Ix 



THE PALEONTOLOGY OF MINNESOTA 



flliforrne, 113. 



radiciformis, 113, 112. 



stellatum, 113*. 

 Ascodictyonidte, 112, 107, 114. 

 Aspidopora, 264, 107, 255, 257, 290. 



areolata, 254, 255. 



calycula, 255. 



eccentrica, 255. 



elegantula, 256, 255, 257. 



newberryi, 257, 255. 



parasitica, 255, 254, 256, 259, 259. 

 Asterophyllites, 2. 

 Astraidse, 83. 

 Astraeopm-a vetusta,94. 

 Atactopora, 107, 222. 

 Alactoporella, 222, 106, 228. 



crassa, 225 . 



insueta, 224, 226, 256, 259. 



newportensis. 227. 



ortoni, 307. 



ramosa, 226. 221, 227, 241. 



schuchertl, 226, 225. 



typicalis, 223, 222-225. 



var. praecipita, 223, 224. 

 Atremata, 338. 

 Atrypa, 470, 337, 465. 



bisulcata, 470. 



capax, 462. 



extans, 408. 



hemiplicata, 382. 



increbescens, 462, 459. 



modesta, 467. 



recwvirostra, 466. 



reticularis, 465, 457, 466. 



subtrigonalis, 459. 

 Atrypidae, 465, 466, 470. 

 Aulopora, 95, 84, 89, 115. 



arachnoidea, 95. 



trentonensis, 95, 84. 

 Auloporidaa, 95. 

 Avlcularia, 97. 



Bactropora, 106, 110. 

 Baculites, 53. 



Batostoma, 288, 98, 104, 107, 277, 278, 285, 289. 290, 

 296, 299, 299, 302, 303, 308, 317. 



decipiens, 298, 277. 



fertile, 291), 288, 289, 293, 303. 

 var. circulate, 290, 288, 291. 



humile, 294, 293. 



imperfectum, 301. 



implicatum, 288, 296. 



irraswn, 299. 



jamesi, 288, 295, 296. 



magnopora, 291, 288, 328. 



ruanitobense, 291. 



minuesotense, 297, 293. 



montuosum, 293, 227. 



ottawense, 300. 



veriabile, 288, 291. 



varium, 292, 294, 295. 



winchelli, 295, 95, 277, 278, 293, 297, 298. 

 var. nodosa, 295. 

 var. spinulosum, 296. 



Batostomella, 107, 102, 1 10, 111, 228, 264, 308 



annulata, 229. 



gracilis, 228. 



meeki, 228. 



obliqua, 265. 



perspinulata, 229. 



simulatrix, 265, 228. 



spinulosa, 229. 



Batostomellida), 263, 107, 265. 

 Benton group, 3. 

 Berenicea, 12O, 102, 107-109, 115,116 121. 



diluviana, 120, 115. 



minnesotensis, 12O, 115, 119. 



primitiva, 121. 



vesiculosa, 121. 

 Betula, 5. 

 Bidiastopora, 121. 

 Bilobites, 444. 

 Bolivina, 33, 28. 



antiqua, St. 



dilatata, 33, 52. 



elongata, 34. 



presli var. punctata, 34. 



punctata, 34, 52. 

 Botryllopora, 107, 110. 

 Botrylloporidas, 107. 

 Brachial (dorsal) valve, 335. 

 Brachiopoda, 338, 186; chapter, 333-474 

 Brachiospongia, 70. 

 Bryozoa, 112, 105; chapter, 96-332. 

 Bulimina, 32, 28. 



affinis, 32, 52. 



ovulum, 32. 



presli var. punctata, 34. 



pupoides, 32, 52. 

 Bumelia marcouana, 22. 

 Buskopora, 107, 110. 

 Bythopora, 263, 102, 107, 265, 267, 308. 



alcicornis, 264, 267. 



arctipora, 264. 



fruticosa, 263. 



herricki, 263, 264, 267. 



striata, 263. 

 Bythotrypa, 324, 322. 



laxata, 325, 306. 



Calamarieae, 2. 

 Calatuites, 2. 

 Calcispongiie, 77. 



Callopora. 275, 103, 107, '186, 215, 223, 263,266,276, 

 277, 284, 285, 288, 290, 298. 



ampla, 281, 215, 276, 279, 282. 



andrewsi, 276. 



angularis, 277, 215, 276, 278, 279, 281, 282, 298. 



crenulata, 284, 276. 



dalei, 276, 215, 283. 



dumalis, 282, 215, 276. 



elegantula, 276. 



goodhuensis, 282, 276, 279, 281. 



incontroversa, 277, 215, 276, 279. 



magnopora, 277, 276. 



multitalmlata. 28O, 215, 276-278, 281, 282. 



nodulosa, 276. 



perelegans, 276. 



