11 INDEX TO PLATES. 



FAVOSITIDiE. 



Alveolites Plates. 



y constans 43 



o-oklfussi 44 



til in isus 46 



louisvillensis 46 



minimus 43, 44^- 



_/ morda x 45 



niagarensis 46 



/scandularis 44 



squamosum 43 



Antholites 



• speeiosus 78 



Cladopora 



y aculeata 48, 49 



/acupicta 52, 58 



/ alcicornis 97 



alpenensis 52, 59 



aspera 50 



/bifurca 52, 56 



billing-si 52 



complanata 49 



/■ crassa 62 



cryptodens 52 



/dentata 51, 63 



/desquamata 52, 76 



/ dispansa 61, 62 



y equisetalis 48 



expatiata 50 



fibrata 57 



/ francisci 51, 74 



