322 U.S. NATIONAL MUSEUM BULLETIN 287 



Schuchert, Dall et al, USNMB 53, pt. 1, p. 113 (Tilly's Lake, 



Waccamaw River, South Carolina; USNM 112332). 

 tortilla, Bulimulus (Hyperaulax) 1915, USNMB 90, pp. 18, 27, pi. 



1, fig. 2 (Tampa silex beds, Ballast Point, Tampa Bay, Florida; 



USNM 165015). 

 tortugana, Liotia (Lippistes) 1927, PUSNM, vol. 70, art. 19, no. 



2668, p. 3 (off Tortugas and near Miami, Florida; USNM 



333708). 

 tortuganus, Bulimulus (JSaesiotus) 1893, N, vol. 7, no. 5, p. 54 (La 



Tortuga, S Albemarle [Galapagos Islands]). 

 totteni, Gemma purpurea in Schuchert, Dall et al, 1905, USNMB 53, 



pt. 1, p. 283 [is totteni Stimpson]. 

 townsendi, ISassa 1890, PUSNM, vol. 12, no. 773, p. 326, pi. 12, fig. 



9 (USFC sta. 2807, near Galapagos Islands). 

 townsendi, JSucula 1909, USGSPP 59, pp. 12, 101. New name for 



Nucula cuneiformis Conrad, 1848, not Sowerby, 1837. 

 toyuca, Streptostyla 1908, PUSNM, vol. 35, no. 1642, p. 179, pi. 29, 



fig. 6 (Metlal toyuca, Puebla, Mexico; USNM 107822). 

 tracheia, Tritonalia 1919, PUSNM, vol. 56, no. 2295, p. 335 (Sitka, 



Alaska; USNM 207084). 

 trachis Dall and Bartsch, Odostomia (ChrysalUda) 1909, USNMB 



68, p. 148, pi. 15, figs. 4, 4a (San Pedro, California; USNM 



168619). 

 Trachyodon 1892, TWFIS, vol. 3, pt. 2, p. 433. Type-species by 



original designation: Chiton 6'oce??ensis Conrad. 

 Trachyradsia 'Carpenter' Dall, 1878, PUSNM, vol. 1, no. 1, p. 1. 



Type-species by original designation: Chiton fulgetrum Reeve. 

 trachystum, Calliostoma 1927, PUSNM, vol. 70, art. 18, no. 2667, 



pp. 115, 128 (off Georgia; USNM 108419). 

 tractUy Macoma (Psammacoma) 1900, TWFIS, vol. 3, pt. 5, p. 



1053, pi. 47, fig. 13 (Oligocene, Shoal River, Walton County, 



Florida; Bowden, Jamaica); 1905, Schuchert, Dall et al, USNMB 



53, pt. 1, p. 382 (Bowden, Jamaica; USNM 135702). 

 Tractolira 1896, PUSNM, vol. 18, no. 1034, p. 12. Type-species by 



original designation: Tractolira sparta Dall. 

 transecta, Potamides (Lampanella) 1890, TWFIS, vol. 3, pt. 1, p. 



189, pi. 11, fig. 7 [name and figure] ; 1892, TWFIS, vol. 3, pt. 2, 



p. 287 (Miocene, Ballast Point, Tampa Bay, Florida); 1905, 



Schuchert, Dall et al, USNMB 53, pt. 1, p. 530 (USNM 112525); 



1915, USNMB 90, p. 91, pi. 14, fig. 3. 

 Transennella 1884, PUSNM, vol. 6, no. 384, p. 340. Type-species by 



monotypy: Cytherea (Transennella ?) conradina Dall. 

 transliratum^, Buccinum angulosum. 1919, PUSNM, vol. 56, no. 



2295, p. 328 (Point Belcher, Arctic Coast, Alaska; USNM 



221455). 



