VI 



THE NAUTILUS. 



72 



28 



Polygyra multilineata chadwicki Ferriss, n. var. 



Polygyra polita Pilsbry & Hinkley n. sp. (PI. V, fig. 11) 



Polj T gyra soelneri Henderson, n. sp. (PL III, figs. 1, 2) 



Pomatiopsis robusti Walker, n. sp. 



Publications received . . . .23, 36, 48, 72, 115 



Pyrgulopsis wabashensis Hinkley n. sp. 



Rissoa grippiana Dall, n. sp. 



Rhode Island, Additions to the shell-bearing mollusca 



Rous, Sloman (obituary) .... 



Say's early writings and species, A few notes on 



Scala dolosa Aldrich, n. sp. (PI. I, fig. 13) . 



Scala vetusta Aldrich, n. sp. (PL I, tig. 9) . 



Spineoterebra Sacco ..... 



Spiraxis tampicoensis Pils. (PL III, fig. 5) . 



Stearns, Frederick (obituary) 



Succinea ovalis Say ..... 



Terebratulina brundidgensis Aldrich, n. sp.(Pl. I, figs. 1, 2, 3) 



Terebridaa, Subdivisions of the . 



Tresus nuttalli Conr. . 



Triplostephanus Dall, nov. section of Terebra . . 124 



Triton gibbosus Brod. in California . 



Tritogonia tuberculata with ova . 



Trivia pilula Kiener, Note on 



Turbonilla anita Aldrich, n. sp. (PL I, fig. 2) 



Turbonilla castanea Dall & Bartsch, preocc.=T. castanella 



Dall, n. n., 

 Turbonilla harrisi Aldrich, n. sp. (PL I, fig. 8) 

 Unio angasii Lea 

 Unio bednalli Tate 

 Unio crassus Say 



Unio gigas (Swains.) Sby. (U. cumingii Lea.) 

 Unio ochraceus .... 

 Unio plicatus Say 

 Unio plicatulus Lea. . 

 Unio popei Lea. .... 

 Unios, The gravid periods of 

 Unionidae, Notes on Australian . 

 Unionidse, Notes on exotic (PI. VI) 

 Vendryes, Henry (obituary) 



37 



38 



13 



97 



, 132 



117 



136 



47 



,84 



31 



11 



10 



125 



,77 



83 



32 



124 



141 



, 125 



106 



48 



59 



9 



131 

 9 



118 



118 

 32 

 49 

 33 

 33 

 50 

 79 

 87 



118 

 49 



107 



