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 



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

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



Buceinum inclitum Pils. n. sp. . . . . . .87 



Cambridge Natural History : errata corrected . . .58 

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



Carychium 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,u.n. for C.oscariana Pils.,preoc. 21 

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



Diplothyra 102 



Drymseus 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 (JEgista) eminens Pils. & Hir., n. sp. . . .4 

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

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

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

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

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

 Eulota (^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 



Eulota (Plectotropis) shikokuensissubdivesta P.& H. . . 3 



Ferrissia Walker 16,75 



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

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



Haliotis, a peculiar ........ 67 



