10 7 2 



Unio 



antiquus, antistrephodonta, apiculatus, approximus, aquilinus, aradae, aratus, 

 araucanus, arca, arcaeformis, arctatus, arctior, arcuata, arcula, arcus, ardusianus, 

 argenteus, argyratus, asper, asperrimus, astierianus, atavus, ater, atratus, atrocostatus, 

 atro::marginatus, atroviolacea, atrovirens, aucklandiae, auratus, australis, avicularis, 

 aztecorum, badius, balonnensis, bandinii, barnasianus, batava, bengalellsis, besckeanus, 

 bi::::alata, biangularis, biangulatus, bicolor, bigbyensis, bigerrensis, bilineatus, biloba, 

 binneyi, bipennis, blandingianus, blaydsi, bonellii, bonneaudi, bosquiana, bournianus, 

 boydianus, boykinensis, brevialis, brevidens, breviplicatus, brownianus, brumleyanus, 

 bullata, burroughianus, caeruleus, caffer, calamitarum, calceolus, calendis, caliginosus, 

 callosus, camel us, camptodon, capax, caperatus, capigliolo, capillaris, capillus, 

 capsaeformis, carbonarius, cardice, cardium, carinatus, carinifer, carinifera, carinthiacus, 

 cariosus, carnea, carnifera, carniolicus, caroliniana, casaeblancae, castaneus, cataracta, 

 catillus, caudatus, centralis, cerinus, charruana, childreni, chilensis, chloris, cicatri- 

 cosus, cincinnatiensis, cinerescens, circulus, claibornensis, clava, cliffordiana, coarctata, 

 coccineus, coelatus, collin us, complanata, compressa, compressissimus, compressus, 

 concinnus, confertus, confragosa, congaraeus, conradicus, consentaneus, constrictus*, 

 contradeus, contrarius, convexus, cooperianus, cor, cordata, cordiformis, coriaceus, 

 cornueliana, cornutus, corrianus, corrientesinsis, corrosus, corrugata, costatus, couperi, 

 couperianus, crassidens, crassissimus, crassiusculus, crass us, crenulatus, creperus, 

 crispata, crocatus, crocodilorum, cucumoides, cultelliformis, cultratus, cumber- 

 landianus, cumberlandicus, tuneatus, cuneolus, cuneus, cuprea, cuprinus, cuvieri, 

 cyclips, cylindricus, cyphia, cyrenoides, dactylus, dahuricus, dariensis, dawsoni, 

 deccanensis, decisus, declivis, decorticata, decurvatus, dehiscens, delodonta, delphi- 

 nulus, delphinus, deltoidea, delumbis, deplanata, depressa, depressus, deshayesi, 

 diaphanus, dilatata, dilatatus, diluvii, diplodenna, discoideus, discrepans, discus, 

 distortus, divaricatus, divergens, dolabelloides, dolabraefonnis, dolabratus, dombeyana, 

 donaciformis, dorfeuillianus, dorsuosus, douglasiae, draparnaldi, dromas, droueti, 

 dubius, duprei, duttonianus, ebenus, edentulus, edgarianus, eichwaldianus, elegans, 

 ellipsaria, ellipsiformis, ellipsis, elliptica, ellipticus, elongata, elongatula, elongatulus, 

 emarginatus, embletoni, estabrookianus, evanescens, excultus, .exiguus, exilis, 

 exolescens, exoletus, explicatus, faba, fabalis, fabula, familicus, fasciata, fasciola, 

 fasciolaris, fatuus, fisherianus, flabellatus, flabelliferus, flava, flavescens, flexuosa, 

 fiexus, foliacea, foliatus, folliculatus, fontainiana, fontinalis, foremanianus, fOrIllOSUS, 

 fossiculiferus, fragilis, fragosus, franciscana, fulgens, fulgidus, fuliginosus, fuhnineus, 

 fulvus, furvus, fusculus, galloprovincialis, gangrenosus, gardanensis, gargottae, 

 gaudichaudi, geddingsianus, geisericola, generosus, geometricus, georgianus, georgina, 

 gerardi, gerbidoni, gibber, gibbosa, gibbosus, giganteus, gigas, glaber, glans, glaucinus, 

 glebulus, globosa, gouldi, gracilis, gralldis, graniferus, graniger, granosus, granulatus, 

 granuliferus, granulosa, gratiosus, grayanus, greeni, griffithianus, gualteri, guaraniana, 

 guarayana, haleianus, haysianus, hembeli, heterodon, heyi, hians, hildrethianus, 

 hippopaeus, hispanus, holstoncnsis, hopetonensis, humatus, hyalin us, hybrida, 

 hydianus, hylaea, icterinus, impressus, incerta, incrassatus, incurvis, incurvus, inflata, 

 inflatus, infucatus, intermedius, interrupta, interruptus, iridescens, iris, irroratus, 

 jacquemini, javanus, jayensis, jejunus, juliani, katharinae, keraudreni, kirtlalldiallus, 

 labacensis, lacazi, lacrymosus, lacteolus, laevissima, lamellatus, lanceolatus, lapillus, 

 largillierti, larteti, lasmabrachys, latecostatus, lateralis, latiplicatus, latiradiatus, 

 latissima, lavateri, laymontianus, leai, lecontianus, lemovicillcae, lenior, lenis, lens, 

 leptodon, lesueurianus, levedellsis, levigata, liasinus, liebmanni, liellosus, ligamentina, 

 ligula, limatulus, limos us, lineatus, lineolata, linguiformis, listeri, litoralis, littoralis, 

 livid us, lobata, longedentatus, longirostris, lugubris, luteola, lutulentus, macropterus, 

 maculatus, madagascariensis, maestus, manca, mandelslohi, man telli, margaritiferum, 

 marginalis, marginata, marginatus, marmorata, martinii, masoni, matoniana, maximd, 

 medellinus, megaptera, melanura, melinus, membranaceus, menkei, menkianus, 

 menziesi, metallicus, metaneura, metaplata, metastriatus, mexicanus, mi, michaudiana, 

 minutus, mississippiensis, mneme, lllodiolaris, modioliformis, molinae, mongolicus, 

 monodonta, montanus, rlloquinianus, rnortoni, llloulinsianus, nlucidus, lIlucronatus, 

 muehlfeldianus, muelleri, muensteri, multidentatus, multiplicatus, multiradiatus, 

 multistriatus, murchisoni, murchisonianus, lllutatus, mytiloides, nana, nanus, 



