xii University of California Publications. | ZOOLOGY 
H. P. Wood, Secretary. 
Julius Wangenheim, Treasurer. 
Wm. E. Ritter, Scientific Director. 
E. W. Seripps and Miss Ellen Seripps, members of the Board 
of Directors. 
B. M. Davis, Resident Naturalist, 1904-05. 
Manuel Cabral, Collector. 
The permanent members of the staff since 1901 have been 
Wm. E. Ritter, Ph.D., Professor of Zoology in the University: 
C. A. Kofoid, Ph.D., Associate Professor of Histology and Em- 
bryology; H. B. Torrey, Ph.D., Assistant Professor of Zoology. 
In addition the following, all connected in some capacity with 
the University, have been members for longer or shorter times 
on assignment to particular pieces of work, and for the most 
part on the pay roll: W. J. Raymond, B.S., Assistant Professor 
of Physics; F. W. Bancroft, Ph.D., Instructor in Physiology ; 
Alice Robertson, Ph.D., Assistant in Zoology ; C. O. Esterly, A.B., 
Assistant in Zoology; John F. Bovard, B.S., Assistant in Zool- 
ogy; Margaret Henderson, B.S.; H. M. Evans; L. H. Miller, 
M.S., Assistant in Zoology; Robert Williams, B.S.; and Effie J. 
Rigden. 
9.—Historical Note. 
Our work in this area did not begin with the San Diego 
Association, or even with San Diego as a base of operations. 
During six weeks of the summer of 1893 a party of teachers and 
students from the Department of Zoology of the University of 
Califoynia, housed in a tent laboratory at Avalon, Santa Catalina 
Island, made the first dip into these waters. Both the money and 
equipment for this piece of work were supplied by the Regents 
of the University. Another University party, with headquarters at 
San Pedro, put in several weeks of the summer of 1895. Nothing 
further of a formal character was attempted until 1891, though 
individual members of the department made repeated collecting 
trips to San Pedro throughout the intervening period. All this 
served to prove the great richness in marine life, the advanta- 
geousness as a collecting place, of the San Pedro district. When, 
consequently, it was resolved, in 1901, to make on effort on the 
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