136 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



KEY TO THE NORTH AND MIDDLE AMERICAN FORMS OP PORZANA 



a. Wing over 90 mm. in length Porzana Carolina (p. 137) 



aa. Wing under 75 mm. in length. 



6. Interscapulars brownish with some black or brownish black, but the black 

 not the predominating color. 

 c. Smaller, wings 62-63.5 mm. 



d. Loral streak 2 mm. in width- Porzana flavi venter hendersoni (p. 147) 

 dd. Black loral streak 1 mm. in width. 



Porzana flavi venter woodi (p. 148) 



cc. Larger, wings 65-71.5 mm Porzana flaviventer g'ossii (p. 145) 



b&. Interscapulars black with little brownish wash or edgings. 

 c. Breast and sides of throat paler— pale warm buff. 



Porzana flaviventer bangsi (extralimital)" 



ce. Breast and sides of throat darker— warm buff to pale antimony yellow. 



Porzana flaviventer flaviventer (extralimital)" 



"Porzana flaviventer bangsi. — Porzana flaviventer Mngsi Darlington, Bull. 

 Mus. Comp. Zool., Ixxi, 1931, 372 (Cienaga, Magdalena, Colombia) ; Peters, Check- 

 list Birds of World, ii, 1934, 185. 



"Porzana flaviventer flaviventer (Boddaert). — Rallus flaviventer Boddaert, 

 Tabl. PI. Enl., 1783, 52 (Cayenne; based on Petit Rale de Cayenne Daubenton, 

 PI. Enl., ix, pi. 847). — Porzana flaviventer Schlegel, Mus. Pays-Bas, v, No. 30, livr. 

 7, 1865, 31 (Cayenne) ; Ihering, Rev. Mus. Paulista, vi, 1904, 342 (Paraguay) ; 

 Berlepsch, Nov. Zool., xv, 1908, 299 (Oyapoc, Cayenne) ; Dabbene, Orn. Argent., 

 1910, 196 (Tigre, Buenos Aires) ; Bol. Soc. Phys. Buenos Aires, i, 1913, 255 

 (Tigre) ; Bertoni, Fauna Parag., 1914, 37; Bangs and Penard, Bull. Mus. Comp. 

 Zool., Ixii, 1918, 41 (Paramaribo and Altonaweg, Surinam). — [Pomana] flavi- 

 venter Ihering (H. and R.), Aves Brazil, 1907, 30 (Minas Geraes ).—P[or2rana] 

 ■flaviventer flaviventer Bangs and Kennard, List Birds Jamaica, 1920, 6, in text 

 (South America; crit.). — Porzana flaviventer flaviventer Peters, Check-list Bird% 

 of World, ii, 1934, 185. — Porzana flavivcntris Sclater and Salvin, Proc. Zool. Soc. 

 London, 18G8, 455, part (South America references and localities) ; Pelzeln, Orn. 

 Bras., 1870, 459 (se. Brazil) ; Sharpe, Cat. Birds Brit. Mus., xxiii, 1894, 110, part 

 (Oyapoc River, Cayenne; Brazil); Chubb, Birds British Guiana, i, 1916, 73; 

 Cooke, U. S. Dept. Agr., Bull. 128, 1914, 31, part (geogr. range) ; Chapman, Bull. 

 Amer. Mus. Nat. Hist., xxxvi, 1917, 218 (Call, nw. Colombia; crit). — [Porzana] 

 flaviventris Sclater and Salvin, Nom. Av. Neotr., 1873, 140, part ; Berlepsch, Journ. 

 fiir Orn., 1887, 125 (Paraguay) ; Sharpe, Handlist, i, 1899, 102, part (Guiana; 

 Brazil) ; Brabourne and Chubb, Birds South America, i, 1912, 24 (Guiana). — 

 0[rtygometra] flaviventris Gray, Gen. Birds, iii, 1846, 593. — Ortygometra flavi- 

 ventris Hartlaub, Syst. Index Azara's Apunt., 1847, 24 (Paraguay). — [Aramides] 

 flaviventer Gray, Hand-list, iii, 1871, 61, No. 10443. — Haimlocrex flaviventris Ridg- 

 way, Smiths. Misc. Coll., Ixxii, No. 4, 1920, 3, part. — iRalhisI minutus Gmelin, 

 Syst. Nat, i, pt. 2, 1789, 719 (Cayenne ; based on Petit Rdle de Cayenne Buffon, 

 Ois., viii, 167; PI. Enl., pi. 847; Little Rail Latham, Synop. Birds, iii, pt. 1, 239).— 

 Rallus minutus Vieillot, Nouv. Diet. Hist. Nat., xxviii, 1819, 561. — Ortygometra 

 minuta Burmeister, Syst. Ueb. Thiere Bras., ii, 1856, 388. — Crex minuta Reichen- 

 bach, Handb., Fulicariae, 1851, pi. 322, fig. 2574. — Corethura minuta Lichtenstein, 

 Noni. Mus. Berol., 1854, 96. — [Erythra] minuta Bonaparte, Compt Rend., xliii, 

 1856, 600.— RaJlus supcrciliaris Vieillot, Nouv. Diet. Hist. Nat., xxviii, 1819, 565 

 (Paraguay; based on Ypacaha ceja hlanca Azara, Apunt. Hist. Nat. Paraxos 

 Paragiiay). 



