PART I CHAZYAN AND RELATED BRACHIOPODS—COOPER Vv 
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SME PEE SUID NE Tg. cisierr ete vere 'e's bles oe cee gel oeeistle sete ates «feghepslt.s 48 
ERE sa Raat HONTIALEL OM sce va lcve aro’ ove tp ialanang’s eis were he iGkalaneie wnerotagelh tapered -vspererst eee ease: 48 
lack ford GOrmA ON. ...,.0ie0's2e-eteotbiasset> Gteuoosns b>: de qocheyaaiew ashalronste« 48 
Bilgelshtousesfosimatomyy pens alm aeleie wiele ieipieleiele cis ous in chia io oiafenatobonersel merce ajtae:- 49 
Botetaumt formation) ) ii. 000% sbo> oe Reseed cabal ha -eadeee dyationdd:. 49 
Correlationyof Botetourt, formation,..<..tareiewrary.moetserae- tis raitierdarstore ads) -vee 50 
Bowenttonmation se, 2:26.. oSaeeeiasehreeteriop te Ato. sradlienisp gestatiodd=. 50 
Burkes Garden member of Benbolt formation.........00 ...ccesceceewcceece 50 
GanevGreeleformation ts, } ase antares eebsertt wetness hada» Bee. ctembteersrete! the o,0:0 51 
Gaslinailimestone i...) bers seis ieei wie o ein Win isco wurlene wie reper toate oS ere bospavel anand «xe 51 
Centre Hall member of Nealmont formation. .............c.ceeeeesceeceees 52 
Chambershurei formation. |.....hasdtaeaish aera dd «Seq sreratletenisy. bistete thsi: 52 
Chatham: Tid) formation... co. Aen -asmietha- jo qokent. allt. onen ds. 53 
Correlation; of Chatham: Hill formation yt ..teny,).iaeuyen. 2a. mardtadswetsebsioeie 53 
Ghickaimanoa limestone: 5 ..j5 bic cos meicie® else eae trnater Bese atew panies 53 
Ghotasiormation i. Deswed dessa ee's shotiteaes? elise a. de sedans oe 56 
Gliteldetormationier wat i. Soi wlowinewe ous coiew sabia e eee. e REI Oita te. 56 
Aifheld Peroni suis poo rece oe oRepaeIRs “ems t <tolsdet- de tebialavsie a> .<.< 56 
Clover member of Loysburg. formations; 63 «scat. ia was} diabh wetrenit.t.. 56 
Gollicsstownoformation) osc sess oreo cas atte bikie Ba- Cc eomaa. <2: 56 
Gorrelationvot Gollierstown formation, . .oo...- oo. -cesksses «ee eieelemacice. 56 
Columbianasfonmation: jo os. doce. pmseeeek oe eieetietishade te oweablenbot recto sc. 57 
Custin formationy Saved also oc cree cic wie ewe Pein ve wes Hi@eleernen a wlare deci h ts be 57 
WD OLHLOTMALOWWE:: 6s crocs prec ieiow aid wee  w LHNGTROR OR cies AL ONs de Fel ARTE EE eters: 57 
CopcelationyotmDot, fOrmatiOnig oicee cuss coir ve oleh oh RRO eaee cekeals 57 
Donelasake member of Lenoir; formation, .\...\. 0+. teetemees aeeieeseet. 57 
Doylesburg member of Shippensburg formation.................00.000 eee 57 
Correlation, of Doylesburg, member... «-o.rieeery see msieie SOR RaOD “INET & 58 
Mrgaen, TOemaHon veins sess sex pelese coe CAcicw ie wace steed -cinaath »iepiag hd. < 58 
Bidinb ip oyOLMAtlOUls oc cicc cue wee wwe owes oeup ou otto Reet oe ReReete sets. 590 
Beaawacmation Siu Joi Uaresiie coer ccs redveccre +See him aponne eM... 60 
Correlation yot dE fina, FOrMaAlOs eee nieces c een ou nthieeiebht= Se eple eee =< 61 
Peamlestenormiamonis, }. Louie fdeses vel oe oes ore eee OHMS ARIOOeR 61 
Eidson member/of. Lincolnshire, formation. . { ssjoshvc.) sewtiacwzot .wrindeodd.. 61 
Bere i OnmaAMOR ALES oe edececeevccwe cveweravev cane e Me@ateeel assed... 62 
Bway ORInAtion, ee ate Gets toe elne eee cic ieee op wneteas Peete Sapa eds. 62 
GorrelationotHlway, formation. ... 46.0 recesses Mette RO ve. teRd.. 62 
Eyerjameniber of) Hatter. formationstinasck -iwunies. 3. sedonunn Heh olets. 62 
Correlation: of Eyerimemberiitey o. is cceccoesccee o> HORIeaw. Sun Ee 63 
Fannettsburg member of Shippensburg formation................eeeceeeees 63 
Correlation of -Fannettsbure:member..cetteexel chant. Io.wollalerm>.... 63 
Farragut, formation: ceecseu.. i een. mid anions Wes) units oragb aoamek 63 
Gorselatipal df Marraent, formations ...5 06 uccensea our elie... 64 
Peteer itoneueloet Arne, formation... ...<.<..csoc-c.s..0..0nvtarsel.¢teed.. 64 
Pave Oaks carsiatiourlis bore. Pepeetlue. snc cascu ooo smetenneh mnedled... 64 
Micanor (OMAHA 0 cena nw Gene, Sule do. tedeswe. geese nid... 65 
(Corrclation.of JPleanor formation, ; . .vatdese.piudseotS. is. weliglewwd.... 65 
rotten MIGRATION cc bce nner acc dhonavckdemdecsusepesvu dRIRMTOR Mestad... 65 
Grazier member on Flatter formation... .uckisanet .eded os .wellaiont.... 65 
CorrelationvoreGrazier  MeEMDEL: «x oc cc ciou owoe'e oie ofS eAIssed er ees aR Ee : 65 
Greencastle ched | .2io0:00..ou20% SEG eet aricd eine daa SE. Herne L550 65 
foodie, Creel WOMMALON. bhi y Uccebkk LOWe boon seou cteobioarnat. wen bak. 65 
Hattermiormations senzib2. beeese eek ue Basia ta ble bo okte eretlewni asc... 66 
