198 SHELLS OF LOWER CALIFORNIA— STEARNS. volxvii. 



(No. 60443, U. S. N. M.), Suiniclirast. Common in many ])laces, and 

 more highly colored than is usual with mesoieuea. 



Family P A T e l l 1 1) yi: . 



PATELLA MEXICAIS A, B r o d e r i p and S o w e r b y. 



One example at each place. Altata (No. 47189, IT. S. N. M.), Tres 

 Marias (No. 75002, U. S. N. M.). 



SuperfaiTiily RHIFIDOGrLOSS^^. 



Family 1' H A s i A n e l l i d ^ . 



PHASIANELLA PERFORATA, P h i 1 i p p i. 

 One specimen. Tres Marias (No. 55440, U. S. N. M.). 



Family TuREiNiD^j. 



TURBO (SENECTU8) SQUAMIGER, Reeve. 



Two specimens. Tres Marias (No. 59908, U. S. N. M.). 



The geographical range of the above extends southerly to Ecuador 

 and Peru, and it is said to occur at the Galapagos Islands. It is a rare 

 species. 



TURBO (CALLOPOMA) FLUCTUOSUS, Wood. 



=: T. fluctuatus, Reeve; -f- T. Moltkianns; = T. Fokkesi, Jonas; ;= T. assimilis, 

 KiENER, -j- T. tessellatm, Kiener; ? = T. depressus, Carpenter; ? ^= T. ftmi- 

 culosus, Kiener, Carpenter. 



Numerous young specimens. 



Tres Marias (No. 59905, U. S. N. M.), Point Escondido and St. Josef 

 Island. This species was collected by the Albatross naturalists at 

 Pichilinque Bay (beach), at Santa Margarita Island, where it was found 

 to be abundant, both the simple corded form as well as the strongly 

 sculptured and nodose variety ; also at Ballenas Bay. 



Dr. Jones collected the above species on the coasts of Ecuador and 

 Peru. 



ASTRALIUM (UVANILLA) INERMIS, Gmeliii. 



One example. 



Point San Quentin (No. 59910, U. S. N. M.). The most northerly 

 point at which this form has been detected. 



ASTRALITTM (UVANILLA) REGINA, Stearns. 



One specimen, living. 



Guadalupe Island (No. 135314, U. S. N. M.), Capt. George D. Porter. 

 A beautiful and characteristic species.* 



POMAULAX UND08US, Wood. 

 Not uncommon. 



* Preliminary description in "The Nautilus," 1892. Described and figured in the 

 Proc. U. S. Nat. Mus., Vol. xvi, 1893, p. 3.50. 



