IV THE NAUTILUS. 



Draparnaudia Montrouz 110 



Editorial correspondence 53 



Endodouta (?) tenuiscripta Ancey, n. sp 90 



Ervilia concentrica Gould 26 



Ervilia maculosa Dall, n. sp 26 



Ervilia nitens (Mont.) Turton 25 



Ervilia, the American species of 25 



Ervilia subcancellata Smith 26 



Extracts from a note book 82 



Fossils of Dead Man's Island 140 



Fossil shells of San Pedro Bay 



Goose Fair Brook 15 



Helicina plicatula var. christophori Pilsbry, n. var. . . . 118 

 Helix alternata, influence of environment upon the form 



and color of 63 



Helix nemoralis at Lexington, Va 142 



lanthina 133 



Isaac Lea Department of Agassiz Association, 10, 33, 43, 



56, 68, 81, 92, 106, 112, 123, 140 



Ischnoehiton scabricostatus Cpr 49 



Land and fresh water shells collected by Dr. "\Ym. H. Rush 



in Uruguay and Argentina 76 



Land mollusca from the rejectamenta of the Rio Grande, 



N. M 41 



Land shells of Quebec City and district, notes on .... 98 



Large Decapod 108 



Leda caelata Hinds, note on 70 



Leda cellulita Dall, n. sp. . .' 1 



Leda conceptions Dall, n. sp 



Leda from the Pacific Coast, new species of 1 



Leda leonina Dall, n. sp 



Leda pontonia Dall 



Lepyrium Dall, n. gen 15 



Lia, note on 47 



Limnrea bulimoides Lea resisting drought . 96 



Mactra, note on 47 



Mactrella Iheringi Dall, n. sp 123 



Marine shells on the southern California Coast 56 



Melania vatensis Ancey, n. sp 90 



Methods, chapter on 43 



