IV THE NAUTILUS. 



Epitonium clarki Oldroyd, n. sp 115 



Ensis directus Conr 60 



Euconulus fulvus (Miill.) 14 



Eurynia nebulosa (Conrad) 90 



Eurynia perpurpurea (Lea) 90 



Eurynia vanuxemensis (Lea) 91 



Ferrissia adarnsi Walker, n. sp. (pi. 3, figs. 7-9) 74 



Ferrissia blandi Walk., n. sp. (pi. 3, figs. 10-12) 75 



Ferrissia jamaicensis Walker, n. sp. (pi. 3, figs. 1-3) .... 73 



Florida, shells of Orlando 31 



Florida, shells of the east coast 119 



Fusconaia barnesiana Lea 83 



Fusconaia cuneolus Lea 82 



Fusconaia edgariana Lea 83 



Fusconaia pilaris Lea 81 



Galba vahlii (Beck) 68 



Gastrocopta holzingeri agiia Pils 29 



Gastrocopta pellucida hordeacella Pils 13 



Gastrocopta rupicola Say 108 



Gonyodiscus cronkhitei Anthonyi Pils 14 



Gonyodiscus shimeki cockerelli Pils 5 



Guatemala mollusca 37 



Haplotrema concava Say 28 



Helicina occulta Say 64 



Hemisinus ruginosus Mor 47 



Hinkley, Anson A. (obituary and portrait) 55 



Lampsilis higginsii Lea, anatomy of 80 



Land mollusks of the Belgian Congo 102 



Land shells from Beaver Co., Pa 28 



Land shells of Chokoloskee Key and Cape Sable, Fla 108 



Land shells of Southern Florida 93 



Lasmigona holstonia Lea 87 



Lastena lutea Raf 87 



Lexingtonia dolabelloides Lea 83 



Liguus at Marco, Florida 139, 140 



Liguus fasciatus simpsoni, n. subsp 140 



Loess deposits near Alton, Illinois 61 



Lucidella tantilla Pils 108 



Lymnaea emarginata Say and L. ampla Mighels, type 



localities of 77 



Lymnaea stagnalis appressa Say 10 



Marine mollusca about New York City 59 



Medionidus conradicus Lea 90 



Modiolus demissus Dillwyn, in San Francisco Bay 91 



Mussels, on the erosion and thickness of shells of the 



fresh water 15 





