Pee | PROCEEDINGS OF THE NATIONAL MUSEUM. 197 
Family ACMAIDA. 
Genus ACMZA Eschscholtz. 
Acmeza asmi Midd. 
A few at Point Vincent. 
Acmea insessa Hds. (Nacella incessa Hds. of some California authors). 
Dead examples occasionally found in good condition in San Pedro 
Bay, and at the Points. 
Acmea mitra Esch. 
Dead shells; very rare. 
Acmeea paleacea Gould. (Nacella paleacea, Gld., of some California authors). 
Found on kelp. 
Acmea patina Esch. 
Abundant on the rocks at San Pedro and Point Fermin. 
Acmea patina var. scutum Esch. 
Very few found with A. patina. 
Acmea pelta Esch. 
Very few found. 
Acmezea persona Esch. 
Not plentiful. 
Acmea scabra Nutt. 
With A. patina, but not so plentiful as the latter. 
Acmea spectrum Nutt. 
Plentiful; on the rocks. 
Genus LOTTIA Gray. 
Lottia gigantea Gray. 
Plentiful at Portuguese Bend. 
Family FISSURELLID®. 
Genus FISSURELLA Brug. 
Fissurella volcano Rve. 
Most plentiful at Portuguese Bend. 
Genus FISSURIDEA Swainson, 1840 (—Glyphis Carpenter, 1856, non 
Agassiz 1845). 
Fissuridea aspera Esch. 
Rare; not found living. 
Fissuridea murina (Cpr.) Dall. Proc. U.S. Nat. Mus., 1885, p. 543. 
Two found dead, one at Catalina. [This is the Glyphis densiclathrata 
of Californian conchologists, but not of Reeve; G. saturnalis of Pilsbry 
aaa 
> 
