136 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



KEY TO THE NORTH AND MIDDLE AMERICAN FORMS OF PORZANA 



o. 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 flaviventer hendersoni (p. 147) 

 dd. Black loral streak 1 mm. in width. 



Porzana flavlventer wood! (p. 148) 



CO. Larger, wings 65-71.5 mm Porzana flavlventer gossii (p. 145) 



66. Interscapulars black with little brownish wash or edgings, 

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



Porzana flavlventer bangsl (extralimital)" 



CO. Breast and sides of throat darker — warm bufC to pale antimony yellow. 



Porzana flavlventer flavlventer (extralimital)" 



"Porzana flavlventer bangsl. — Porzana flavlventer hangsi Darlington, Bull. 

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

 list Birds of World, ii, 1934, 185. 



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

 Tabl. PI. Enl., 1783, 52 (Cayenne; based on Petit Rdle 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). — [Porzanal flavi- 

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

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

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

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

 London, 1868, 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] 

 fiaviventris 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 S'outh America, i, 1912, 24 (Guiana). — 

 0[rtygometra'\ fiaviventris Gray, Gen. Birds, ill, 1846, 593. — Ortygometra fiavi- 

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

 flaviventer Gray, Hand-list, ill, 1871, 61, No. 10443. — Bapalocrex fiaviventris Ridg- 

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

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

 Ois., viii, 167; PI. Enl., pi. 847; lAttle 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., Pulicariae, 1851, pi. 322, fig. 2574. — Corethura minuta Lichtenstein, 

 Nom. Mus. Berol., 1854, 96. — [ErythraJ minuta Bonaparte, Compt. Rend., xliii, 

 1856, 600. — Rallus supercillaris Vieillot, Nouv. Diet. Hist. Nat., xxviii, 1819, 565 

 (Paraguay; based on Tpacaha ceja blanca Azara, Apunt. Hist. Nat PSraxos 

 Paraguay). 



