locality near 64 



Bunker HiU, Teimessee, locality on 12q 



Burgess, Canada, locality at 392 



Burgess Pass, British Columbia, locality near 35k 



B urgess shale, mentioned 127" 



Burgess shale member of the Stephen formation (Middle Cani- 



brian), locality in 35k 



Burling, Lancaster D., acknowledgments 13 



work on Cambro-Ordovician boundary in British Columbia, 125 



Burling, Mrs. Lancaster D., species named for _. 758 



Burnet, Texas, localities near 67, 67c, 67z 



Burnet County, Texas, localities in. 67, 



67c, 672, 69, 70, 70a, 70e, 71, 353a 



Burr, H. T., bibhographlc reference 15 



Butts, Charles, species named for 484 



buttsi, see LijiguUlla. 



Caballos Mountains, New Mexico, localities in 327, 327a-c 



Cable Mountain, Montana, locality on. _ 340e 



Cabo Busto stage (Ordovician), localities in 350a, 360b 



Cache County, Utah, localities in 31c-e, 



31h, 31 1-n, 31z, 32d, SSe, 54a-p, 64y, 55h, 55ii, 55t, 185z, 329a 

 cselata, see Botsfordia. 



Caer-fai, Wales, locality at 366c 



Caerfai group (Middle Cambrian), in generalized section for Eng- 

 land, Scotland, and Wales, Msting species and locahties ... 136 



localities in 3181, 366c 



Cairn Burn, Scotland, locality at 316b 



calcifcra, see Sgntrophia. 



"Caleiferous sandrock" (Lower Ordovician), Lingulella {Lingu- 



lepis) acuminata in, discussed 547 



localities in 319t, 319u, 338u 



mentioned 509 



"Calciferous sandstone," mentioned 551 



Caledonia, Missouri, locality near 369d 



CaUfornia, Cambrian species of, listed 114-119 



localities in 7, 8b, 14 1, 14n-p, 63, 176, 176a, 178a, 312, 312a 



species and localities correlated with those of Nevada 137-138 



Callaway, C, bibUograpliic references 15 



Calls Fort, Utah, locality near 329 



Camarella, compared with Swantonia 797 



"calcifcra,^' compared with Clarkella raontanensis 810 



compared with Striclclandinia 798 



mention ed 798 



volbortM, compared with Swantonia antiquata 797 



Cambria, see Schuch^rtina and Sgntrophia. 



Cambrian , number of genera in divisions ot 316 



sedimentation in Cordilleran region mentioned 148 



species of Asia, zoologic hst of, gi^mig distribution by coun- 

 tries 121-122 



species of Europe, zoologic list of, gi%'ing distribution by 



countries 120-121 



species of North America, zoologic list of, giving geographic 



distribution by States and geologic pro%'inces 114-119 



See also Lower, Middle, and Upper Cambrian, and Passage 

 beds. 



Cambridge, New York, localities near 36, 338x 



Cambridge quadrangle, New York, localities in 21 



33, 33b, 3G, 36b, 37, 37b, 39a, 43, 43a, 

 45a, 338c-g, 3381, 3381,338o, 338p, 338x 



Camerdla, mentioned 802 



"antiqua," type of Swantonia 797 



"sp. Shumard" discussed 808 



Camlan, North Wales, locality at 318e 



Campbell, M. R ., bibliographic reference 15 



species nagied for 802 



campbelli, see Sgntrophia. 

 Camp Creek Canyon, see Queens Canyon. 



Canada, sec Alberta, British Columbia, Labrador, Ontario. Que- 

 bec, New Brunswick, Newfoundland, Nova Scotia, and 

 Cape Breton. 



Canadian Pacific Railway, Canada, localities on line of 14s, 



35c-ll, 35k, 57c-g, 57j, 57k, 57m, 57n, 67r, 

 57s, 57y, 68f, 581-1, 58p, 58r-t, 58w, 68z, 60b 



Canal Grande, Sardinia, localities at 354, 354c, 354e, 364f 



cancellata, see Acrotma. 



Cane Creek Mountains, Alabama, locality in 137 



Cane Pass, Utah, localities at 34r, 34t 



cania, see Lingulella. 



Canon Ferry, Montana, locality near 9h 



Cantabrian Mountains, Spain, locality in 350 



Canyon quadrangle, Wyoming, locality in 4j 



Canyon Range, Utah, locality in 33 



