236 On the Birds observed in the Grim Chaco. 



Fam. XXXVIII. Scolopacid.e, 



121. TOTANUS MELANOLEUCUS (Gm.). 



AY., Nov. 21. 



122. ACTITURUS BARTRAMIUS (WilsOn). 



W., Nov. 27. 



123. RHYNCHiBA SEMICOLLARIS (Vieill.). 



Lengua, Waikye askuk (= cow beast). 

 W., Jan. Frequent. 



Fam. XXXIX. L a r i d ;e. 



124. Rhynchops iNTERCEDENS Saundcrs. 

 Rhynchops melanura, Arg. Ornith. ii. p. 193. 

 Rhynchops intercedens Saund. B. M. C. B. xxv. p. 155. 

 W., Nov. 1896. 



One specimen was shot at Waikthlatingmayalwa. I had 

 never before met with this species in the Chaco. 



Fam. XL. Podicipedid^. 



125. PoDiLYMBus PODICEPS Linn. 



Shot by Mr. Pride several days' journey to the westward. 



Fam. XLI. T i n a m i d ^. 



126. Rhynchotus rufescens (Temm.). 



Between Caraya Vuelta and Riacho Verde, Oct. 25 ; W., 

 Dec. 25. 



Common in the open pahiiar about Waikthlatingmayalwa. 



Fam. XLII. R h e i d ^. 



127. Rhea AMERICANA (Linn.). 



A pair between Caraya Vuelta and Riacho Verde, Oct. 23. 



Near 1^ ., Oct. 29. 



Frequent in the Chaco about Waikthlatingmayalwa, but 

 very shy, as in other parts of the district, being much hunted 

 by the Indians. They use the skin of the body to make 

 large bags in which to store their wool for spinning. 



