IV THE NAUTILUS. 



Cepolis hu'i{)ota Poey 43 



Cepolis ovunircpili Lea 42 



Cerithopsis aiiaitis ii. n. for C. heleiia Bartscli not Boett^er 72 



(>hon(Ii*us Itcichenbach 1828, replaces Modieella Ads. 1854 81 



Circinaria vancouverensis from Unalaska 13 



Clark, William liullock (obituary) 68 



Colloc'tin^' shells in a corner of the Sierra Neva<la 31 



Crenodonta perplicata Con 122 



C'uba, collecting days about the Naval Station, Gnanta- 



namo Bay 41 



Cumborlandia raonodonta Say 121 



Drupa foliacea Conrad (pi. 9, f. 1, 2, 3) 100 



I)i'uj)a niorus Lam. (pi. 9, f. 11) 102 



Drupa tuberculata Blainv. (pi. 9, f. 10) 102 



Drupa vitiensis Pils. (pi. 9, f. 5) 99 



Drupa walkene Pils. and Bryan, n. sp. (pi. 9, f. 4) 99 



Elysiella Verrill 131 



Epiphrafirmophora callistoderma Pils. & Ferr., n. sp. (pi. 



7, f. 3) 33,93 



Epiphragmophora fidelis, albinistic 72 



Epiphragmophora tudiculata Binn., var 33 



Epiphragmophora veatchii, station of 144 



Eurynia subrostata Say 118 



Ferrissia (Laevapex) diaphana Hald. (pi. 2, f. 4) 3 



Ferrissia rivularis Say (pi. 2, f. 3) 3 



FerrissiiniB Walker, n. subfam 2 



Fisherola Hannibal 2 



Florida, a list of shells from the east coast of 53 



Friday Harbor, Washington, a summer's collection at. . . 95 



Fusconaia, a new type of the Nayad genus 58 



Fusconaia barnesiana Lea 59 



Fusconaia. ozarkensis Call 62 



Fusinus sandwichensis Sowb. (pi. 9, f. 8) 100 



Gastrocopta contracta climeana Van 114 



Gratacap, Louis Pope (obituary) 135 



Goniobasis livescens Menke 88 



Goniobasis lawrencei Lea 117 



Gundlachia aneyliformis Pfr 3 



Gundlachia hinkleyi Walker, n. sp. (pi. 1, f. 10-16, pi. 3, 



11) 4,51 



Helix hortensis at Digby, Nova Scotia 58 



Helix nemoralis in Knoxville, Tenn 107, 133 



Isehnochiton conspicuus, notes on the variation of 37 



Ischnochiton pilsbryanus Berry = I. (L.) nipponica 



Berry 144 



