192 Zoology. 



PL 126. Ballus troglodytes, Forst., Descr. Anim., p. 110 

 (1844 : New Zealand). 

 = Ocydromus australis (Sparrm.) ; cf. Sharpe, Cat. B., 

 xxiii., p. 64. 

 PI. 127. Ballus pacificus, pt. Forst., Descr. Anim., p. 177 

 (1884, Otaheitee). 

 = Hypotsenidia pliilippensis (Linn.) ; cf. Sharpe, Cat. B., 

 xxiii., p. 39. Namoka, ? , July 1, 1774. 

 PI. 128. Also named Ballus pacificus, but evidently a 

 distinct bird from the preceding one. It has a 

 red bill, and agrees with Forster's diagnosis of his 

 Ballus pacificus, so that it must be the type of the 

 species. 

 PL 129. Ballus caffer, Forst., Descr. Anim., p. 50 (1884: 

 Cape of Good Hope). 

 = Ballus cserulescens, Gm.; cf. Sharpe, Cat. B., xxiii., p. 25. 

 Latham's Blue-necked Rail (Gen. Syn., iii., pt. 1, p. 234) is 

 taken from the Drawings of Sir Joseph Banks, so that this 

 plate is the type on which the species was founded. 



PI. 130. Ballus minutus, Forst., Descr. Anim., p. 178 

 (1844 : Otaheitee and Tonga-Tabu). 

 Is Porzana tabuensis (Gm.) ; cf Sharpe, Cat. B., xxiii., 



p. 111. 

 "Tana, ?, 12th August, 1774." 

 Latham, speaking of a variety of his Tabuan Rail (Gen. 

 Syn., iii., pt. 1, p. 235), says :— " Inhabits the Island of Tanna. 

 Sir Joseph Banks" His remarks apply either to a specimen, or to 

 the drawing in the Banksian Library, probably the former, as 

 there are no colours given in Forster's Drawing, which is only 

 a pencil sketch (cf Wiglesworth, Av. Polyn., p. 61, 1891 ; 

 Sharpe, Cat. B., xxiii., p. Ill, note). 

 " Taheitee Maho." 

 PL 131. Ballus tannensis, Forster, Descr. Anim., p. 275 (1844). 

 "Tana, ?, 12th August, 1774." 



= Poliolimnas cinereus (V.) ; Sharpe, Cat. B., xxiii., p. 130. 

 PL 132. Ballus sethiops, Forst., Descr. Anim., p. 400 (1844 : 

 Cape of Good Hope). 

 = Limnocorax niger (Gm.) ; cf Sharpe, Cat. B., xxiii., 

 p. 150. April 24, 1775. 

 Latham's Black Rail (Gen. Syn., iii., pt. 1, p. 236) was founded 

 on a specimen in the British Museum, but he does not mention 

 the Banksian collections in connection with the species. 



