1917.] 
NATURAL SCIENCES OF PHILADELPHIA. 
301 
Arthur Jacot. Twenty-two trays of shells, North Carolina and New York. 
C. W. Johnson. Viviparus malleatus Rve., near Boston, Massachusetts. 
F. J. Keeley. 0 vula uniplicata Sby., Hawks Park, Florida. 
Philip Laurent. Three trays of shells, Florida, 
Mrs. A. L. Letson. The type of Odostornia letsonae Pils., Oahu. 
Bayard Long. Forty-five trays of shells, America. 
J. G. Malone. Six species of shells, Oregon. 
E. S. Mattern and H. W. Fowler. Eight trays of shells, New Jersey and 
Pennsylvania. 
E. S. and W. I. Mattern. Ten trays of shells, New Jersey, Pennsylvania 
and Florida. 
E. H. Matthews. Two Australian marine shells. 
W. G. Mazyck. Six trays of Bullaria. 
D. N. McCadden. Three trays of shells, Maryland and New Jersey. 
R. E. B. McKenney. Veronicella, Panama. 
Mrs. I. S. Oldroyd. Three trays of California shells. 
Free Ottemiller. Fifteen trays of shells, Pennsylvania and Florida. 
W. H. Over. Thirty-five trays of shells, South Dakota. 
Dr. R. J. Phillips. Squid eggs, New Jersey. 
Miss R. M. Pierce. Two marine shells, New Jersey. 
Dr. H. H. Pilsbry. Seven hundred and seventy-two trays of shells, Hawaiian 
Islands, Cuba and United States. Two hundred and twenty-two trays of 
shells, New Mexico. 
Princeton University. Two chitons, Porto Rico. 
Charles T. Ramsden. Sixteen trays of Cuban shells. 
Russell C. Rosenfelt. Pisidium streatori St., S. Worthington, Massa¬ 
chusetts. 
A. F. Satterthwait. Thirteen trays of shells, Arkansas and Missouri. 
Dr. H. Skinner. Ceratodiscus ramsdeni Pils., near Guantanamo, Cuba. 
H. H. Smith. One hundred and seventy-two trays of shells, Alabama and 
Tennessee. 
Maxwell Smith. Thirty trays of land shells, Europe and Colorado. 
G. W. H. Soelner. Veronicella cubensis Pfr., Isle of Pines, Cuba. 
Sowerby and Fulton. (Purchased.) One hundred and ninety-three trays 
of shells. 
Irwin Spalding. One Pterodiscus, Oahu. 
Dr. Witmer Stone. Two species of shells, New Jersey and North Caro¬ 
lina. 
D. Thaanum. One hundred and fifty-two trays of Hawaiian marine shells. 
Mrs. L. D Thompson. Sixteen trays of New England shells. 
W. Tollery. Five species of marine shells, England. 
H. Trudell and S. G. Gordon. Four land shells, North Carolina. 
E. G. Vanatta. Planorbis corneus rubra Bs., from an aquarium in Phila¬ 
delphia, Pa. 
Bryant Walker. Five trays of west American shells. A specimen of 
Holospira bartschi. 
E. M. Walker. Arion circumscriptus Jh., Toronto, Canada. 
B. Walker and H. F. Wilson. Two land shells, Wisconsin. 
