IV THE NAUTILUS. 



Arion circumscriptus on Goat Is., Niagara Falls, N. Y. . 91 

 Ashmun, Rev. E. H. (Portrait) . 120, 121 



Ashmunella, a new ........ 72 



Ashmunella walkeri Ferriss, n. sp. ..... 53 



Bermudian mollusks, some notes on . ... . . 129 



Bifidaria . 107 



Buccinum from the Kuril Islands, new species of . . 87 

 Buccinum chishimanum Pils., n. sp. . . . . .88 



Buccinum inclitum Pils. n. sp. . . . . . .87 



Cambridge Natural History : errata corrected . . .58 

 Cape Cod mollusks, some notes on ... . . 129 



Carychiurn nipponense Pils. & Hir., n. sp. .... 7 



Cave-snails ......... 67 



Cecilioides acicula Miill ....... 130 



Cerion incanum Binn. . . . . . . .137 



Clams affected by sewerage ...... 60 



Clausilia pilsbryana Ancey, n. n. for C. oscariana Pils., preoc. 21 

 Delaware, a glimpse at the shell fauna of . . . .63 



Diplothyra . . . . . . . . . .102 



Drymaeus nubilus Preston=D. recluzianus Pfr. var. martesi- 

 anus Pils. . ... ... 22 



Ena . . . . . . . 105, 106, 115, 117 



Erato albescens Dall, n. sp. . . . . ' . .124 



Eucore . ..... . 103, 105 



Eulota (^Egista) eminens Pils. & Hir., n. sp. ... 4 



Eulota (JEgista) friedeliana var. goniosoma P. & H., n. v. . 34 

 Eulota (^Egista) friedelinana var. vestita P. & H., n. v. . 33 

 Eulota (J^gista) kobensis var. pertenuis P. & H., n. v. . 34 

 Eulota (^Egista) kobensis var. koshikijimana P. & H., n. v. 34 

 Eulota (^Egista) mimula var. goniosoma P. & H., n. v. . 4 

 Eulota (J^gista) tokunoshimana P. & H., n. sp. . . .33 



Eulota (Euhadra) irrediviva P. & H., n. sp. 32 



Eulota (Plectotropis) pannosa var. awashimana P. & H., n. v. 3 

 Eulota (Plectotropis) pressa P. & H., n. sp. ... 33 



E ulota (Plectotropis) shikokuensissubdivesta P.&H. . . 3 

 Ferrissia Walker . . . . . . . 16,75 



Genota riversiana Raymond, n. sp. . . . . 14 



Glochidia of Unio on fishes ...... 142 



HaJiotis, a peculiar ........ 67 



