VI 



THE NAUTILUS. 



Oreohelix etrigosa depressa Ckll. . . . .18, 136 



Oreohelix yavapai Pils. ....... 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 cam panulatus smithii Baker, n. var. . . .118 



Plaxiphora setigera ........ 36 



Polinices pila Pils., n. sp 32 



Polygyra albolabris alleni Weth., and other Missouri 



Helices 130 



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



Polygyra fuscolabris Pils. . . . . .123 



Polygyra lawse 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. gp. . . . . . .42 



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



Spondylus echinatus Martyn . . . .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 ........ ■ 



Texas, Drift shells from 



Thais (Purpura), Notes on 



62 



115 



30 



