20. LIMNOENIS. 21. rSETJBOCOLAPTES. 77 



flanks and under tail-coverts pale brown ; under wing-coverts white ; 

 bill and feet horn-colour : whole length 7 inches, wing 3, tail 2. 

 Female similar. 



Bab. Uruguaj' and Argentina. 



II, b. Ad. St. Maldonado. C. Darwin [C.]. 



(Tj'pes of the species.) 



c. Ad. sk. Moute Video. H. Duruford [C.]. 



d, e. c? ad. sk. Conchitas, Buenos Ayres Sclater Coll. 



(Jltidson). 

 f. 2 ad. sk. ; a, Belgrano, Buenos Aj-res. H. Durnford [C.l. 



Ad. sk. 

 h. Ad. sk. Belgi'ano, Buenos Ayres. Alan Peel [C.]. 



i. S ad. sk. E,io Lujan, Buenos Ayres Salvin-Godman Coll. 



A;. Ad. sk. Vicinity of Buenos Ayres Salvin-Godnian Coll. 



{Hadeliusf). 



20. LIMNORNIS. 



Type. 

 Limuornis, Gould, Zool. Voij. ' Beadle,' iii. p. 80 (1841) . . L. rectirostns. 



The perfectly straight pointed bill renders this form at once 

 distinguishable from Limnophyes, in company with which it was 

 discovered by Darwin in the reed-beds of Uruguay. It has not yet 

 been met with elsewhere. 



1. Limnornis rectirostris. 



Limnoruis rectirostris, Gould, Zool. Voy. ' Beagle,'' iii. p. 80, t. xxvi. 



Head, all the upper surface, and wings reddish brown ; tail and 

 basal portion of the outer margins of the primaries and secondaries 

 reddish chestnut-brown ; stripe over the eye, throat, and all the 

 under surface white, tinged, especially on the flanks, with fawn- 

 colour ; bill orange at the base, the tip brown ; legs pale bluish ; 

 claws white ; tongue bristled on the sides, near the extremity it is 

 divided into little bristly points : whole length 7 inches, wing 2-8, 

 tail 3-1. 



Hah. Uruguay. 



a. Ad. St. Maldonado, Uruguay. C. Darwin [C.]. 



(Type of the species.) 



b. Ad. st, Maldonado, Uruguay. (Probably same origin). 



21. PSEUDOCOLAPTES. 



Type. 

 Pseudocolaptes, Reichenb. Handb. d. sp. Orn. p. 209 



(18.5.3) P. boissoneauti. 



Otipue, Cab. et Hein. 3Ius. Hein. ii. p. 30 (1859) .... P. boissoneauti. 



Pseudocolaptes has a strong straight beak, elongated ear-tufts, 

 long wings, and a long tail, with the stems of the rectrices rather 



