PART I CHAZYAN AND RELATED BRACHIOPODS—COOPER xi 
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eatery E SCROLL VCO ciciee salsa cisiov ans ses cok cues sa daiee asineeasersnennes 617 
Sseieoiniityr PTOtOrHyMentGae, co's eslsss se vie sd alate se a sree © e:6.0.0.0 se warn ene 617 
SHDPATIE YO ATICISEPOLINVHCHSHAC 3.5 5c tics aidla'oia's si tis,sajsicisiovaieie a eee ne cie suas § 618 
Bamily Riynchotcematimae sz 2 .tt hs cece oe Wee tes esis ce ccetesenencneeennees 628 
eT PIE DICOCY.CHGAS Weveiaic/s cere aiasasrarepntaetavetatate oietsl later eiereitrai sree ieveise wisi erelete oe 657 
Brera APOE Ly TAC NCEA id's dis nrs & oem Slate nl inlsra Si eicibialeia We )h)a aarela)s « ede woes 658 
Family Orthoshyncbulidaeniwntiok 1! tee c enicig Mose. cece eee ce sans 669 
RTI RIETNETIE HENLE VICE cca cterels: nisin svais walle ei Ga ata 8 Se vraLi’ a) 4: tease Shea aimee AR aah nies al ioe 669 
Be ataat i CAVED WIAD: a5 ails Whee o-0ce «vain s,cuete time yee se uk ase halecr = ace trn nee eras 669 
Sail y, LVCOSMEMIAG cates Me ease cea e rads sane Seems t eesti cece 669 
Side WGMASSNAe’ aad cor eee oes. Se tata Mey ewace 2s F cas hoek moet es 690 
MUMCEraMiy SUWMESACOD sn hacud, sess ferret te ee ere te taka st ots mere 693 
Pantie,  VCInsNiGae wocrese tts c« aces seer TCE te rashes feue meetin te ners 693 
SRSCGEE  StRMPEMIIEUOMUCd Ys ce wc ces te reat fe cate cee Ste mea Ne «ala sae ae oe 697 
Supetiamily, Plectambonitacta Ooo. Soc sce cae ass Foie cha as make eset se 607 
POY MEA UCAS fies cst owa hace ts sone cet ame sete ete ss «cas wate ane Mercer: 607 
Poin PIecCtaMOniudde: Watts sovek Serre ou oke ries Sees tee anemic ror es 699 
Sie CICctCMGAe LMS sees et a fe eee nek nas vege coats oes tes 699 
PMEY TCPLCSLMAG tc scores ce st Mel eee teas cet tee re eros ate colnra ree 700 
SDIAELY SICEMECSIIMAAE CCA ans veined ac.ae ages acinete teat «mek ete c Teta 700 
MAY CSOPMEAPININAG Sets sock eset ees ce ab ec setae Pits ckte ee ee 733 
Bice, tA UVOOOETIOAE aera < os ac atla cuss jarele Cee eee ee eee 740 
PMU Sev MMTI Cha SIA EIEAE: a aia ska aipuarsinidiata caw te mee Seasleisia tee cccla knee cette 742 
INN AE A MeN IOI? oy 5.4 cn iis las 'a,ej3; 0, sis egw hg esas hee Gee eee ee eee ee ee 744 
SuUMimiy FIeSDELOMIENINIGe 3.03.05 css o.cenc ees tects ee trer tees ee rate 744 
Sinrmmiy Terenas Cole es eek tae eee oct eee coer etmet oe eer eeas 746 
SSeAULY, ACeHLCMONMINS is. cae cog acatiaa Wea came nascar te eee eee s 763 
PAREN (EAITNOAG. 5. scninca ngs 3 cad Goa Me tee Cette CMT Te On 764 
BeGHly SOWEERVEMICAE. i's gic'e «60,5 ti od woe veces cee eee ee Oe eee 774 
BSUbaraily  SOWEFUVELINAG |. beac es ce cacse cs adesceer een eee 774 
Surely Nenamponitiiae 32° wPlOG, REIS, IOIE TY, STN 813 
PUitcile: SPtvCnOPly PHAGE ..5 lon cies bs aswae als se o4 ele ke sale ede Ne 815 
MUPELLAMMYy  SLEOPMOMICHACEA, 0c c.. 6 ccs elie ec cc ne cc Meee TN nee cin nee 820 
Pataily (Leptaenidae’.. 0.5. Pore tees Ff amee Pa Bee ewes ERR I 820 
Paminy CHeStianudae® oo sis. sacs coe e ccc e oss ee CART pee 859 
Pataily Strophomenidae 6. ce. 5.0. REPRE b CUORIIOER Rie RI ae 866 
Suborder Dictyonheligides See See Pe. MEO A, TROY BETA, SEDER E 047 
Pamilya Bidiwaldadaeo wins POA L028, AL, PIP VON)., OI 047 
Suuortder Palmanecloided so 2cs acces sce leccs cs cece c oa SHEAR Roe hs aetna ae 047 
Rraperiamily PalimanelaCed Jos rc sss 2 Giese bras dv ole bivreia ARM UA SOR ot 047 
Paniy Maumanellidae: oo. osc asa/s sc do ROE, RT, OORT 047 
Pamuly ‘Qimiellidae | SAT 7h. SEAT RIPE . HOE 053 
EP eMNUE Ys (PAUP TERIA 5 25's 5) i) a'nid. on (elie ecae wi Wl ieeecnta o/s eine MOR OM ROE 064 
Proritily’ TICrOrenidae: sce .cdisicin sos. onic c ROUTE, Rise. hho! 076 
Sumamily ‘Harknessellinae ... ...d.0heiae). .eahvocrmen: Memon: 976 
Pantily MMoOporeiudae . ose ves ces «cos coh ORUTIIGe F. RNY. Sh eer, 979 
Pamiily) SchizOpROridae 6.66. aya oe o0.6. oe oisiid aialc'g SRR ce OTE, 085 
SHIPMAN © SHCEEAO MOT INI a 6 oie case asses sb alee o'o oo dldia.o 4 ale ae OOOO 985 
Grethts ae SPECIES WMCEE secs nec e ee ok ee oe 2. eer ee RlRinaLy 1006 
OOS fh lal SM age ads Ln TS Pe Ear Leg it seER aa Giana So) 1007 
Ee ets ee ge TK NG 5 a/c) Oak ins wierd  g.ate abr wield mbes 6 eae oR MIRE 6.4 IOIQ 
