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TERTIARY FAUNA OF FLORIDA "^ 



This was long confounded with A', glacialis, by which name Dawson cites 

 it and points out its pecuHarities, how its hinge differs from P. Gouldiana and 

 its nearest ally seems to be the P. pinna or obtusa of Europe. It is a much 

 smaller and relatively heavier species than the recent P. glacialis Leach, of 

 which, perhaps, it is the glacial precursor in the clays. 



Pandora (Clidiophora) Gouldiana Dall. 



Pandora trilineata Conrad, Am. Marine Conch., p. 49, pi. x., figs, i, 2, 1831 ; Greene, 

 Mass. Cat., 1833 : Gould, Inv. Mass., p. 44, 1841 ; Russell, Tr. Essex Inst., i., p. 54, 

 1839; Mighels, Best. Journ. Nat. Hist., iv., p. 314, 1843; De Kay, Nat. Hist. N. Y., 

 v., p. 237, pi. xxxiii., fig. 310, 1843; Stimpson, Shells of N. Engl., p. 23, 1851 ; Tryon, 

 Am. Mar. Conch., p. 136, pi. xviii., figs. 305-7, 1874; Binney's Gould's Inv. Mass., 

 p. 62, fig. 379, 1870; not of Say, 1822. 



Pandora Gouldiana Dall, Bull. Mus. Comp. Zool., xii., p. 312, 1886; Bull. U. S. Nat. 

 Mus. No. 37, p. 68, pi. lix., fig. 14, 1889. 



Pandora {Clidiophora) Gouldiana Dall, Proc. U. S. Nat. Mus., xxiv., p. 511, pi. xxxii., 

 fig. 7, 1902. 



Pleistocene of Maine, Mighels ; and of Massachusetts, Stimpson ; living 

 from Nova Scotia to Virginia in six to thirty fathoms. 



This species has been by all the New England writers, following Gould, 

 confused with the more delicate and slender species from the south named by 

 Say and figured in his " American Conchology." With the latter P. nasuta 

 Sowerby has been united, but perhaps without sufficient warrant ; with the 

 former an oriental species, P. depressa of Sowerby, also a doubtful proceed- 

 ing. The P. tabacea Meuschen is hardly determinable and may well be ignored. 



Pandora (Heteroclidus) punctata Conrad. 



Pandora punctata Conrad, Journ. Acad. Nat. Sci. Phila., vii., p. 228, pi. xvii., fig. i, 1837; 

 Gabb, Pal. Cal., ii., pp. 54, 90, pi. xv., fig. 12, 1869. 



Miocene of California (var. Gabbi Dall) near San Buenaventura, Gabb ; 

 living on the coast of California from Baulinas Bay to San Diego in moderate 

 depths of water. 



For the Miocene form, which wants the characteristic punctations of the 

 recent shell, I propose the varietal name of Gabbi. 



Another form referred to Pandora s. s. by Gabb, and named by him P. 

 scapha, is reported from the Miocene of California. From the Pliocene or 

 Pleistocene beds of Santa Barbara Conrad described in 1855 a Pandora bilirata. 

 The same species was named from the recent fauna by Carpenter in 1864 P. 



