Index to Genera. 



39 



Clypeopygus, 273 : cerceleti, chavannesi, gresslyi, hugii, michelini, orbignyanus, 

 oviformis, paultrii, quadratus, renaudi, robinaldinus, subquadratus. 



Clypeus, 275 : acutus, agassizii, angustiporus, boblayei, clunicularis, conoideus, 

 davoustianus, dimidiatus, emarginatus, excentricus, hugii, lobatus, miche- 

 lini, minor sinuatus var., orbicularis, ornatus, osterwaldi, patella, paultrii, 

 rathieri, rimosus, rostratus, semisulcatus, sinuatus, solodurinus. 



Codechinus, 1 1 1 : gillieroni, pisum, rotundus, tallavignesi. 



Codiopsis, 112: alpina, doma. lorini, michelini, pisum, pradoi, simplex. 



Coelopleurus, 96 : agassizii, delbosii, equis, forbesi, infulatus, pratti, radiatus, 

 spinosissimus, wetherelli. 



Collyrites, 203 : acuta, aequalis, agassizii, analis, bicordata, brevis elliptica var., 

 buchii, capistrata, carinata, castanea, censoriensis, conica, depressa, desor- 

 iana, dorsalis, dorsalis elliptica var., elliptica, elongata, eudesii, excentrica, 

 faba, gervilli, geymardi, granulosa, hemisphaerica, inflata analis var., in Plata 

 bicordata var., loryi, major acuta var., maxima elliptica var., michelinii, minor 

 analis var., minor elliptica var., moeschii, moussoni, oblonga, orbignyana, 

 ovalis ringens var., ovulum, pinguis, prior, ringens, siliceus, transversa, 

 truncata bicordata var., voltzii. 



Conoclypus, 318 : acutus, aequidilatatus, anachoreta, bordae, bouei, conoideus, 

 costellatus, crassissimus, cylindricus, duboisii, flemingi, leskei, leymerianus, 

 lucae, marginatus, microporus, osiris, ovatus, ovum, plagiosomus, pulvinatus, 

 pyrenai'cus, rhotomagensis, semiglobus, subcylindricus, varians, ybergensis. 



Conulus, 181 : albogalerus, bulla, globulus, hawkinsii, nodus, vulgaris. 



Coptosoma, 91 : archiaci, blanggianum, cribrum, degense, dubium, haimei, 

 nummuliticum, thomsoni. 



Cottaldia, 113: benettiae, buchii, granulosa, sorigneti. 



Cyclaster, 378 : alarici, declivus. 



Cyphosoma, 86 : corollare, cribrum, delamarrei, difficile, dimidiatum, magnifi- 

 cum, milleri, nummuliticum, ornatissimum, paucituberculatum, perfectum, 

 regulare, rugosum, subgranulatum, sulcatum, tenuistriatum, tiara. 



Dendraster, 234 : excentricus. 



Desorella, 194 : drogiaca, elata, orbignyana. 



Desoria, 194, 424 : australis, icaunensis, orbignyana. 



Diadema, 82 : aequale, affine, ambiguum, annulare, archiaci, arenatum, autissio- 

 dortnse, bakeriae, benettiae, blanggianum, bourgueti, bruntrutanum, carthusi- 

 anum, colloviense (err. pro calloviense), complanatum, conforme, corona, courtau- 

 dinum, crenulare, davidsonii, depressum, dilatatum, distinctum, drogiacum, 

 dubium, europoeum, florescens, foucardi, gervillii, globulus, granulare, 

 granulosum, grasii, heberti, hemisphaericum, homostigma, humile, icaunense, 

 inaequale, jobae, kleinii, koenigii, lamarckii, lucae, lusseri, microstoma, 

 malbosii, mamillanum, meriani, michelini, microccon, microporum, miliare, 

 minimum, moorcii, nobile, n>sti, orbignyanum, ornatum, pentagonum, 

 perriqueti, picteti, placenta, polystigma, priscum, pseudodiadema, pseudo-hemi- 

 cidaris, pusillum, rathieri, raulini, repellini, rhodani, ricordeanum, robinaldinum, 

 roissyi, rotulare, ruppellii, savignyi, seriale, sina'icum, spinosum, subangulare, 

 subcomplanatum, subnudum, sulcatum, superbum, tenue, tetragramma, tetra- 

 stichum, texanum, textum, transversum, turcarum, uniforme, variolare, 

 versipora. 



Diademopsis, 79 : bechei, bowerbankii, buccalis, crinifera, globulus, heeri, 

 jurensis, laffonii, michelini, microgramma, micropora, minima, moorei, 

 nodoti, prisciniacense, quenstedti, serialis, striospina. 



Diplocidaris, 44 : alternans, censoriensis, cinamomea (cimamomea), cladifera, 

 desorii, gigantea, gigantea desori, heuvelinis, wrightii. 



Diplophorus, 133. 



Diplopodia, 75 : anonii, archiaci, autissiodorensis, baylei, bipunctata, calloviensis, 

 colloviensis, courtaudina, distincta, echinata, icaunensis, jobae, mal- 

 bosii, nobilis, pentagona, robinaldina, roissyi, sinai'ca, subangularis, 

 subnuda, sulcata, triboleti, variolaris, verneuilli, versipora. 



Disco'idea, 175 : concava, conica, cylindrica, davoustiana, decorata, depressa, 

 dixoni, excisa, favrina, hemisphaerica, infera, inrlata, laevissima, 

 macropyga, marginalis, maxima, minima, pisum, plana, pulvinata, rotula, 

 speciosa, subuculus, turrita. 



Dysaster, 201 : acutus, aequalis, ampla granulosus var., analis, anasteroides, avellana, 



