roebe, | PROCEEDINGS OF THE NATIONAL MUSEUM. 193 
Family LIMID 2. 
Genus LIMA Brug. 
Lima orientalis (Adams?) Cpr. (L. dehiscens, Conr., of Cal. authors). 
Valves washed ashore in the spring. 
Family AVICULID A. 
Genus AVICULA Lamarck. 
Avicula peruviana Rve. 
One valve washed ashore on Rattlesnake Island and collected by 
Mrs. Opar. This is one of the shells from the southern fauna referred 
to in the introduction as possibly adventitious. 
Family PECTINIDA. 
Genus PECTEN Linné. 
P Pecten zequisulatus Cpr. 
At San Pedro and Alamitos. 
Pecten caurinus Gld. 
Single valves are not rare at Dead Man’s Island. All fossil? Two 
live examples found by Mrs. D. Garlick. 
Pecten latiauritus Conr. 
This shell has been labeled P. monotimeris Conr. by many collectors 
on this coast, but Mr. W. H. Dall, to whom I recently submitted a series 
of shells collected at Redondo Beach, San Pedro Bay and San Diego, 
pronounced them all P. latiauritus. Not plentiful. Fossil at Dead 
Man’s Island. 
Section JANIRA Schumacher. 
Pecten (Janira) floridus Hds. 
Several valves; all fossil? ‘ Evidently fossil and belonging in the 
recent state to the Lower Californian fauna.” (W.H.D.) <A living 
specimen referred by Carpenter to J. dentata and perhaps conspecitie 
was dredged by Dr. Cooper at Monterey. Living specimens of P. 
floridus have been obtained at San Pedro. (W. H. D.) 
Genus HINNITES Defrance. 
Hinnites eeantens Gray. 
Occasionally found living. 
Family OSTREID 4. 
Genus OSTREA Linné. 
Ostrea lurida Cpr. 
Plentiful in a small oyster bed near Timms Point, 
Ostrea lurida var. expansa Cpr. 
Three or four found at Catalina Island and the Bay. 
Proc. N. M. 92 13 
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