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Delphyrus raricosta. ce... ve sik tad om Oecnee 82 | OFTHIS ..:..... bis oiSaee tel waaeeeaewaet tie cacear Ma 
CEA OE OMIALE does sy ycoes tear etee ace mere Ree BEN ABA WBE SS oclshelbs cisco seat eRO Re be ee aetna Pr 
DIPHN PH VION, Ge awieceaces eee esce es aegis COW PT ROUENIS. «. wajnies y Go oe sigh caren ekideanteae seas 
oe arundinaceum. ............ 32 CC) FH MMBONALG, «60. cc00t0eo~s si oetan san ee eeaeele 
si PPACHOS.ciiitiem serene es 33 <¢’ ‘Vanuxemi ... wsboagane soy teeeee eameniae 
se stramineum ...... SA Go| WORTON TAG aeeegehes. uv ctemcenmcaee sibcec cae eeeme .. 122 
Emmonsia hemisphericd....... .ccecccceenee eens 49 C60) ) MNPOTMOGIA .../<!.<ctsemreatwente snonpempauaes 
ERIDOPHYLLUM ........... ee LNA Se euaad 34 | Pentamerus elongatus..........66 {toe een setulae 
oe DIMM COBMSE: sh acteecls ceevsiendne 34 | Perrara Logani................ Peetcba a » 5laley aa ee 
Verneuilanum .............. BOP PHACOPS mranaa.nnestenterscnesecseeercee pace 123 
VAS ONSIERGS ty teen uclie te cuiaiesdon cones Melee wiauns 44 | Phillipsia ? crassimarginata....... sndadneeeaes 123 
ik Bama ltieai ios. 2h.toskeates a ledognes 46 | PHOoLIDOPS ovatus.. .......... eich cducy nes eee Saami 
G6! A CervyiCOLDIA. . ss¢chacisebnanvsces ae ese Oe lM EMUATY CR RAS te, .coahensacnsertana--- Jaen pores 
“ Chapmani...:... SRR ca 52 ee dumosum, var. rarispinum, 116 
Gey CIMO IES sabe ame neoaamese Lesa 51 fe intermedium (?)............... 115 
Ge hy MELO DERBT, ack teckere seek SM ala aco ee i SP ic -o-ascccsweeupetsvces scales eammeens 
ig Goldfusst .2.....002%- i se eR 45 i AP bia scope a Aeavegy «eae 116 
as Gothlandica, 2.5. Asccsasnesnteecstony 45 ee uniseriale ..-.c.ssssejeeeve-esete 116 
a hemispherica............:..2sase0s0s 49 i VEDtTICOSUIM ..\c<teaewe sone 115 
eT TS INGA ATENSIS ccs tap veblnocaasee tet beoe 45 | PLATYOSTOMA .......00csecesseees ee aes Ree rey uk 
iG ONDIQNYGNOsD.n.\enecesscrnicccostons 51 i VENULICOSA... °.%b sees sdeaenaaee 117 
Me PoOlyaMOrp ha, Ak ebwssebanckeesreeter 50 | Plewrorhynchus trigonalissee o's Gules oder 113° 
SGU repr ey ga Sa ae seien (OL | POLYPORA.. ohacaukinea due ntesel) eee anemees 
KEN) | SUD -DASMULICD ida csesrnatinn stale ce se> ee cert Cte lmtia eel ate dateestone in) 99 
See © HUT DINAtE: cat ach: cha Sa cveeh . 49 ec pulchellla...\. 032: siscteee cea ene 
FENESTELLA....... Bt ecal aie cheides nly wale hoy: Al Oe ce) tenella... csc ccsem ea taRee eee Bhs . 100 
. Sra. MOMhegtes tn feier Mae ay 106 ee tuberculata, «,..2ss-eapaine veebcagte PROD 
Ss filiformis.. ...... _ DIERRAR RS Thee 10%: PP RODUCTBLEA: sac. ccncdpssdenetecpnts cca eee ue 
cs PINaGUTMCD, Jc casactn ep PR aiid 104 ie Hrietisis.....»,. + .rsaee ste men eee 
me WUATOMUALIS a cuncshhtaemsencar ccs 105 | PRoerus crassimarginatus..........csecereere . 125 
i LESS NCES 0} fren CARA A 106 Pi ROITODIOTVA,....c 5.025: ss. stcs oo deme seeAeeeteeiee On 
STUN TPORAS.: Wecaceu Meet consenareeeeeerteeeeee 63 be 1) ICTS) fa EES oo sheea eRe 
oe Wanatlensis is. eeeee arin tee cae eset 63 | Rensselaeria elongata ...........++ yao as +. 
