THE NAUTILUS. 



Iheringella, n. g. 30 



Illustrations of new shells 1 



Illustrations of new Cretaceous shells .... 51 



Illustrations of Mexican Melanians .... 61 



-Japanese Moll usks, notices of new ..... 143 



Land mollusca observed in the Gaspe region ... 65 



Land and fresh-water shells of Allegheny County, Pa. . 135 



Land and fresh-water shells of the Rocky Mts. ... 85 



Laoma ......... 78, 88, 92 



Latirus indistinctus Aldrich, n. sp. (PI. IV) ... 99 



Leptothyra, a synonym of ...... . 84 



List of Brachiopoda, Pelecypoda, Pteropoda, and Nudi- 



branchiata of Jamaica recent and fossil . . 103,113 



Mactra, new species of 136 



Mactra catilliformis Conr. ...... 137 



Mactra dolabriformis Conr. 138 



Mactra Hemphilli Dall, n. sp . 137 



Malacological Society of London, 11 



Mesodon wetherby ........ 6 



Meturoplax Pilsbry, n. subg 107 



Microplax Ad. & Ang 139 



Mitra lintoidea Aldrich, n. sp. (PI. IV) .... 97 



Mollusca of Arkansas ....... 33 



Monocondylsea 18 



Murex (Pteronotus) Burnsii Aldrich, n. sp. (PI. IV) . 98 



MutelidiB 20 



Nassa brunneostoma Stearns, n. sp. . . . . . 10 



New Cretaceous fossils from the Lower Green Marl of N. J. 37 



New postal ruling ........ 58 



New publications 96, 181 



New Tertiary fossils from Red Bluff, Miss. ... 97 



New Zealand land and fresh-water mollusk, notes on some . 122 

 Notes and news . . . . 11, 24, 35, 59, 84, 93, 130 



Nuttallina, Californian species of the genus . . . 133 



Olfactory organs of Helix ...... 60 



Pachychilus glaphyrus Morelet ...... 62 



Pachychilus glaphyrus var. between polygonatus and immanis. 



(PI. Ill, figs. 5, 6) 63 



Pachychilus glaphyrus Rovirosai Pils. (PL I, figs. 9, 10) . 62 



Pachychilus glaphyrus potamarchus. (PI. Ill, fig. 7) . 63 



