THE NAUTILUS. T 



Macroceramus richaudi liueatistrigatus Pils 51 



Maine mollusca, additions to the list of 18, 48 



Medionidus conradicus Lea 142 



Microceramus longus Henderson n. sp 136 



Modiolus demissus Dillw., and var. granosissimus Sowb. 35 



Mollusca, some European 10 



Molluscan fauna from vicinity of Bolinas Bay, Cal 25 



Mollusks from Magician Lake, Cass and Van Buren Coun- 

 ties, Mich 



Musculus phenax Dall. n. sp 138 



Najades, studies in 20, 28, 41, 65, 106, 129 



New Mexican expedition of 1914 109 



New Mexico, shells of Duran 37 



Newspaper conchology 70 



Notes 10, 22, 35, 47, 60, 70, 83, 95, 131 



Octopus 47 



Oliva annulata Gmel 103 



Oliva bulbosa Bolt 101 



Oliva caerulea Bolt 102 



Oliva carolinensis Conr 114, 140 



Oliva fulgurator Bolt 115 



Oliva funebralis Lam 100 



Oliva ispidula Linne 102 



Oliva ispidula var. samarensis Johns n. var 103 



Oliva litterata Lam 114, 139 



Oliva oliva Linne 99 



Oliva reticularis Lam 114 



Oliva sayana E,av 139 



Oliva sericea Bolt 97 



Oliva spicata Bolt 115 



Oliva tigrina Lam 100 



Oliva tricolor Lam 102 



Oliva variegata Bolt 101 



Olivaucillaria urceus Bolt 103 



Oreohelix barbata Pils 110 



Ostrea elongata Solander (0. virginica Gmel.) 



Ostrea fischeri Dall n. nom 1 



Ostrea serra Dall n. sp 



Ostrea tubulifera Dall u. sp 3 



Paludina coarctata and incrassata Lea (PL V) 121 



Panopea geiierosa, possible transportation of 47 



Pecten nucleus irradians, statistical study in variation of 52 



Petricola dactylus Sowb. in Buzzards Bay 95 



Physa acuta Drap. (PL III, f. A) 70 



Physa heterostropha Say in Europe 69 



