PROCEEDINGS OF THE NATIONAL MUSEUM. 199 



Ballenas Bay (one junior) and Cerros Island 2 fossil examples Alba- 

 tross. Common in the vicinity of San Diego and San Pedro, as well 

 as on Catalina Island. 



Family Teochid^. 



CHLOROSTOMA GALLINA, Forbes. 



Three examples. Tres Marias (No. 60040, U. S. K. M.). 



The above are young specimens, about one- third mature size. 



Also detected at Santa Margarita Island and Ballenas Bay, Albatross. 

 An abundant form on Catalina Island and elsewhere at more northerly 

 localities on the mainland. 



CHLOROSTOMA UALLINA, var. MULTIFILOSA, Stearns. 



One example, living. 



Gruadalupe Island (No, 125315, IT. S. N. M.). A fine large form;* 

 entire surface covered with close-set, rather coarse thread-like ridges, 

 that follow the whorls spirally. 



CHLOROSTOMA (OMFHALIUS) GLOBULUS, Carpenter. 



Abundant. Tres Marias ; Point Escondido ; St. Josef Island. 



Particularly numerous at the Tres Marias. Shell rather flattish when 

 young; transversely finely ribbed; middle portion of whorls somewhat 

 angulated and in some instances carinated, the ui)per edge of angle or 

 keel broken into roundish nodules. Umbilicus open, large, generally 

 stained with a bright green, otherwise color variable; in this latter 

 respect like Gibbula varians Phil., or OmpliaUus canalieulatus Lam., 

 from Europe. 



CHLOROSTOMA (OMPHALITIS) FtlSCESCENS, Pliilippi. 



Two examples. 



San Juanico. Common at Catalina Island and elsewhere along the 

 mainland to the north. 



The above is probably the liguUUum of Menke, a \'arietal asi)ect of 

 viridulum. 



CHLOROSTOMA (OMFHALIUS) AUREOTINCTUM, Forbes. 



Several S])ecimens. 



Santa Margarita Island and Ballenas Bay, J ?/>«Yro.s'.s'. Common on 

 Catalina Island. 



CALLIOSTOMA VERSICOLOR, Menke. 



Living specimens, 



'Described and figured in Vol. xvi, Proc. U. S. Nat. Mus., 1893, p. Sf)!. Prelimi- 

 nary descrijition in "The Nautilus,'" 1892. 



