COMPLETE GRAU : PECTINIDAE OF THE EASTERN PACIFIC 111 



Pecten lati-auratus Conrad. Sowerby, 1842, p. 57, pi. 12, figs. 20, 21. 

 "P. Mesotimeris, Conrad, inclusus?" [Sowerby's description and 

 figures actually of P. Monotimeris Conrad; "Mesotimeris" a lapsus 

 calami for Monotimeris.^ 



Pecten tunica Philippi, 1844, p. 100, pi. 1, fig. 3. "Sandwich Islands." 

 In index: "tunica Ph. ist lateauratus \sic\ Jay." ["Jay" a lapsus 

 calami for Conrad; locality (now Hawaiian Islands) incorrect,] — 

 Paetel, 1890, p. 234. "tunicus Phi. ist latiauritus [sic] Conr." 

 [Paetel's misspelling of latiauratus followed by subsequent authors, 

 and first corrected by Grant & Gale, 1931.] 



Pecten Lati-auritus Lamarck. Chenu, 1845, pi. 31, figs. 10- 12b. 

 ["Lamarck" obviously erroneous; figures represent P. Monoti?neris 

 Conrad.] 



Pecten latiauritus Conrad. Reeve, 1852, sp. 5, pi. 1, fig. 5. [Reeve's 

 description and figure actually of P. Monotimeris Conrad.] 



Chlamys (Leptopecten) Monotifneris Conrad. Verrill, 1897, p. 69. 

 ". . . from the California coast." 



Pecten latiauritus van monotimeris Conrad. Dall, 1898, p. 709. "Pleisto- 

 cene of San Pedro Hill and San Diego at Coronado Beach. Also 

 living." 



Pecten latiauritus var. fucicolus Dall, 1898, p. 710. "With the last 

 [var. monotimeris], and living on fuci, south to Cape San Lucas 

 [Lower California]." 



Pecten (Chlamys) latiauritus Conrad var. monotimeris Conrad. Arnold, 

 1906, p. 131, pi. 46, figs. 4, 5, 5a. Living: Fort Point, San Fran- 

 cisco; Santa Barbara to San Diego. Pleistocene: Santa Barbara, 

 Ventura, San Pedro, Newport, San Diego. 



[?] Pecten (Chlafnys) latiauritus Conrad var. fragilis Arnold, 1903, 

 p. 112, pi. 12, fig. 8. Pleistocene: San Pedro. 



[non] Pecten fragilis Def ranee, 1825, p. 251. 



[non] Pecten fragilis Jeffreys, 1876, p. 424. [= P. biscayensis Locard, 

 1888, p. 272.] 



[non] Pecten fragilis Jeffreys 1879, p. 561, pi. 45, fig. 1. [= Hyalo- 

 pecten dilectus Verrill, 1897, p. 80.] 



[?] Pecten (Chlamys) latiauritus Conrad var. cerritensis Arnold, 1906, 

 p. 129, pi. 46, figs. 6, 7. "Pleistocene ... at San Pedro and San 

 Diego." New name for P. latiauritus fragilis Arnold, non P. fragilis 

 Jeffreys. 



Pecten (Chlamys) latiauritus monotimeris Conrad, Oldroyd, 1924a, p. 

 57, pi. 40, figs. 1, 2. Monterey, California, to the Gulf of Cali- 

 fornia [Under "Section" Leptopecten.] 



