VI THE NAUTILUS. 



Oreohelix strigosa depressa Ckll. . 18, 136 



Oreohelix yavapai Pile. . . 18 



Pachycheilus violaceus Preston, Note on . . . 88 



Palseoglossa n. n. for Glossina . .96 



Pearls in one Unio ... 84 



Pennsylvania, Land shells of Monroe County . . .75 

 Pennsylvania, Molluscan fauna of Northampton County . 26 

 Physa gyrina, Notes on . .... 108 



Pisidia from Alabama, New . 2 



Pisidium dispar Sterki, n. sp. . 2 



Pisidium inornatum Sterki, n. sp. .3 



Pisidium, The cardinal teeth of. . 1 



Planorbis campanulatus smithii Baker, n. var. . .118 



Plaxiphora setigera ...... .36 



Polinices pila Pils., n. sp. . 32 



Polygyra albolabris alleni Weth., arid other Missouri 



Helices. . ... . 130 



Polygyra clarkii bradleyi Vanatta, n. var. . . 120 



Polygyra fuscolabris Pils. ...... 123 



Polygyra lawe Lewis . . . . . . .132 



Polygyra monodon cava Pils. and Van., n. subsp. . . 12 

 Polygyra sargentiana J. and P. . . . . .124 



Polygyra smithii Clapp . . . .122 



Polygyra (Triodopsis) obstricta, locality for . 60 



Pseudanodonta. ... ... 22 



Publications received . . 8, 23, 36 



Rochefortia grippi Dall, n. sp. . .128 



Scalariidse, New Japanese. . . 32, 41 



Scala kamakurana Pils., n. sp. . . 41 



Scala pretiosa var. multivaricifera Smith, n. var. . 56 



Scala sagamiensis Pils., n. sp. . . . . . .42 



Scala stigmatica Pils., n. sp. . . 34 



Spondylus echinatus Marty n . . . .11 



Squid off the California coast, Occurrence of a giant. . 117 

 Stenogyra subula Pfr. . . . . . . .115 



Strombus pugilis, Notes on the variation of ... 109 

 Stylommatophora, Additional notes on the locomotive 



disk of .... .62 



Texas, Drift shells from . . . . . . .115 



Thais (Purpura), Notes on ...... 30 



