62 THE NAUTILUS. 
SHELLS OF LA JOLLA, CALIFORNIA. 
BY C. R. ORCUTT. 
My acquaintance with La Jolla dates back to 1879, when 
there was not a human habitation on the coast from San 
Dieguito on the north to the old lighthouse, 500 feet above the 
beach, at the extremity of Point Loma at the entrance to San 
Diego Bay. Now there are several flourishing towns along the 
way, the delight of summer and winter tourists, among whom 
not a few have been conchologists. 
Taking charge of Hotel Strand at La Jolla in July, 1918, I 
have since busied myself quite as much with the molluscan 
fauna of La Jolla as with the hotel business, with some inter- 
esting results. 
Mr. Maxwell Smith has contributed a list of La Jolla shells 
to THe Navritus (volume 21, pages 55 and 65), and Mr. 
Joshua L. Bailey, Jr., has contributed a supplementary list 
(on page 92). A few additional notes may be of interest. 
Haliotis fulgens.—In the spring of 1916 San Diego was visited 
with great floods, and a great amount of silt was washed into 
the ocean via San Diego and False Bay with the fresh water. 
This proved to be fatal to many mollusks, and I am told that 
many thousands of this shell were washed up along the shore 
from False Bay to La Jolla. One gentleman told me that 
a train of cars could have been filled with these shells which 
were piled a foot deep on the beach in many places. Another 
filled two sacks with the shells and nearly broke his back tug- 
ging them to the top of the cliff at what in early days we called 
Seal Rock, now named Bird Rock Beach. These he has finally 
placed at my disposal, and I found the two sacks full chiefly of 
this species. Haliotis cracherodii and H. rufescens were missing, 
as well as H. assimilis. Out of the lot I found six specimens of 
the following species and nine specimens of its variety. 
Haliotis corrugata.—These were not very strongly corrugated, 
but properly referable to the species. 
Haliotis corrugata diegoensis.—This form differs in the entire 
lack of the corrugations typical of the species, but otherwise 
