844 



CAMBRIAN BRACHIOPODA. 



maculata,see Acrofhele. 



Madison, Wisconsin, locality near 85z 



Madison County, Missouri, localities in llj, 369f, 369h 



Madison County, Montana, locality in 149a 



Madison Mountain, Montana, locality at 302w 



Maentwrog, North Wales, localities near 3181, 318m 



mxra, see Oholus. 



magna, see A crotreta sagittalis. 



. Maiden Arm, Hare Bay, Newfoundland, locality at 314^ 



major, see BUlingsella, Micromitra {Patenna), and Rustella. 

 Malad City, see Malade. 



Malade, Idaho, localities near 4y, 5a-c, 5h, 54s-x, 55d 



maladensis, see Micromitra (Iphidella) pannula. 



Mallada, L., bibliographic reference 20 



Malmohus, Sweden, localities in... 309, 303a, 309b, 309e, 309h, 309i, 310h, 

 310t-z, 320d, 320j, 320k, 321s, 321t, 321z, 323j. 323k, 390b, 390g 



Malvern Hills, England , localities in 304, 304a-g 



Malvern "quartzite" (Lower Cambrian), in generalized section for 

 England, Scotland, and Wales, listing species and locali- 

 ties 136 



localities in 304c, 304d 



Main vascular canals, shown in figure 374 



Mammoth, Utah, localities near 34n, 34s 



Mammoth limestone (Middle Cambrian), localities in 34ii?, 34s 



Manitou, Colorado, localities near 186, 186a. 187, 360a, 360f, 360g 



manitouensis, see Schizambon. 

 manticula, see Lingulella. 



Manto shale (Lower Cambrian), localities in C3, C17, C20 



Manuels, Conception Bay, Newfoundland, localities near 5p, 5r 



Manuels Brook, Conception Bay, Newfoundland, localities on 1, la, 



2, 3, 6 1, 6n, 6r, 6u, 6v, 41, 314h 



Manuels Brook section, in detail, listing species and localities 140-141 



species associated with Lingulella fenuginea in 498 



Manuels Brook section, 6 (Middle Cambrian), locaUties in la, 6 1, 6n 



Manuels Brook section, 7 (Middle Cambrian), localities in 1, 2 



Marble River, New York, locality on Ill 



Marchillyn-mawr, North Wales, "locaUty at 366e 



Maree, see Loch Maree. 



Mariehamn, Aland Island, Finland, localities in.. 311f, 311q, 311w, 311y 



Marienwerder, AVest Prussia, locality near 386 1 



Mariestad, Sweden, localities near 309d, 390j 



marion,'see BUlingsella. 



Marion Bridge, Cape Breton, locaUties at and near 3h, 



31, 3n, 10s, lot, llz, 307g 

 Marjum limestone (Middle Cambrian), in detailed section in House 

 Range, Utah, listing included and correlated species and 



localities 155-156 



localities in 3w-y, 8i, lOy, lOz, lln-q, llx, lly, 15c, 30g, 30z 



Marjum Pass, House Range, Utah, localities near 3w, 



lOy, lOz, lln, lip, 30h, 30j-n, 30n', 30o, 30w, 30z, 31t 

 marjumen^is, see Acrotreta. 



Marthas Vineyard, Massachusetts, locaUty on 326 



martinensis, see Lingulella. 



Mary Dingle, England, localities at 304h, 3041 



Maryland, Cambrian species of, listed 114-119 



localities in 16f , 47d-f 



note on stratigraphic position of localities in 159 



MaryviUe limestone (Middle Cambrian), in generalized section for 

 Tennessee, Georgia, and Alabama, listing species and .lo- 

 calities 147 



locality in 123 



Massachusetts, Cambrian species of, listed 114-119 



first notice of fossiliferous Ordovician pebbles in 464 



locaUties in 5, 9n, 326, 326a-g 



matthewi, see Acrothele. 

 matthewi cryx, see Acrothele. 

 matthewi lata, see Acrothele. 

 matthewi multicostata, see Acrothele. 



Mathews, E. B., [Clark, W. B., and], bibliographic reference 15 



matinalis, see Oholus. 



