320 PROCEEDINGS OF THE ACADEMY OF [DeC, 



Recent Mollusca. 

 Dr. W. L. Abbott. Seventy-six trays of shells from Hayti. 

 W. O. Abbott. Twenty-eight trays of shells from Massachusetts and Penn- 

 sylvania. 



Jacob Aebly. Ilyanassa obsoleta Say from a duck. 



Reginald Allen. Five species of marine shells. 



A. Bailey. Sphaerium sulcatum Lam. from Columbia, New York. 



F. C. Baker. Six species of freshwater shells from New York and Illinois. 

 Dr. Fred Baker. Four species of shells from Bra/Jl. 



Mrs. W. L. Baker. Twenty-five species of marine shells from Florida. 

 Nathan Banks. Bulimulus liquabilis Rve from near Brownsville, Texas. 

 S. S. Berry. Nine trays of land shells from California. 

 Dr. J. Bequaert. Six species of African land shells. 



Hugo Bilgram. Polinices duplicata Say from Atlantic City, New Jersey. 

 Louis H. Bregg. Twelve species of land and marine shells. 

 Dr. W. T. Brigham. Twelve trays of land shells from Hayti. 

 Mrs. W. a. Bryan. Twelve trays of shells from New York. 

 W. A. Bryan. Cotypes of Tapes philippinarum kupi Bryan from Oahu. 

 Mrs. H. H. Buckman. Pyramidula alternata Say from Au Sable Gorge, New 

 York. 

 H. C. BuRNUP. Five trays of African land shells. 

 Dr. p. p. Calvert. Two species of shells from Costa Rica. 



G. H. Clapp. Gastrocopt'i delicata Pils from Cat Cay, Bahama Islands. 

 W. F. Clapp. Twenty-five trays of land shells. 



J. B. Clark. Forty-eight trays of shells from Florida. 



T. D. a. Cockerell. Two species of land shells. 



Emily Collins Collection. Twenty-eight species of shells. 



Prof. Franco Contreras. Four species of Naiades from Mexico. 



Dr. C. M. Cooke. Eighty-five trays of land shells from Vancouver Island 

 and Hawaiian Islands. 



W. J. Cresson, Jr. Two species of marine shells. 



Dr. Florentino Felippone. Twelve trays of shells from Uruguay. 



J. H. Ferriss. Eighty-four trays of land shells from South Western United 

 States. 



J. H. Ferriss and E. Hand. Vertigo sterkii Pils from near Kern River, CaH- 

 fornia. 



W. J. Fox. Limax flavus L. from Philadelphia. Pennsylvania. 



Friends' Central School. Seven species of marine shells. 



G. M. Greene. Two species of marine shells. 



J. M. Hawley. Two species of land shells from New York. 



Miss Hayes. Argonauta tuberculosa Lam. 



Morgan Hebard. Twenty-eight trays of shells from Florida. 



J. B. Henderson. Ten trays of shells from Cuba and the United States. 



A. A. Hinkley. Seventy-four trays of shells from Guatemala and Mexico. 



A. A. Hinkley and J. H. Ferriss. Eighty-four trays of land shells from Ari- 

 zona. 



C. W. Johnson. Oliva ccerulea Bolt, from New Guinea. 



F. J. Keelby. Two species of shells from Pennsylvania and Florida. 



C. H. Kennedy. Zonitoides arborea Say from Bay Shore, near Baltimore, 

 Maryland, 



