THE NAUTILUS. V 



Harford, W. G. W. (obituary). 8 



Harpa, The nomenclature of ... .65 



Helix (Dentellaria) badia Fer., New color varieties . . 48 



Helix badia var. roseolabrum Smith, n. var. 48 



Helix badia var. unicolor Smith, n. var. . . 48 

 Helix hortensis var. dichroa Ckll. n. n. for bicolor Ckll. 



not Picard ....... .60 



Helix hortensis on Long Island, N. Y., etc. 92, 96 



Hyridella australis (Lamarck), Anatomy of . 100 



Keep, Professor Josiah (obituary and portrait). . 61 



Lampsilis discus Lea . . 36 



Leptothyra grippii Dall, n. sp. . . 25 



Limax maximus on Nantucket Island . 60 



Locomotive disk of Stylommatophora . 62 



Lymnaea auricularia in Ohio . . .11 



Lymnaea auricularia in Canada . .60 



Lymnaea florissantica, Note on. . . .24 



Lymnseidae of Aroostook County, Maine . . .107 



Lymnium, The use of the generic name . . 88 



Maine pearls ...... . 120 



Margaritana niargaritifera L. 6, 120 



Margaritana monodonta Say, Distribution of .57 



Margaritana, The use of the generic name. . . .88 



Margaritanidse Ortmann ... 6 



Maryland, Land mollusks of Garret County . .111 



Mesomphix laevigata latior Pils. ... . 125 



Modiolus demissus var. plicatulus in Brookline, Mass. . 132 

 Mollusks of Wellesley Island and vicinity, St. Lawrence 



River .... .66 



Mytilopsis Conrad ........ 95 



Musculium declive Sterki, n. sp. . . . 103 



Naiad, A new North American ...... 98 



Naides, The classification of the European. . . 5, 21 



Naticidse and Scalaridse, New Japanese . . . .32 



New Jersey, Land shells of Atlantic City . . . .35 



Notes . 11, 24, 36, 48, 59, 83, 94, 120, 132 



Omphalina kopnodes W. G. Binn. ..... 124 



Opeas gracile (Hutton) in the United States . . 114 



Oreohelix, Notes on. . . . . . 18, 133 



Oreohelix cooperi W. G. B. . . . . . .138 



