$1.00 per Year. ($1.12 to Foreign Countries.) lOcts. a copy. 
THE 
NAUTILUS 
A MONTHLY 
DEVOTED TO THE INTERESTS 
OF CONCHOLOGISTS. 
EDITOR : 
H. A. Pilsbry, Conservator Conchological Section, Academy of Natural Sciences, Philadelphia. 
ASSOCIATE EDITOR : 
C. W. Johnson, Curator of the Wagner Free Institute of Science. 
Vol. VIII. APRIL, 1895. No. 12. 
CONTENTS : 
PAGE. 
Mollusk Fauna of Philadelphia and Environs By Morris Schick. . 133 
Note on the Species of Veronicella found in Central America. 
By T. I). A. Cockerell, N. M. Agr. Exp. Sla. . 140 
Notes and News.143 
New Publications. ..144 
Published by 
H. A. PILSBRY, Editor, Academy of Nat. Sciences, Philadelphia. 
C. W. JOHNSON, Manager, Wagner Free Institute of Science, Philad’a. 
Entered at Philadelphia Post-Office as second-class matter. 