FLATMEOPHYLLUM,..........cesecsessreecceseneess OO | FRQRHPORA?., 0. senensenies chiineeet Se nnaaaeeemeehe «tO 
ne OrdimabuM.. ey sees ioele . 39 6 Phi pet. cicgeseees cl ecenanee save OZ 
PBT ECOTOMA S02, sahis seceeesesincetephpmmesssises tt 120 % PRISCA (uk wccccteces<yeEme coeeoee oe OE 
FS 2 RETOUINA, | eres. seo enaerere ease 020) "| PRT A ek occu un as wae leper Bae <a ay anes 
Pea ROPENYG WIM We... 2 ceeke, San eh pepe nmnee sabe 24 60 NEMS CHIU. d.ic.2-..0henss secant eae coun ee 
+ Canadense) .....-1asspebus ee Rhynchonella GLANS AGED, «. <xasiensinecmananan 94 
eS Cayugaense ............45. se ZO DLQU0'ds. «soc sca cloak tone teneee + ee 
rf Colbornense ...........+: we 25 | Serpula omphalodes, .........ccseeceecereesees 07, 120 
“ ColligatM. |...) .cpse seer ssr DS: | SPIRTRRR ANI tcaceaseeceehoadhesbacceen ere yy) 
sf HIPTONSO: 24 ocepsbeesee sou mckee 28 gs AWadenarig....2:..s.<-queanaeeee ene 
HY ORIUMITA 2. fa 9 corbar pe seas 29 Cone. Hi QRRA Lave chert cosa Saget sene Re a 
a Te RO aL Le tase 26 * MUCYONALA .......20000e0esenemny stone 80 
sf proliferum yc nsnyeccne Ae) NTS *% TATICOSUA, 4 gs vsis < + isp cc pie seers seeretpe ohiee 
2 sub-ceespitosuM.........666 27 REO VATICORAM EL. senesaichs apie gape 
IER QTO PEA 0) ccbaen Gaineecne ne be As mcfe cn cemecth 119) }) SPIRIGHRA.. «0. .sescwcuuenasesakers Me id) oe 
Sei MBITLONSIA) <.s0t-soe pec babiad eb coe seee poe . 120 ae CONCENETICHs ...cnsssoosersnarnieieaeeenen mse 
AMTIORHVNCHUS (2500.0 sch vert teeanatines iment ay 89 if rostrata........ Rr nici i: sisi) BO 
ia (FUTON ENSIS AS. aay-agneaeee es 90 Mk Scibula,.'.+...0saqunagaceteeanee ants SO 
rf MULtICOstA .....Ae.eoe-rereer es 89 | Spirigerina reticularis.......ccceereeres 79 
Leeptoccelia cOmcavd, ......ceserercesesenrereereres 94 | STREPTORHYNCHUS...........04. RANA Ausatete. tee 
ABE UAGA OR eto ioe tn ck hb nico ese sate eee BE SL: 92 i Pandorai,. ccanestseveee< See 
re UNMATC AL Remcwecsctes see Sadeab uate Aone 93 | STRIATOPORA.,....scesscsececsee sceeacaeneneeerses . 58 
er) SOA UATRORINIA. 47.9. Ldaskne aac seem nae== 92 es Timneana 435.5. sks0vanccmneae eee 
Meganteris elongatus............006 Pee eaten ce 91 | Stricklandinia elongatd......cccceeccceree OL 
MMerastell a elses ck» « seeuges Gus ohecee wees ene neis 86 | STROMATOPORA....:...ccssssenneeeeeceeeees Dhacac Me 
iss MASUHA..onaabae ME i dha casa he 86 a Concentrica ..........66 Aten ee 
£6 SN OSUPGLO IA eR RNa i rts aus Aeteret 85 oe granulata .........:a0s oa’ shngaggnedee 
Ss SCUEWE d «:. acc BaRiOe ARAL Brac Rigen se ot ORE 86 aS mammillata ...... Ree ai 
WER GHIEDIN TAL. dics. Sccensatanetdedterbicte saat hsure 63 4 perforata. .......ccsecceesens a . 2S 
if convexa ..... CeERai tenets Seraced 63 ‘ tuberculata:ch-shecseses- seer 14 
WETCROCYOUUB. id 2. sue \iocee tenet peoeseyt sass cst 38 | Strombodes helianthoides ........0.csseeeeee ii ee 
) GISCUB 8.2) sieseasatteete onsente 38 | Strophodonta cmplt...ccccsee seeeeneetess lake 
