336 CALIFORNIA ACADEMY OF SCIENCES. 



Several specimens of this species were found in the lower San Pedro series of 

 San Pedro. They were in a perfect state of preservation, and if they had been 

 found on the beach woald, no doubt, have been called "dead shells." It is possible 

 that some of the shells reported as "dead on beach" have been washed down from 

 the fossil beds, and have been listed as living. 



Found in the upper San Pedro series of San Pedro, and the lower San Pedro 

 series of Deadman Island; rare. 



Living. — San Pedro (Williamson). 



Pleistocene. — San Pedro (Arnold). 



Superfamily ZYGOBRANCHIA. 



Family LXXXVI. HALIOTID^. 



Genus Haliotis Linne. 



Shell ear-shaped, with a small flat spire; aperture very wide, iridescent; exterior striated, 

 dull; outer angle perforated by a series of holes, those of the spire progressively closed. 



Haliotis gigantea Chemn. is a characteristic species. 



393. Haliotis fulgens Philippi. 



Haliotis fulgens Phil., Zeitschr. i. Mai., p. 150, 1845; Abbild. und Beschreib. , p. 11, Pis. VII and 



VIII, fig. I, 1847. Cpr., Brit. Assn. Rept., 1863, p. 574. Tryon, Man. Conch., Vol. 



XII, p. 81, PL XII, figs. 61, 62, 1890. Williamson, Proc. U. S. Nat. Mus., Vol. 



XV, 1892, p. 198. 

 Haliotis splendens RvE., Icon. Conch., PI. Ill, fig. 9. Keep, West Coast Shells, p. 90, fig. 76, 



1892. Weinkauff, Conch. Cab., p. 24, Pis. VII and VIII. 



Shell large, flat, oval; spire very slightly raised near margin of shell; surface spirally 

 grooved, the grooves appearing as ridges on the interior; holes four to seven, elevated margins; 

 interior highly colored; outer layer of shell brownish red. 



Dimensions. — Long. 112 mm.; lat. 88 mm.; depth 21 mm. 



Distingui.shed from H. rufescens and H. cracheroidii by grooved surface and 

 coloi's of interior. 



This specimen, which was found in the conglomerate of the upper San Pedro 

 series of Deadman Island, is probably the first authentic record of an Haliotis from 

 the Pleistocene of California. It was a perfect specimen when found, but in remov- 

 ing it from the matrix it was unfortunately broken into several fragments. A small 

 but perfect specimen of this species was found in the Pleistocene (upper San Pedro 

 series) at Spanish Bight, San Diego. 



Dr. Cooper lias reported H. cracheroidii and H. rufescens from the Pleistocene 

 of San Pedro, but upon examination of the fossils (?) upon which he based his report, 

 which arc now in the State Museum Collection at the University of California, tlicy 



