$1.00 per Year, lOcts. a copy. 
THE 
NAUTILUS 
A JOURNAL 
DEVOTED TO THE INTERESTS 
OF CONCHOLOGISTS: 
ESTABLISHED IN 1886 AS “THE CONCHOLOGISTS’ EXCHANGE.” 
No. 1 
CONT ENS: 
PAGE. 
Introduction : : : ; : 5 : é : : 5 = ll 
Notes on the soft parts of Zrochus infundibulum Watson, with an account of 
a remarkable sexual modification of the epipodium. Dr.Wm.H. Dall. 2 
CAST UP BY THE SEA. E. W.. Roper. : : : ‘ : : fs 5 
GENUS MAKING. Chas. T. Simpson. . : : 4 : : : 5 
STRIZ 3 : : ; : : : : : " 8 
On Paludina scalaris Jay.—Patula cooperi in Colorado.—Limosing in 
Texas.— Bermuda land snails.—A new Floridan Bulimudlus. 
Nores ON THE GENUs CYPR4:A. John Campbell. : : ; aw 
PUBLICATIONS RECEIVED : . 4 : ; ; : : : 12 
ADVERTISEMENTS. — . ; ; F : ; F : : ii; Wis Ive 
PHILADELPHIA : 
Published monthly by H. A. PILSBRY and W. D. AVERELL. 
Entered at Philadelphia Post-Office as second-class matter. 
