94 



Bulletin 5 



364 



Madrepora truncata 279 



Marginella anatina 5 



biplicata 7 



columba 12 



constricta 12 



crassilabra 13, 14 



humerosa 22 



incurva 23 



larvata 24 



ovata 31 



plicata 35 



semen 41 



Markham's place 134 



Martesia dalliana 151 



dalliana 185 



pi. 16, fig. 15. 



Maryland, fossil shells of 300 



Matthews' Landing 143 



clays 156 



Mazzalina inipressa 206 



pi. 19, figs. 5, 6. 



inipressa var 151 



var. orientalis 151 



impressa var. orientalis... 20 j 

 pi. 19, fig. 7. 



McConnico's plantation 147 



McConnico, Stonewall 147 



McDonald's mill 136 



Melania? vetusta 48 



Melanopsis anita 67 



choctawensis 144 



planoidea 6j 



pi. 3, fig. 7. 



Melongena alveata 5 



Melongena? armigera 6 



Melongena melongena loi 



Meretrix 181 



var. aldrichi 48 



pi. I, fig. I. 



cornelli 49 



pi. I, fig. 5. 



perovata yar. aldrichi 48 



pi. I, fig. I. 



ripleyana 135, 138, 139, 151 



rip ley a na 181 



pi. 16, fig. 6. 



of. ripleyana 146 



Mesalia alabamiensis 131, 149 



alabaniiensis . . ..227 



pi. 22, fig. I. 



pumila 129, 143, 147 



pumila 226 



pi. 21, fig. 15. 

 pumila var. allentonensis.2.2'] 

 pi. 21, figs. 20, 21. 



Mesalia pumila var. harde- 



maitensis 226 



pi. 21, fig. 19. 

 pumila var. wilcoxiana . . .126 



pi. 21, figs. 16, 17. 

 vetusta 50 



pi. I, fig. 6. 



watsonensis 1 50 



• watsonensis 228 



pi. 22, fig. 2. 

 var. wilcoxiana 226 



pi. 21, figs. 16, 17. 

 Mesalia? 228 



pi. 22, fig. 3. 



Mesostoma lisbonensis 67 



Middleton and vicinity 1 34 



formation 125, 156 



Midway Stage 115-270 



a stratigraphic and paleon- 



tologic unit 126 



as limited by the Geol. 



Surv. of Ala 126 



type section of 126 



usage of the term 125 



and vicinity 143 



limestone 156 



at Little Rock, Ark 121 



of Texas 127 



Mississippi, Midway outcrops 



in 136 



Mitra bolaris 8 



doliata 16 



eburnea 17 



elegans 17, 62 



flemingii 19 



f usoides 20 



gracilis 21 



hatchetigbeensis? 139 



hatchetigbeensis 200 



pi. 18, fig. 8. 



humboldtii 22 



lineata 25 



minima 28 



pactilis 32 



perexilis 33 



subpontis 151 



subpontis 200 



pi. 18, figs. 7, a. 



terebriformis 45 



Modiola alabamensis 68 



pi. 6, fig. 13. 



saffordi 129, 132, 135, 146 



saffordi 163 



pi. 13, figs. 4, 5. 

 subpontis 151 



