265 



St. Maurice and Claihorne Pelecypoda 



^65 



recurva 1 1 r 



rotunda ,/o 122 



smithi jcS'113, 114 



var. subcuneata 201 



sublaevigata 201 



subvexa jg 119 



var. sylvaerupis 120 



uhleri 117 



ulrichi 113, 117 



Lutraria conradi 179 



lapidosa 178 



papyria 178 



petrosa 71, 179 



M 



Macoma danai 5/ 169 



scandula 50 161 



sillimani 5/ 169 



Mactra eequorea 177 



decisa 176 



delumbis 175 



dentata 178 



parilis 174 



praitenuis 175 



Mactrella prsetenuis 175 



Mactropsis sequorea 5/ 177 



rectilinearis 5/ 177 



Marcia retisculpta 77 153 



Martesia elongata 1 96 



texana ^g 1 96 



Mauricia, n. subgen 32 



Meiocardia carolinte ^2 135 



Meretrix 134 



aequorea y^ 1 40 



annexa 138 



var. bastropensis ^7 145, 148 



cornelli 46 144 



dalli 152 



discoidalis 146, 149 



hatchetigbeensis 145, 147 



var. lisbonen6is/j..i35, 136, 137 



macbeani 44 1 40 



mercenaroidea 151 



mortoni ^^...138, 139 



neuseiisis /j 136 



mittali stock 141 



"uttali /5 143 



nuttalliopsis 141 



ovata 141 



pearlensis 138 



perovata /j 138 



perovata stock 135 



poulsoni /6 144 



var. pyga 141 



ripleyana 1 45 



securiformis 142 



subcrassa /6. . 146, 149 



subimpressa 135, 136 



subvitrea 1 35 



sylvaerupis /j 135 



texacola //, y^ 142 



trigoniata stock 145 



trigoiiiata 77. ..146, 149 



vespertina 46 144 



var. winnensis /6...146, 147 



yoakumi 150 



Micromeris minor 93 



minutissima j2 95 



Parva 93 



senex 95 



Modiola tenuis 35 



Modiolaria alabamensis 33 



Modiolus cawcawensis 77 31 



cretacea 31 



ducateli 31 



houstonia 77 32 



spatulata 33 



texanus /7--32, 33 



Moerella 160 



Montacuta claiborniana. . .57 no 



dalli 108 



Myoparo costata 35 



Mysia ungulina.. 148 



Neaera alternata 184 



multiornata 183 



Nucula bella 64 



brongniarti 57 



calcarensis 70 



