97 



iota, (G.) Anth., 50 



Jayana, (Ang.) Lea, 31, 75 



Jayi, (P.; Lea, 25 



Kirtlandia, (G.) Lea, Philippi, 57 

 Kirtlaiidiana, ( Ang. ) Anth., 68, 89 



Kirtlandiana, (G.) Lea, 57, 81 



Knoxense, (P.) Lea, 28 



Knoxv-illense, (P.J Lea, 29 



labiatum, (P.) Lea, 27, 28, 74 



lachryma, (E.) Anth., 35, 76, 88 



laciniatum, (Sch.) Lea, 63, 88 



laeta, (G.) Jay, 84 



laevigata, (G.) Lea, 56, 80 



laevis, (G.) Lea, 56 



laqueata, (G.) Say, 40, 77 



larvaeformis, (G.) Lea, 57 



latitans, (G.) Anth., 59 



lativittatum, (P.) Lea, 26 



Leaii, (G.) Brot, 66 



Leaii, (P.) Tryon, 27 



Lecontiana, (G.) Lea, 39, 77 



Leidyana, (G.) Lea, 39, 77 



lepida, (G.) Lea, 83 



Lesleyi, (P.) Lea, 91 



Lewisii, (Anc.) Lea, 72 



Lewisii, (G.) Lea, 86 



Lewisii, (P.) Lea, 25, 26 



ligata, (Ane.) Anth,, 72 



ligatum, (P.^ Menke, 23 



ligatum, (P.) Lea, 23 



lima, (Ang.J Conr., 31, 75 



Lindsleyi, (G.) Lea, 43, 77 



lita, (G.) Lea, 83 



Lithasioides, (G.) Lea, 53 



littorina, (Anc.) Hald., 66, 89 



livescens, (G.) Menke, 52, 79 



livida, (G.) Reeve, 67 



Louisvillensis, (G.) Lea, 73 



lugabre, (P.) Lea, 75, 79 



lurida, (lo) Anth., 20 



luteola, (G.) Lea, 85 



luteum, (P.) Lea, 29 



Lyonii, (G.) Lea, 44 



Lyonii, (P.) Lea, 29 



Lyonii, (St.) Lea, 91 



macella, (G.) Lea, 50 



Mauiensis, (Melania) Lea, 13 



mediocris, (G.) Lea, 40 



megotara, (Teredo) Hanley, 11 

 Melanoides, (Anc.) Conr., &8, 89 



mellea, (G.) Lea, 84 



Midas, (E.) Lea, 87 



Milesii, (G.) Lea, 52 



minima, (Xylotrya) 11 



minor, (P.) Lea, 30 



raodesta, (G.) Lea, , 49, 79 



modesta, (lo) Lea, 21 



modestum, (P.) Lea, 26, 29 



monilifera, (G.) Anth., Jay, 38 



moniliferum, (P.) Lea, 22 

 monodontoides, (Anc.) Conr,, 67, 89 



monozonalis, (G.) Lea, 41 



moriforme, (P.) Lea, 24 



raucronatum, (P.) Lea, 28 



multilineata, (G.) Say, 68, 81 



mutabilis, (G.) Lea, 42 



mutata, (G.) Brot, 42, 77 



napella, (G.) Anth., 

 napoideum, (P.) Lea, 

 nassula, (G. ) Conr., 

 navalis, (Teredo) Linn., 

 nebulosa, (G.) Conr., 

 negata, (G.) Lea, 

 neglectum, (P.) Anth^, 

 neritiformis, (Anc.) Desh., 

 Newberry), (G.) Lea, 

 Niagarensis, (G.) Lea, 

 Nickliniana, (G.) Lea, 

 nigrescens, (Anc.) Conr., 

 nigrina, (G.) Lea, 

 nigrocincta, (G.) Anth., 

 nigrostoma, (P.) Anth., 

 nitens, (G.) Lea, 

 nitida, (G.) Lea, 

 nobilis, (lo) Lea, 

 nobile, (P.) Lea, 

 nodulosa, (G.) Lea, 

 nodata, (Ang. ) Reeve, 

 nodosa, (lo) Lea, 

 nodosa, (P.) Lea, 

 nubila, (G.) Lea, 

 nuelea, (Am.) Lea, 

 nuclea, (L.) Lea, 

 nucleola, (L.) Anth., 

 nuculum, (Sch.) Anth., 

 nupera, (Ang.) Say, 

 nupera, (P.) Say, 



obesa, (G. ) Anth,, 

 obliqiia, (L.) Anth., 

 obliqua, (Sch.) Anth., 

 oblita, (G.) Lea, 

 obovata, (L.) Say, 

 obtecta, (Martesia) 

 obtusa, (G.) Lea, 



40, 



52 

 91 



43, 77 

 18' 

 38 

 87 

 28 



70,90 

 53 

 52 



57, 79 



67,89 



47, 58 

 59 



48, 75 

 42, 77 



42 

 21 



22,74 



44,78 

 31 

 21 

 22 



76, 88 



72 



. 33 



33, 76 

 63 

 31 

 21 



38 

 33, 76 



65 



49, 74, 79 



33,76 



11 

 39,77 



36, 



