102 U.S. NATIONAL MUSEUM BULLETIN 287 



delphicutn, Cardiiini (Trachycardiutn) 1900, TWFIS, vol. 3, pt. 5, 



p. 1084; 1903, TWFIS, vol. 3, pt. 6, pi. 48, fig. 18 (Oligocene, 



Ballast Point, Tampa and Oak Grove sands, Florida); 1905, 



Schuchert, Dall et al, USNMB 53, pt. 1, p. 129 (Ballast Point, 



Tampa, Florida; USNM 157525); 1915, USNMB 90, p. 142, pi. 



25, fig. 12 (Oak Grove, Florida; USNM 157526). 

 demiurgus, Conus 1896, PUSNM, vol. 18, no. 1035, p. 43 (Chipola 



beds, Florida; USNM 113920); 1903, TWFIS, vol. 3, pt. 6, p. 



1633, pi. 60, fig. 22. 

 demiurgus, Pecten (Plagioctenium) 1898, TWFIS, vol. 3, pt. 4, p. 



718, pi. 26, fig. 3. New name for Pecten comparilis Guppy, 1874, 



not Tuomey and Holmes, 1855. 

 denisoniana, Heterocardia 1898, TWFIS, vol. 3, pt. 4, p. 888. [error 



for de]iisoiii Adams] . 

 densa, Spisula (Hemimactra) 1898, TWFIS, vol. 3, pt. 4, p. 900, pi. 



27, fig. 22 (Oligocene, Oak Grove, Santa Rosa County, Florida); 



1905, Schuchert, Dall et al, USNMB 53, pt. 1, p. 620 (USNM 



135906). 

 densiclathratum, Epitoniiim 1917, PUSNM, vol. 53, no. 2217, p. 



478 (Puget Sound and Neeah Bay, Washington; USNM 111209). 

 densilineata, Agathotoma 1921, USNMB 112, p. 83. New name for 



Mangilia striosa [C.B. Adams, Arnold, 1903] }iot C. B. Adams, 



1852. 

 densilineata, Cumingia 1921, WAS, vol. 19, no. 3, p. 22 (Pliocene, 



San Quentin Bay, Lower California); 1925, PUSNM, vol. 66, art. 



17, no. 2554, p. 15, pi. 8, fig. 5; pi. 11, fig. 2 (USNM 333115). 

 densilineata, Lucinoma annulata 1916, CSWM, p. 27, n.n.; 1921, 



USNMB 112, p. 35 [see densilimta]. 

 densilirata, Lucinoma annulata 1919, PBSW, vol. 32, p. 249 (Sitka 



harbor, Alaska; USNM 108819). 

 densilirata, Vetulonia 1927, PUSNM, vol. 70, art. 18, no. 2667, pp. 



115, 120 (off Fernandina [Florida]; USNM 108116.) 

 densus, CrassatellUes 1900, TWFIS, vol. 3, pt. 5, p. 1195, pi. 39, figs. 



9-12 [name and figure]; 1903, TWFIS, vol. 3, pt. 6, p. 1472 



(Oligocene, Oak Grove on Yellow River, Santa Rosa County, 



Florida); 1905, Schuchert, Dall et al, USNMB 53, pt. 1, p. 175 



(USNM 107382). 

 denticulata, Modiolaria 1871, AJC, vol. 7, pt. 2, p. 154 (Acapulco, 



Mexico). 

 denticulata, Zetekia 1918, PUSNM, vol. 54, no. 2238, p. 320 



(Panama; USNM 274109); 1919, PUSNM, vol. 56, no. 2288, p. 73, 



pi. 1, fig. 1. 

 dentiferuni, Calliostonia (Dentistyla) asperriniuni 1889, BMCZ, vol. 



18, pp. 31, 373, pi. 23, figs. 7, 8 (BLAKE sta. 299, off Barbados;. 



