70 



INDEX OF SPECIES. 



Margarita 



obscura, 70. 



var. obsoleta, 139. 



pupil la, 25, 40, 47, 92, 98, 139. 



pnrpurata, 28, 240. 



pusilla, 89. 



(? 'var.) salmonea, 98, 139. 



Schantarica, 73. 



sordida, 216. 



striata, 47, 71, 176, 216, 

 223, 321. 



var. subelevata, 139. 



sulcata, 216, O 223, O 321. 



var. tenuisculpta, 89, 139. 



urnbilicalis, 176. 



undulata, 47, 98, 139. 



Vahlii, 89, 139, 169. 

 Margaritana 



margaritifera, 85, 116, 120, 164. 

 Margaritiphora 



albina, P 149. 



barbata, 199. 



firnbriata, 27, 50, 107, 153, 199, 

 O 161, O 249, O 277, O 282, 



03", P 550. 

 margaritifera, P 149. 

 Mazatlanica, 199, O 249, O 296, 



311, P 149, P 196. 

 radiata, P 149. 

 Marginella 



ccerulea, 363 : [should be ] 

 coerulescens, 15, 24, 35, 177, 



189, O 339, O 365. 

 curta, 296, O 339. 

 cypneola, 45, 267, O 285, 



0339- 



glans, 15, 177. 

 graitum, 267 

 imbricata, O 226 2 285, O 297, 



339- 

 Jewettii, 23, 147, 287, O 228, 



339, 349, U 207. 

 Lavalleana, P 461. 

 margaritula, 261, 339, 



364, P 462. 

 minima, O 364, P 461. 



Marginella 



minor, no, 147, 177, 261, 



O 267, 339, 364, P 461. 

 ovuliformis, 261, 364, P 462. 

 polita, 23, 24, 261, 339, 



P462. 

 prunuin, 7, 15, 177, 189, 



206, O 282, 339, 363, 



3 6 5 . 



regularis, 23, 147, 287. 

 sapotilla, 15, 35, 177, O 189, 



206, 231, 267, 282, 



339, O 363- 

 subtrigona, 23, 147, 287. 

 Marinula 



Recluziana, 275. 

 Marmorostoma 

 planospira, 35. 

 undulata, 10. 

 Martesia 



intercalata, 114, 123, 151,0244, 



299, P 13. 

 Megalomastoma 



simulacrum, 45. 

 Meioceras. See Mioceras. 

 Melampus 



acutus, 315. 



Adamsianus, S 161. 



bidentatus, P 178. 



Bridgesii, O 284, O 315, S 161. 



concinuus, 315. 



fasciatus, 44. 



infrequens, O 315. 



olivaceus, 107, 133, 151, 159, 



O 233,0 251,0 284,0 315, 



O 351, P 178. 

 Panamensis, O 315. 

 stagnalis, 315. 

 Tabogensis, 315. 

 trilineatus, O 315. 

 Melania 



bulbosa, 163, O 209, 325. 

 Buschiana, 51. 

 exigua, 163, O 283. 

 fnsca, 163. 

 Gouldii, O 325. 



