IV 



INDEX. 



Di.-^tiihiition of Unionidae in the Mahoning, Cuyahoga and 



Tuscarawas Kivers. 

 Eastern New York Notes. 

 Edible Mollusks of Maine. 

 Goniobases, Remarks on Certain 

 Goniobasis Catenaria Say, Notes on , 



Haliotis . 



Haliotis rufescens. .... 



Haliotidae. 



Helix introferens in N. J. 



Helix hortensis in Nantucket. 



Helix ptychophorus var. castauea Hemphill. 



Helix tudiculata var. subdolus Hemphill. 



Helix Carpenteri, New Variety of (Var. Indioensis). 



Isaac Lea Chapter of the Agassi z Association. . 



Limax arborum from submaculatus f. nov. 



Limnaea Pilsbryi u. sp 



Limnaea stagnalis var. occidentalis Hemphill. 

 Limnaea columella in Phila. ..... 



List of MoUusca of Gloucester Co., N. J. . 

 Lucapinella. ........ 



Mayo, Edward Richards (Obituary.) 



Mollusks of the Sau Francisco Markets. 



Mollusks of the United States. .... 



Nauina, New Species of (N. Ruschenbergeri Pilsbry.) 



New Species of U. S. Land Shells 



New Forms of Western Limniades. .... 

 New Eocene Fossil from Texas. .... 



New Varieties of Western Land Shells. 

 New Species of Limpet from Japan. .... 

 Notes on North American Pupidie with Description of New 



Species . 



Notes on iNIr. Hemphill's Catalogue. 



Notes on the Sculpture of American Linnuvas, etc 



Omalax Singleyi, n. sp. ..... 



Origin of Species. ...... 



Ostrea gigas Thunberg. ..... 



Patella (Helcioniscus) Stearnsii, n. sp. 



Patula strigosa. New Varieties of . . . 



Pisidium, New American (P. Idahoeuse Roper.) 



20 

 66 



112 

 49 



124 

 13 

 59 



102 

 12 

 24,48 

 41 

 41 

 51, 63 

 31 

 12 

 25 

 26 

 47 



113 

 96 



132 

 97 



101 

 64 

 3 

 25 

 25 

 41 



100 



7,27 



110 



121 



3 



11 



95 



100 



15 



85 



