298 U.S. NATIONAL MUSEUM BULLETIN 287 



sirena, Glyphostoma 1919, PUSNM, vol. 56, no. 2288, p. 53, pi. 17, 



fig. 3 (USBF sta. 2813, Galapagos Islands; USNM 195004). 

 sUkana, Macoma 1900, PUSNM, vol. 23, no. 1210, pp. 307, 323, pi. 



4, figs. 6, 7 (Sitka harbor, Alaska; USNM 108656). 

 sitkana, Thais lamellosa 1915, PUSNM, vol. 49, no. 2124, p. 566 



(Sitka, Alaska). 

 sixta, Lora 1919, PUSNM, vol. 56, no. 2288, p. 49, pi. 16, fig. 12 (off 



San Diego, California; USNM 209235). 

 skenea, Limopsis 1921, USNMB 112, p. 16 [error for skenia]. 

 skenia, Limopsis 1916, CSWM, p. 14, u.u.; 1916, PUSNM, vol. 52, 



no. 2183, p. 402 (USFC sta. 4471, Bowers Bank, Bering Sea; 



USNM 205883) {see skenea]. 

 skidegntensis Dall and Bartsch, Odostomia (Evalea) 1913, BVMM 



1, p. 144, pi. 10, fig. 1 (Skidegate, Queen Charlotte Islands, 



British Columbia; CGSM; USNM 220116). 

 slevini Dall and Ochsner, Pecten 1928, PC AS, ser. 4, vol. 17, no. 4, 



p. 118, pi. 3, fig. 9; pi. 4, fig. 4 (Pliocene ?, E shore Indefatigable 



Island, Galapagos group; CAS 2944). 

 smegmatus, Pecten (Chlamys) 1926, N, vol. 40, no. 2, p. 67 



(Loochoo Islands [Japan] ; Thaanum colln. 9455). 

 smilia, Drillia 1915, USNMB 90, pp. 19, 43, pi. 12, fig. 21 (Tampa 



silex beds, Ballast Point, Tampa Bay, Florida; USNM 165037). 

 smirna, Acteocina 1919, PUSNM, vol. 56, no. 2295, p. 296 (San 



Diego, California; USNM 271492). 

 smirna, Cepolis (Plagioptycha) 1905, BI, p. 39, n.u.; 1905, SMC, 



vol. 47, pt. 4, no. 1566, p. 435, pi. 59, figs. 3-5 (Riding Point, 



Grand Bahama, Bahama Islands). 

 smirna, Leda 1898, TWFIS, vol. 3, pt. 4, p. 578. New name for Leda 



eborea Conrad, 1860, not Conrad, 1846. 

 smirna, Lima 1898, TWFIS, vol. 3, pt. 4, p. 766, pi. 30, fig. 3 



(Oligocene, Hillsborough Bay, near Tampa, Florida); 1905, 



Schuchert, Dall et al, USNMB 53, pt. 1, p. 354 (USNM 107800). 

 smirna, Plenrotoma (Drillia) 1881, BMCZ, vol. 9, no. 2, p. 66 (off 



Cape San Antonio [Cuba]); 1889, BMCZ, vol. 18, p. 94, pi. 11, 



fig. 7. 

 smirna, Tindaria 1908, BMCZ, vol. 43, no. 6, pp. 220, 389, pi. 17, 



figs. 6, 7 (ALBATROSS sta. 3360, Gulf of Panama; USNM 



122919). 

 smirnius, Chrysodomus 1919, PUSNM, vol. 56, no. 2295, p. 322 



(USFC sta. 3461, Fuca Straits [Juan de Fuca Strait, Washing- 

 ton] ; USNM 130418); 1925, PUSNM, vol. 66, art. 17, no. 2554, p. 



10, pi. 4, fig. 2. 

 smithii, Astarte 1886, BMCZ, vol. 12, no. 6, p. 259, pi. 7, figs. 5a-b 



(off Sombrero ; and others). 



