COMPLETE GRAU : PECTINIDAE OF THE EASTERN PACIFIC 129 



Pecten (Dentipecten) subnodosus Sow. Morch, 1861, p. 210. San Jose 

 Nicoya Gulf, Costa Rica. 



Lyropecten inter?nedius Conrad, 1867, p. 7. "Cape St. Lucas, Cali- 

 fornia," Lower California, Mexico. 



Pecten subnodosus Gray. Stearns, 1891, p. 308. Manta, Ecuador. 



["Gray" a lapsus calami for Sowerby.] 

 [non] Pecten subnodosus Sby. Stearns, 1893, p. 372. "James Island 

 [Galapagos Islands]. The examples are from 1% to 2 inches high 

 and have twelve to fourteen ribs." [= Nodipecten magnificus 

 (Sowerby).] 



Lyropecten subnodosus (Sowerby). Verrill, 1897, p. 64. ". . . tropical 

 regions of the Pacific coast of America." 



Pecten (Nodipecten) subnodosus Sowerby. Dall, 1898, p. 710. [Pecten 

 intertnedius Conrad in synonymy.] "Pleistocene of Cerros [now 

 Cedros] Island and other points on the Lower California coast. 

 Living in the adjacent waters." — Dall, ibid., p. 729. ". . . on the 

 Pacific shores of middle America."— Arnold, 1906, p. 128, pi. 52, 

 fig. 1 ; pl. 53, figs. 1,1a. [Pecten intermedius Conrad in synonymy.] 

 Pliocene: Temescal Canyon, Santa Monica Mountains, Los An- 

 geles County, California. Pleistocene: San Pedro; Cerros Island, 

 etc. "Living: Coast of Lower California to Ecuador and the tropical 

 shores of South America (Carpenter)." 



Pecten subnodosus Sowerby. Dall, 1909, p. 256. Gulf of California to 

 Guayaquil and the Galapagos Islands. — Olsson, 1924, p. 127. 

 "Negritos, Mancora [Peru] ; Salinas [Ecuador]." 



Chlamys (Lyropecten) subnodosa Sowerby. Lamy, 1909, p. 212. "Basse 

 Californie." 



Chla?nys (Lyropecten) subnodosus (Sow.). Tomlin, 1928, p. 191. 



Pecten (Nodiopecten) [lapsus calami^ subnodosus Sowerby. Boone, 

 1928, p. 7. 



Pecten (Lyropecten) nodosus (Linnaeus) variety subnodosus Sowerby. 

 Grant & Gale, 1931, p. 180. Panama and West Colombia. 



Pecten (Lyropecten) nodosus (Linnaeus) variety intermedius (Conrad). 

 Grant & Gale, 1931, p. 181. "Scammons Lagoon, Lower Cali- 

 fornia, to the mainland of Mexico. Also reported south to Ecuador 

 (Jordan)." 



Pecten (Lyropecten) subnodosus Sowerby. Hertlein, 1935, p. 317, pl. 19, 

 fig. 15. [Lyropecten intermedius Conrad in synonymy.] "Scammon 

 Lagoon, Lower California, and the Gulf of California, to Guaya- 

 quil, Ecuador (Dall and others). Also Pliocene and Pleistocene 



