VI 



THE NAUTILUS. 



sp. 



(PI 



IV) 



III, figs. 8 



9) 



Papuina, notes on 



Papuina cerea Hedley, n. sp. 



Patella hermadecensis Pilsbry, n 



Patella kerinadecensis, note on 



Petropoma Gabb. 



Phacellozona Pilsbry, n. g. 



Plagiodon .... 



Pleurotoma Clarkeana Aldrich, n. sp 



Polygyra subpalliata Pilsbry, n. sp. 



Polygyra, descriptive notes on certain forms of 



Polygyra appressa Say 



Polygyra appressa perigrapta Pils. n. var. 



Polygyra tridentata edentilabrisPils. n. var 



Polygyra hirsuta altlspira Pils. n. var. 



Polynices 



Polypi acognath a .... 



Potomanax Pilsbry, nov. subg. . 

 Potomanax Rovirosai Pilsbry, n. sp. (PI 

 Rare old book ..... 

 Reply to Professor Wheeler 

 Review of von Ihering's classification of 



Mutelidse ..... 



Rhenea ...... 



San Pedro as a collecting ground 

 Sepia Hercules Pilsbry, n. sp. 

 Sheepscote River .... 



Shells of Henry Co., Ind. . 



Shell collecting in Northern Alabama 



Shells of the Saginaw Valley, Michigan 



Small grey slug in Jamaica 



South American notes 



Spixoconcha, n. g. . 



Strobilops, preliminary note on the species 



Strobilops Hubbardi, variations of 



Strobilops Hubbardi ... 



Succinea, notes on North American species 



Succinea stretchiana ... 



Succinea corbis Dall, n. sp. 



Tasmanian Land Mollusca, Contribution towards a revision 



of the ......... 



of 



of 



Unionidse and 



73- 



136 



109 



142 



84 



139 



20,30 



98 



5, 7 



139 



140 



140 



140 



141 



8 



88 



63 



64 



47 



22 



17 



78,89 



74 



144 



81 



68 



121 



125 



21 



2 



30 



5& 



84 



94 



43 



46 



55 



87 



