of the Lower Pilcomayo. 145 



130. TiGRISOMA MARMORATUM. {Op.cit. ii. p. 104.) 



(No. 154, c?-) Fortin Page, July 25th, 1880. Frequent 

 wherever there is fresh water, keeping- mostly to the beds of 

 tall bulrushes, from which, when disturbed, it rises up utter- 

 ing a loud and hoarse " ha-ha-ha.^' Occasionally also found 

 on the riverside, generally perched on a branch overhanging 

 the water. 



-^131. MyCTERIA AMERICANA. (O/j. cit. ii. p. 106.) 



Seen on the Rio Pai^ana, Rio Paraguay, and Rio Pil- 

 comayo. 



132. EuxENURA MAGUARi. {Op.cU. ii. p. 106.) 

 Rare. 



133. Tantalus loculator. [Op. cit. ii. p. 108.) 

 Rare. 



134. Plegadis guarauna. (Op.cit. ii. p. 109.) 



(No. 190, ? .) Fortin Page. September 10th, 1890. 

 Occasional flocks of this Ibis were seen, bnt not frequently. 



135. Theristicus caudatus. (0/>. cit. ii. p. 110.) 

 (No. 213, c?.) Fortin Page. December 21st, 1890. 

 Frequent. Flocks were usually found feeding on land 



that had been recently burnt ; also frequently seen soaring. 

 On the Pilcomayo I observed it all the year through, one 

 large flock being seen exactly in the middle of the summer 

 (December 21st). 



136. Harpiprion c.^rulescens. [Op. cit. ii. p. 112.) 

 (No. 47.) Frequent in the neighbourhood of marshy 



ground. 



137. Phimosus infuscatus. {Op. cit. ii. p. 113.) 

 Obtained at Timbo, on the Paraguay, and also near the 



mouth of the Pilcomayo, and identified by the description in 

 ' Argentine Ornithology.' 



-f-138. Ajaja rosea. [Op. cit. ii. p. 114.) 

 Frequently met with. 



SER. VI. — vol. IV. L 



