REPORT ON THE STUDY AND APPRAISAL, ETC. 
City, Wis. 
may be expected to occur in the Mississippi also, viz. 
tella gracilis, Paludicella ehrenbergii, Fredericella sultana, 
Cristatella mocedo and various species of Plumatella. 
of these species are known from the Illinois River, and on 
account of the resistance which the statoblasts have to the 
digestive fluids of birds, have become widely distributed over 
the whole country east of the Rocky Mountains. 
27 
He indicates that the following additional species 
Urna- 
Some 
AREA VIII. 
one 
(eheaeaiake= | 2 é 
ro < vel | an ot Pe) 
4 | 3 | 3 elite Om 
a | os SeU SHES Semel ark | 
Ss 
COMMERCIAL SPECIES * > =5 aa _o S 3 
> s as o 
eR a i amie er goiter pi eae 
Ciel fg etd a eal he er 
GS SIN) Sains) S80 51 38 8 le 
Fusconaja ebena...........000. 3 QA Goliad ore ic challireners:aaeici|in sa eterno llovckereeatare 7.1% 
Pleurobema catillus.............. 2 TAR SOG he Rete Plea o BB il tbecgeerecs |e ateeketaee 4.7% 
Obovaria olivaria.......... Deed |patievausrieverchltcriatehhenetel| oreve, ot qual lave aire) Sere 3 (1) 4.2% 1.4% 
QuadrilarpostialOsaticc diss, stevelere ta fous Sleie ecu] a slelernts 1 2.8% 
Doeviles Ey peel Os shy sarees cnt Foloruce ool Ic Doce als IOlo atic occa pA Ooboclomtocag| ene pcdcs 
Quadrula metanevra 2.3% 
Rotundaria SLANIFET Aas ois. oie o:cie sheliwiisie a5e.0 03) wie) sls a,mie|| eieiele orn aifialas.e oso [tens cites o\n|/e ejeisrs-eyai||) = wi isle/a als 
Obliquaria: ireflexati. 7 La.).oss as 2.8% 
PUSCONAIA VUNG Aba s/s. )c,ctocs ste ahorn <6 2.1% 
Amblema peruviana............ 11% 
Amblema costata..... 4.7% 
Whig erey laren Pin ets oes Oooo one | OO UOI0o| toi cero lees Coa) (ae oco.e.cl Sar somal p s bomrocic 
GI GAC TU AW EVEMEMICOSE o aierars: vese stenctelclte lareusersi|ferelazerste ciliaierelalareyatl'ci« siletecacel Mave udtatia a] folhuialete) afl Mlustackal al ote 
Actionais carinata.. 2.3% 
IWargieiioee laberateG leis oboe ota o Ob ab did | @oooo eo ct Geis (Somos ten Faas |adoee os ( hiycss os 
Lampsilis siliquoidea 3.8% 
Palevon teri iF CO) ettetien cia steve: atehcistafel ov lures) oleis) = |lelecenerehele, teas tel.cverere [fey e016 sifaisi|leuavoroter el oil tate eseteteia] | mana terovalece 
ANY. OALOTIAIS  DEUNMC ABS ies hal oust ate || te ateroue imal] 'sicrsyohe¥el os| lace sve) «ieieifin eve favoua,silohesa’ scelet'as| \eveharatsitelel MM fora eiarchene 
PAM SUIS VENUE COSA ,© o.c(% she aye claro eistere oie ficceieie orelp 1 8.3% | 30(15) 4.7% 18.4% 
Lampsilis anodontoides...... WU | hears ores alll cals tata biter| ete se talleiy, o|[avensie  euskel] ie cecauan weial teem ome ovaced| Uke over eters 
Hamapsslise tallacroseavescisters ave ecazsyeull tales taza! olrl lit fahcceuade’[lorenehove inte: tovererelshorel|leceveUe! onovel| Cecexeh stare at |Pramateuetenest a 
