INDEX. 



857 



Oholus {Westonia) chuarensis, described 454 



compared with Lingulella dubia 495 



Lingulella quadrilateralis 528 



Oholus ( Westonia) euglyplius 462 



general geographic and stratigraphic distribution 



tabulated 101 



surface ornamentation characterized 450 



type specimen figured PI. XXV, fig. 2 



daTtoni, described 455 



general geographic and stratigraphic distribution 



tabulated 101 



type specimen figured text fig. 40A, 455 



ella, described 455 



compared with Acrotreta 672 



Acrotreta hisecta 674 



Acrotreta gemmula 374, 686 



Acrotreta inflata 674 



Acrotreta prim^va 672, 674, 700 



Acrotreta sabrinse 674 



Lingulella bellula 482 



Lingulella dubia 495 



Lingulella grandis 502 



Lingulella helena 506 



Lingulella mosia 520 



Lingulella ora 622 



Lingulella radula 529 



[ (Lingulepis) roberti 557 



gilis 393 



Obolus f mirandus 405 



Oholus refulgens 410 



Obolus ( Westonia) alandensis 451 



Obolus ( Westonia) aurora 452 



Oholus ( Westonia) chuarensis 454, 455 



Obolus ( Westonia) dartoni 455 



Obolus ( Westonia) ella onaguiensis 459 



Obolus ( Westonia) euglyphus 461,462 



Obolus ( Westonia) themis 466 



Obolus C Westonia) wasatchensis 466 



Obolus ( Westonia) sp. undt. a 468 



general geographic and stratigraphic distribution 



tabulated 101 



surface ornamentation characterized 450 



type specimen figured PI. XLVII, fig. lb 



cHa onaguiensis, described 459 



general geographic and stratigraphic distribution 



tabulated 101 



type specimen figured PI. XLIX, fig. 6 



^OfigatuSj described 459 



general geographic and stratigraphic distribution 



tabulated 101 



type specimen figured PI. LXIII, fig. 8a 



escasoni, described 459 



compared with Obolus apollints 460,472 



Oholus wortheni 421 



general geographic and stratigraphic distribution 



tabulated 101 



muscle scars discussed 312 " 



surface ornamentation characterized 451 



type specimen figured PI. XLIX, fig. la 



euglyphus, described 461 



cardinal area discussed 304 



compared with Lingulella lineolata 516 



Lingulella upis 538 



Obolus ( Westonia) chuarensis 454,455 



Obolus ( Westonia) dartoni 455 



Obolus ( Westonia) ella 456 



general geographic and stratigraphic distribution 



tabulated lOi 



surface ornamentation characterized 450 



type specimen figured PI. XLVIII, fig. Ic 



Jinlandensis, described 462 



compared with Obolus ( Westonia) bottnicus 454, 684 



Obolus ( Westonia) elongatus 459 



Obolus ( Westonia) wasatchensis 467 



Obolus ( Westonia) wimani 468 



general geographic and stratigraphic distribution 



tabulated 101 



stratigraphic position of, discussed 451, 454 



surface ornamentation characterized 451 



type specimen figured PI. XLVIII, fig. 3 



Oholus ( Westonia) iphis, described 462 



compared with Oholus ( Westonia) notchensis 463 



general geographic and stratigraphic distribution 



tabulated 101 



type specimen figured PI. XLIX, fig. 4b 



lamellosus, described 463 



general geographic and stratigraphic distribution 



tabulated 101 



surface ornamentation characterized 451 



type specimen figured PI. XII, fig, 7 



notchensis, described 463 



general geographic and stratigraphic distribution 



tabulated 101 



type specimen figured Pi. LXIII, fig;. 9 



rogersi, described 463 



compared with Obolus (Linguloholus) affinis 43i 



general geographic and stratigraphic distribution 



tabulated 101 



surface ornamentation characterized 451 



type specimen figured PI. XLII, fig. 2 



stoneanu-s, described 465 



compared with Lingulella kiurensis : 512 



Lingulella oweni 523 



Lingulella welleri 539 



Obolella (Glyptias) favosa 600 



Obolus ( Westonia) lamellosus 463 



Obolus ( Westonia) notchensis 463 



Obolus ( Westonia) rogersi 464 



general geographic and stratigraphic distribution 



tabulated 101 



surface ornamentation characterized 450, 451 



type specimen not figured. 



themis, described 466 



general geographic and stratigraphic distribution 



tabulated 101 



type specimen figured PL XI, fig. 2 



wasatchensis, described 466 



general geographic and stratigraphic distribution tab- 

 ulated 101 



type specimen figured text fig. 41A, 467 



wimani, described 467 



compared with Obolus ( Westonia) Alandensis 451 



Obolus ( U esfonia) blackweldcri 453- 



Obolus ( Westonia) finlandensis 462 



general geographic and stratigraphic distribution tab- 

 ulated 101 



stratigraphic position of bowlder containing, dis- 

 cussed 451 , 454, 468 



type specimen figured PI. XLVIII, fig. 5 



sp. undt. a, described 468 



general geographic and stratigraphic distribution tab- 

 ulated 101 



type specimen not figured. 



sp. undt. b, described 468 



general geographic and stratigraphic distribution tab- 

 ulated .' 101 



type specimen not figured. 

 Obookhov, see Obuchow. 

 obscura, see Billingsella. 

 obscurus, see Oholus. 



Observatory Hill, Maryland, locality on 47e 



ohtusus, see Oholus (Schmidtia). 



Obuchow (Obookhov), St. Petersburg, Russia, locality at 337J 



occidens, see Mickwitzia. 



Odensholm Island, Esthonia, Russia, localities on 336b, 337c, 395v 



O'Donnell and McManniman's quarry, Newton, New Jersey, 



locality in He 



Oehlert, D. P., bibliographic references .' 22 



celandica, see Acrotreta. 



Oeiand Island, Sweden, localities on 8z, 



309f, 309j, 309m, 310, 310a-g, 310i-k, 310m, 310o, 310p, 310r, 310s, 

 310w, 320g, 320p, 320q, 320s, 321x, 390, 390a, 390c-e, 390i, 390m 



Oestersund, Sweden, locaUty near 320 1 



Ofverby, Aland Island, Finland, locality at 311t 



Oregrund, Sweden, locality near 311t 



Osthammar, Sweden, localities near 311a, 311p 



See also Fanton Island. 



Ostra Rynninge, Sweden, locality at 320u 



Oxna (Oksna), Norway, locaHty at 323u 



Ogden, Utah, localities east of 30p, 30q, 30s 



