544/. Ly 
$1.00 per Year.  ($1.12to Foreign Countries.)  1Octs. a copy. 
THs 
NAUTILUS 
A MONTHLY 
DEVOTED TO THE INTERESTS 
OF CONCHOLOGISTS. 
ESTABLISHED BY W. D. AVERELL, IN 1886, AS 
«THE CONCHOLOGISTS’ EXCHANGE.” 
Wola sh: #2, df ty, FEBRUARY, 1890 No. 10. 
CON TENS: 
PAGE. 
COLLECTING LAND SHELLS IN EASTERN NEW York. W. S. Teaton. . 109 
NEw WESTERN Stucs. T. D. A. Cockereli. : Sab 
OcCURRENCE OF HELICINA OCCULTA SAY, IN BROWN CouNTY, re 
George T. Marston. : : perl altes 
ANNOTATED LIST OF THE SHELLS OF S?. ape USTINE, FL A. a W. Johnson. 114 
A Worp TO YouNG CoLiecrors. Josiah Keep. , : L 5 IE 
NoTEs ON SOME NORTHERN PUPIDAE WITH DESCRIPTION OF A NEW 
SpeciEs. Dr. V. STERKI. 5 Wily 
GENERAL NOTES. ZO 
Published by 
H. A. PILSBRY, Editor, Academy of Nat. Sciences, Philadelphia. 
W. D. AVERELL, Manager, Mt. Airy, Philad’a. 
Entered at Philadelphia Post-Office as second-class matter. 
FOREIGN AGENCIES :—I ondon, Triibner & Co., 57 and 59 Ludgate Hill; 
Berlin, R. Friedlander & Son, 11 Carlstrasse. 
