INDEX. 



Distribution of Unionidae in the Mahoning, Cuyahoga and 



Tuscarawas Rivers. 

 Eastern New York Notes. 

 Edible Mollusks of Maine. 

 Gouiobases, Remarks on Certain 

 Goniobasis Catenaria Say, Notes on . 

 Haliotis. ...... 



Haliotis rufescens. .... 



Haliotidae. 



Helix introferens in N. J. 



Helix hortensis in Nantucket. 



Helix ptychophorus var. castanea Hemphill. 



Helix tudiculata var. subdolus Hemphill. 



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



Isaac Lea Chapter of the Agassiz Association. . 



Limax arborum from submaculatus £ nov. 



Limnaea Pilsbryi n. sp 



Limnaea stagnalis var. occidentalis Hemphill. 



Limnaea columella in Phila 



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

 Lucapinella. ........ 



Mayo, Edward Richards (Obituary.) 



Mollusks of the San Francisco Markets. 



Mollusks of the United States. .... 



Nanina, New Species of (N. Rusehenbergeri 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 Pupida with Description of New 



Species. ....... 



Notes on Mr. Hemphill's Catalogue. 



Notes on the Sculpture of American Limna?as, etc. 



Omalax Siugleyi, n. sp 



Origin of Species. ...... 



Ostrea gigas Thunberg 



Patella (Helcioniscus) Stearnsii, u. sp. 



Patula strigosa, New Varieties of . . . 



Pisidium, New American (P. Idahoense Roper.) 



51 



20 

 66 



112 

 49 



124 

 13 

 59 



102 



12 



24,48 



41 



41 



, 63 

 81 

 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 



