IV THE NAUTILI'S. 



Compsopleura trinodosa Conr 119 



Corbicula gabbiana Henderson, n. n 120 



Corbicula obliqua Whiteaves 121 



Cyphoma gibbosa 6 



Cypraea pacifica Ostergaard, n. sp. (PI. II) 92 



Cypra-a spadicea 65 



Cyrena californica Gabb 120 



Cyrena obliqua Deshayes 120 



Cyrena carolinensis Bosc 7 



Detraeia zeteki Pils., n. sp 76 



Diplomeriza Dall, 11. n 32 



Donax obesa Orb 4 



Donax variabilis Say 4 



Dmpa walkera? Pils. & Bryan = = fuscoimbricatus Sowb. . . 71 



Dupliearia, note on the name 32 



Paseiolaria distans Lam 47 



Fasciolaria gigantea Kien 44 



Fasciolaria gigantea var. reevei Jonas 46 



Fasciolaria of the southeastern United States 44 



Faseiolaria papillosa Sowerby 142 



Fasciolaria tulipa Linn 46 



Felipponea Dall, n. subgen 10 



Ferrissia. (Laevapex) dalli, n. sp 102 



Ferrissia (Laevapex) obscura (Ilald.) 101 



Fissurella volcano Reeve 66 



Florida, an old collecting ground revisited 1 



Florida, land shells of southern 18 



Fluke in Philornycus 105- 



Goniobases of Ohio 73 



Guatemalan notes 79 



Haliotis fulgens Reeve 62 



Hawaii, a new Cyprsea from 92 



Hawaiian Islands, collecting trip on Calm 54 



Helix aspersa L 64 



Helix hortensis in shell-heap, Mahone Bay, N. S 71 



Helix pisana in California 63 



Hodgson collection 105- 



Illinois, Mollusca of Dubois 14 



Lampsilis in Lodgepole Creek, Colorado 103' 



Land shells of Maine 96 



Lasmigona viridis Rafinesque 127 



Leptinaria livingstoneusis Hinkley, n. sp 80 



Limnaea (Polyrhytis) kingii Meek 119" 



Litorina in-orata Say 



Lucina philippiaua R^eve 



