THE NAUTILUS. 41 
So far as I am aware, no description of the shell, previous to my 
own, has been published ; and unless proof of such publication is 
shown I shall claim priority both for the name and description. 
This claim has especial reference to a criticism of the name applied 
to the shell in my former articie. 
It might be well to add that the incipient tooth in the interstice 
next to the anterior fold, as shown in the figure published in THE 
Navtiuus for April, 1895—is not typical, since it is discernable in 
less than five per cent of the specimens, and very slightly in them. 
In a hurried selection of the specimen for drawing purposes, this 
very minute protuberance was unobserved by me. Otherwise it 
would not have been drawn. This error has been corrected in the 
figure accompanying this article. 
BEACH SHELL COLLECTING IN CONNECTION WITH A STUDY OF 
OCEANIC PHENOMENA. 
BY MRS. M. BURTON WILLIAMSON. 
It has often occurred to me that a shell collector who is something 
of a physicist, having a love for historical facts, could furnish 
interesting data in regard to shore collecting under certain physical 
conditions of the ocean. Few amateur collectors note the historical, 
or rather chronological appearance of genera and species collected 
by them, they are usually satisfied with obtaining a “good find,” 
but time and seasons are hardly observed, certainly not studied as 
furnishing data for future reference. A storm is hailed as a precur- 
sor of “ rare finds,” but a study of the storm with notes in regard to 
it, accompanied with a list of shells found after such a storm are too 
frequently neglected by collectors. Mollusks are collected too often 
as a miser collects his money, as a mania, not as a medium for an 
intelligent study of Nature. It seems to me, that a study of 
mollusks thrown upon the shore from other areas, in connection with 
a study of the physical condition of the ocean at such times, would 
be very helpful to the collector, although of no value to science. It 
may be urged that shells cast up by the sea are merely “ happen- 
