THE NAUTILUS. V 



Opistliosiphoii beriyi Clapp, ii. sp. (pi. 1, Hg. 14) 86 



Opistliosiphon from Cuba, a new 86 



Oreohelix cooperi minor Ckll 41 



Oreohelix cooperi obscura Hend., n. form 46 



Paludiua burroughiana Lea 120 



Paludina earinata Auct 109, 110 



Paludina cumingii Rve 113 



Paludina multiearinata Hald 120 



Paludina multilineata M. & H 62 



Panomya ampla Dall 106 



Panope (generosa Gould var. ?) taeniata Dall, n. sp. ? ... 25 



Parachatina Bourg 99 



Philippine snails, some 58 



Philippines, new land shells from the 15 



Philippines, Viviparidffi of 109 



Pholadomya undata M. & H 60 



Pintoa Bourg 99 



Planorbis altissimus Baker, n. sp. (pi. 7, figs. 7-10) 95 



Planorbis campanulatus, from Blue Sea Lake, Quebec, 



notes on variation 127 



Planorbis from post-glacial deposits, description of new 



species and varieties 94 



Planorbis parvTis urbanensis Baker, n. var. (pi. 7, figs. 4-6) 94 



Planorbis vetulus M. & H 64 



Pleistocene fossils of Magdalena Bay, Lower California, 



collected by Charles Russell Orcutt 23 



Pleurodonte marginella in Florida 104 



Polymita auricoma in Florida 104 



Polymita muscarum in Florida 104 



Praticolella campi Clapp & Ferriss, n. sp. (pi. 6, figs. 1-4) 78 



Praticolella griseola Pfr. (pi. 6, figs. 5-7) 79 



Pressodonta rediviva 35 



Priotroehatella constellata Mor 48 



Priotrochatella stellata Vel 48 



Priotroehatella torrei Clapp, n. sp. (pi. 4, figs. 1-6) 47 



Publications received 35, 69, 106, 144 



Rare shells collected in Puget Sound, Wasliington 105 



Rhysota ovum Val 58 



Serpa?a Bourg 99 



Shells from Angel and Tiburon Islands, Gulf of California 26 



Strophitus edentulus pavonius, notes on the Glochidia of 17 



Stylobates, a warning 79 



Stylobates aeneus Dall (pi. 6, figs. 8-10) 79 



Suter, Henry (obituary) 72 



Systematic position of two species of mussels from the 



Ozarks 13 



