1 *& 393 Progne elegans.. cf ad. 107.5 T. General Roca Nov.24,1920 
Rio Negro 10:30 
" 5394 Progne elevens. d a< ^‘ 108.5 !± '* General noca Nov.24,1920 
■;)P ■’ _ Rio Negro 10:30 
^ 4420 iroglodytes rausculus Las Palmas, July 15,1920 
rex. o ad. 107.2 1'. Chaco. 9:30 
t • 
^ 4432 iroglodytes rausculus Las Palmas, July 16,1920 
rex (Not typical) ... $ ad. 108.2 i. Chaco. 9:15 
Plying 
Flying 
Active in 
brush 
Active in 
brush 
34 : 
34' 
^ 4446 'iroglodytes muscuius Las palmas, July 17,1920 Active in 
rex. $ ad. 108.7 i. Chaco. 9 : 30 bushes 
4494 iroglodytes muscuius 
rex . tf ad. 108.6 i. 
Las Palmas July 20,1920 Active in 
Chaco. 7:45 thicket 
34' 
•^4657 Iroglodytes rausculus Riacho Pilaga, Aug.7,1920 Active in 
rex (not typical).... o ad. 107.2 1. Formosa. 10:15 brush 
^4323 iroglodytes miisculus perazategui, June 29,1920 seeding in 
bonariae . $ im. 108.6 i. Buenos Aires. 9 ; 30 A.M. bushes 
5158 iroglodytes musculus 
Lavalle, 
oonariae. d ad, 107.8 i. Buenos Aires 
Oct. 23,1920 
3:15 
At rest 348 j 
* / 5869 iroglodytes rausculus Ban Vicente, Jan.29,1921 active in 
bonariae. d &d. 107.7 i. »wniti*i»' it. r n i~ Ti n 9:30 brush 34i 
— — - - - . * —- , * " ■** . 
5712 troglodytes musculus Victorica .uec.27,1920 Active in 
chilensis.o ad. 108.5 t. pampa 8:00 “brush 548 
\ ! ( 
5713 troglodytes muscultTs Victorica Lee. 27, 1920 .active in \ 
chilensis dad. 107.6 T• Pampa 8:15 brush 348 
—- r i 
5743 iroglodytes rausculus Victorica, ^ ec ;>fl iqpn , . 1 
. 8 as. 106.8 1 '. rMp£ ' Active in 
brush 
^ 5144 cistothorus platensis 
348 
, ^ .. Lavalle, Oct•23,1920 
platensis..•. • o ad. 106.5 t# Buenos Aires 3:30 
5145 Cistothorus platensis ^ Lavalle, Oct.23,1920 
platens is. o ad. 106.8 2 . Buenos Aires 4:00 
•^5146 cistothorus platensis Lavalle, Oct.23,1920 
platensis. 6 ad. 106.2 i. Buenos Aires 4;30 
^ 442f Mimus triurus . d ad. 108.0 i. 
At rest 
549 
At re st 34 9 
At rest 9 
✓ 
has Palmas, July 15,1920 
Chaco. 12:00 
At rest 
4592 Limus triurus . 5 
/4817 Limus triurus. $ 
ad. IO 0.8 I. Las Palmas, July 27,1920 
ClmC0 * 8 *00 At rest 
108.6 i. Riacho Pilaga Aug.18,1920 
Formosa 7; 45 A t rest 350 
10 
350 
4910 Limus triurus.o ad. 108.7 QJ. Puerto Finasco Sept.7,1920 
Paraguay. 10;45 
350 
At rest 
