406 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Colymbus parvus Shufeldt. 



Colymbus parvus Shufeldt, Bull. Amer. Mus. Nat. Hist., XXXII, Art. 6, 

 July 9, 1913, 136, pi. XXXIX, figs. 474-477, 481-483. 



Pleistocene: Fossil Lake, Oregon. 



Genus AECHMOPHORUS Coues. 



Mchmophorus Coues, Proc. Acad. Nat. Sci. Phila., [XIV] 1862, No. 5, 

 April-May [Aug. 1], 229. Type, by orig. desig., Podiceps occidentalis 

 Lawrence. 



Aechmophorus occidentalis (Lawrence). Western Grebe. 



Podiceps occidentalis Lawrence, in Baird, Cassin, and Lawrence, Rep. 

 Expl. and Surv. R. R. Pac, IX, 1858, liv, 892, 894. 



Modern form reported from Pleistocene: Fossil Lake, Oregon; San Francisco 

 Bay region (Rodeo) and Upper San Pedro, near San Pedro, California. 



Aechmophorus lucasi Miller. 



Aechmophorus lucasi L. H. Miller, Univ. Calif. Publ., Bull. Dept. Geol., 

 VI, No. 4, Feb. 4, 1911, 83, figs. 1-3. 



Pleistocene: Fossil Lake, Oregon. 



Genus PODILYMBUS Le.s,son. 



Podilymbus Lesson, Traite d'Orn., Livr. 8, June 11, 1831, 595. Type, by 

 monotypy, Podiceps carolinensis Latham = Colyiubus podiceps Lin- 

 naeus. 



Podilymbus podiceps (Linnaeus). Pied-billed Grebe. 



Colymbus podiceps Linnaeus, Syst. Nat., ed. 10, I, 1758, 136. 



Modern form reported from Pleistocene: Seminole Field and Itchtucknee 

 River, Florida; Fossil Lake, Oregon; McKittrick, California. 



Podilymbus magnus Shufeldt. 



Podilymbus magnus Shufeldt, Bull. Amer. Mus. Nat. Hist., XXXII, Art. 

 6, July 9, 1913, 136, pi. XXXVIII, figs. 439-440, 449. 



Pleistocene: Fossil Lake, Oregon. 