Matley, C. A., bibliographic reference 20 



Matthew, George F., acknowledgments 12 



bibliographic references 20, 21 



species named for 649 



Maxfield Mine, Big Cottonwood Canyon, Utah, localities near. . 331, 55u 

 maximus, see Obelus apollinis. 



Maynardville quadrangle, Tennessee, locality in 11a 



Mazomanie, Wisconsin, localities near 85x, S85x, 328p 



Mazouka Canyon, California, locality in 176a 



r County, Montana, localities in 5f, 5k, 9h, 340 



Meall A Ghiubhais near Loch Maree, Scotland, localities on 316c, 316d 



Meath, Ireland, locaity in •. 317a 



Mecklenburg-Schwerin, Germany, locaUties in 386e-g 



Median ridge, shown in figure 374 



Median septum, defined 294 



sho^vn in figure 374 



Meek, F. B., bibliographic references 21 



species named for 550 



Meek, F. B., and Hayden, F. V., bibliographic references 21 



meeld, see Lingulella {Lingulepis) acuminata. 



" Meekina prima," discussed 669 



Megalaspis planilimbata zone, in generalized section for Russia 143 



See also Planilimbata limestone. 



Melinda Ferry, Tennessee, localities near 9a, 101, 101a, 101b, 102 



memhranaceus, see Obolus. 



mencghinii, see Obolus. 



Menevian group, in generalized section for England, Scotland, 



and Wales, listing species and localities ' 136 



mentioned , 723 



species associated with Lingulella ferruginea in 49S 



Menevian (Middle Cambrian), locaUties in . 318d-f , 318h, 318J-1, 318p, 318r 

 Menomonie, Wisconsin, locaUties at and near.. 79a, 80, 82a, 100, 134, 134a 



Mercersburg, Pennsylvania, locality near 346b 



Merionethshire, North AVales, locaUties in... 305f, 318, 366a, 366f-q, 366s 



Meseritz, Germany, locaUty near 386h 



Mesonacis torelli zone (Lower Cambrian), in generalized section for 

 Sweden, Denmark, Finland, and Norway, listing species 



and locaUties 146 



mentioned 596 



locality in 3217" 



Metadoxides, Bssocmtion mentioned 584 



Metis, Quebec, locality at 319h 



stratigraphic position of beds at discussed 705 



See also Little Metis. 



Mettawee quadrangle. New York, localities in ■ 22a, 38c, 338v 



Mettawee River, New York, localities on 20, 21a 



Meyer's mill, near EmigsviUe, Pennsylvania, locality at 49 



Michigan, Cambrian species of, listed 114-119 



localities in 330, 330a, 330b 



note on stratigraphic position of localities in 159 



Mickwitz, A., acknowledgments 11 



bibliographic references 21 



genus named for 329 



mentioned 367 



minute discriminations by, discussed 378 



species and varieties of Obolus and subgenera recognized by, 



in R ussia, listed 3S0' 



species named for 404 



subgenus named for 434 



( J\lic'kwilzclla),see Obolus ( Mickwitzella). 

 mickwitzi, see Obolus. 



Mickwitzia, described 329 



cardinal area discussed 303 



classification of 321, 322* 



compared with Helmerscnia 368 



Micromitra 329, 330, 331 



Schizocrania 331 



evolution discussed 313^ 



evolution of 317 



false cardinal area mentioned 318 



general geographic and stratigraphic distribution 



of the species referred to 98 



general stratigraphic distribution and number of Cam- 

 brian species and varieties of 110 



muscle scars not shown in 312 



number of species of, in different types of sediment 160 



surface ornamentation discussed 301, 302 



type species "Xm^uZa ? monilifera" 329 



formosa, described 329' 



compared with Mickwitzia monilifera 329, 330, 331 



general geogi'aphic and stratigraphic distribution 



tabulated 98 



type specimen figured PI. VI, figs. 3, 3a-c 



monili/era , described 330 



cardinal area discussed 303 



compared with Helmersenia ladogensis 368 



Kutorgina perugata 584 



Mickwitzia formosa 329 , 330, 331 



Mickwitsia pretioza 332 



Mickwitzia sp. undt 332- 



