INDEX. 



883 



Page. 

 Helix loricata, Gould, 347 

 " morraonurn, Pfr., 348 

 " Newberry an a, W. 



G. Binney, 348 



" Nickliniana, Lea, 343 

 " Pandora, Forbes, 346 

 " ramentosa, Gld., 344 

 " sportella, Gld., 348 



" Traskii, Newcomb, 344 

 " tudiculata, W. G. 



Binney, 345 



" Vaucouverensis, L., 348 



" Yoyana, Newcomb, 235 



Helonyy, Stimpson, 63 



Hemimitra, Swainson, 112 



Hemisinus, Swainson, 105 



Hydrobia Californica, Tr., 221 



glabra, Try on, 222 



Ilyanassa, Stimpson, 61 

 lo, Lea, 104, 113 



' brevis, Anth., 43, 300 



' fluvialis, Say, 42, 300 



' gibbosa, Anth., 300 



• inermis, Anth., 43, 300 



' lurida, Anth., 300 



' recta, Anth., 800 



' rhombica, Anth., 300 



' spinosa, Lea, 43, 300 

 ' spirostoma, Anth., 300 



' tenebrosa. Lea, 300 



' turrita, Anth., 44, 300 



' verrucosa, Eve., 800 



Juga, II. & A. Adams, 105 



Leguminaia, Conrad, 233 



Leptoxis, Raf., 107, 110, 298 



Limna?.a Binneyi, Tryon, 229 



Brownii, " 229 



Gabbii, " 229 



Eowellii, " 228 



zebra, " 228 



Lithasia, [see Angitrema.] 108, 



112 



" brevis, Lea, 327 



Lithasia compacta, Anth., 

 " consanguinea; A., 

 " dilatata, Lea, 

 " Downiei, Lea, 

 " Florentiana, Lea, 

 " fuliginosa, Lea, 

 " fusiformis, Lea, 

 " Hildrethiana, Lea, 

 " imperialis, Lea, 

 " nuclea, Lea, 

 " nucleola, Anth., 

 " obovata. Say, 

 " rarinodosa, Anth., 

 " Showalterii, Lea, 

 " undosa, Anth., 

 " venusta. Lea, 

 " vittata, Lea, 



Lottia, Gray, 



Lunatia Marylandica, C, 



Lutricola, Blainv., 



Margaritana, [see Alas- 



modon,] 

 Megara, H. & A. Adams, 

 Melania, [see Goniobasis, 

 Pleurocera, lo, Schi- 

 zostoma, Angitrema, 

 Lithasia, Strephoba- 

 sis,Euryc9elon,Meses- 

 chiza.] 

 Melania brunnescens, Tr., 

 " gloriosa, Anth., 

 " niillepunctata,Tr., 

 " retifera, Tryon, 

 " unicolor, '■ 

 Melantho Decampii, Cur., 

 Melasma, H. & A. Adams, 

 Mevcenaria fulgurans, Tr., 

 Mesalia arenicola, Conrad, 

 Meseschiza, Lea, 



" Grosvenorii,L., 

 Mesodon, Raf., 

 Mesomphix, Raf., 

 Mitra biconica, Whitfield, 



" Haleanus, " 

 ]\[oniliopsis, Conrad, 



327 

 327 

 326 

 827 

 826 

 326 

 327 

 327 

 826 

 326 

 327 

 327 

 327 

 326 

 327 

 326 

 826 

 281 

 211 

 281 



106 



216 

 207 

 217 

 216 

 217 

 49 

 105 

 297 

 141 

 119 

 322 

 81 

 81 

 263 

 263 

 143 



