INDEX. 



Ill 



Page. 



Unio propheticus 27 



senectus 26 



shoahonenaia 29 



etewardi 20 



Bubspatulatns 25 



tellionoides 29 



vetustua 24 



waahakiensia 29 



Unonidae 18 



Valvata ? montanaenais 64 



nana 64 



scabrida 64 



subumbilicata 64 



Valvatid* 64 



Viviparidse 60 



Viviparus conradi 61 



couesii 61 



gillianua 60 



Page. 



Viviparas leai 61 



leidyi 61 



var. formosus 61 



paladin sfonnia 62 



panguitchensis 61 



peculiaria 61 



plieapreaaua 61 



prudentiua 61 



retuaus 61 



reynoldaianua 61 



trochiformia 61 



wyomingenaia 62 



Vitrina obliqna 46 



Yitrinidse 46 



Volaella (Brachydontea) laticostata 17 



regnlaria 17 



White, report of 1 



Zonitea prisons 47 