Eurynia recta..,............-.. 1 7.1% 1 PEG] | ea eocicio)| Geile ec 5.1% 
Oia NS OS Ren Aim eoion Oo olde acre “Ad Gidea cr sig. 5,311 leper ces 1 1% = 
ICED ODASUS SI CYADE VISES, ch feds le letere x ePo = cocehl wieteterctote’ | Srapers als o:|heuereteuens. cj{ Porters a citialern,o eters! Me ayehevaeiege 
Masmisona COMp lan Ate fore/aare orejeilll@)/crereiere:e|latwrevs, ors) 1 SiSGolicm eds | ates 2.7% 
HU ASTOT ON ACOSLAUA Srrateata sw arals o/ eifte ferche © ove  (atarodetesezell etoxene’s fore! [/aitenc Iola ove [takahatene ofa lieve eta we ol ieumoretesa slats 
Pre phe ret well teh -lec< crsne. ois sisusiclere: oles= |lenote oie b || shapavave, ley|(e-ecaecs Wiel enelele was [la lei aiereyeiel lo vsnace ciate [ee tenet, seatete 
PATCIGETI Sc COM MM AZOSUS kes ora tekeprote Nally ehee-are fell lah avails defen elfcdelettsic ae || ovaveus eenierlierteeue ere vel| venaiermiauene imate hel eters 
PSUR AO DEOL Perot a oe oat slave suis |iSeace coosora| fap oust sienaps | Seavey sy ater oll otene w-alreiei|faxcts. ele ity le et evereme So:fetmioreineevare 
PT Gio = Os eat GUISE ot 3 «12h te re secloia-ct ai ees ledeberohe | eta susdete ll acaivayof'ovei|ie) » ephiafars [iat evemmrepenee taretmrees sere a utenal eraperels 
Pleurobema pyramidatum....... [ferevceverove | shaiats wrsrailiei sth tea sills isye%elebarnills oie saree) sheecy sell eee etree 
Alasmidonta marginata......... EHS Se A el] PEE oci| ies ersterets Be sistasil cra sue eteie' hana crore lke ecient 
Amyedalonais donaciformis..... eee. Prep che caller | kesosassuenal lebercaeuckona liSecexe “exci | Reet tenets, | © Mtceet RNP Sm 
TODPAMG ee ae (nie CRA 100%| 84 | 87.8%! 90.1% 
NON-COMMERCIAL SPECIES * 
AMO ONED SST AMG IS Se sacs = cassis ar oret | "enna ted tans| lauetatetel Gia vevonamtce «| (ec siererein [ier clones afeltiopeiem Gracall cr ulereehe ree 
Anodonta corpulenta........... 2 Tee Alen ci siorolgl aren onc 1 1% 5% 
Am OO ON UA eITNDECIILIG. ck e-a susconecs sot lhe carersrece all avchel ere eiell ce etelevore cil anes’ eters es|laelec siplell ehevenevancie [Gnesi erste 
Strophitus edentulus............ ljdeasaple some) avetane<|atoa ces 1% * 
Meptodess- fraeciwis M7 sce c clem,e ssis.s NP ceshatte cea Wes esc, ote ra PN eas eh date sare 5 (3) 8.4% 3% 
epruaRVe LA egUM CSL TE cose ctr ars cl aia) | Nessie cianal ell ete tei ode farliedeea) esllets |leteleiale sic 1% * 
POMEL ALAC ISS ITD orca ee apace in eral ecyereratccct list olataiage’ |lecaeconstald||auaverene 6 a Kereyete apeisi|l avers’ Selle er ekeuetoiene 
[Ceiartncat heh Tina s ne ae aqO BAG ANE aehial anoSbiedl [ere cise Sel lacekeeet a ag eel eta seal aera 
12 | 100% 11_ | 11.4%] 8% 
TOTALS ALL SHELLS....... _ 14 99.6%| 12 | 100% 95 | 99.2%| 98.1% 
