^ 5283 Btercorarius longicaudus ? 106.0 H. Lavalle, Nov *4 f 1920 
‘ • Buenos Aires 10:45 Flying ^*9,130 
j/5284 Btercorarius longicaudus ? 
/ 5Z'03 Stercorarius longicaudus 2 
"5304 Stercorarius longicaudus $ 
^5305 stercorarius longicaudus cf 
^ 5160 Larus dominicanus... o 
106.0 K. Lavalle, Nov.4,1920 
Buenos Aires 10;45 Flying 
19,130 
V 
5274 Larus dominicanus 
^ 5275 Larus dominicanus.,..* 6 
105.8 A. 
Lavalle, 
Buenos, Aires 
Nov. 7,1920 
9:00 
Flying 
129,130 
105.7 H. 
Lavalle, 
Buenos Aires 
Nov. 7,1920 
9:00 
Flying- 
129,130 
105.8 K. 
Lavalle, 
Buenos ^ires 
Nov.7,1920 
-9:15 
Flying 
129,130 
105.0 R. 
Lavalle, 
Buenos Aires 
Oct .25,1920 
1:45 
Flying 
131 
107.0 R 
• Lava lie, 
Nov. 3,1920 
Buenos Aires 4*30 
Flying 
131 
106.4 R 
. Lavalle, 
Nov. 3,1920 
Buenos A ires 4s45 Flying 131 
^52 71 Larus maculipenni s.$ 
^ 5272 Larus maculipennis.... .2 
106.0 
it. 
Lavalle, 
Oct.29,1920 
\ 
Buenos Aires 
11:15 
Flying 
133 
\ 
106.0 
n. 
Lavalle, 
Nov. 3,1920 
\ 
Buenos .iires 
4:15 
Flying 
133 
107.0 
it. 
Lavalle, 
Nov. 3,1920 
Buenos Aires 
4:15 
Flying 
133 
1/5246 Larus cirrocephalus... 2 106.0 ±i. Lavalle, Nov. 1,1920 \ 
Buenos jiires 3s30 Flying 135 
l// 5339 Larus cirrocephalus.... c ad. 106.5 K. Lavalle, Nov. 10,1920 
Buenos Aires ljOO P.M. Flying 135 
y 5141 ° term trudeaui . 5 ad. 106.5 K. Dolores Oct.21,1920 
- _ Buenos Aires 9:30 flying 137 
5278 sterna hirunainacea.... $ d lfifi no r /- 
c # # u H. Lavalle, Nov. 4,1920 
^uenos Aires 10j30 I'lying 158 
^279 Bterna liirundinacea. •• » d 106 4 n t it 
xub.A-ii. Lavalle, Nov. 4,1920 
Buenos Aires 10*50 Flying 13j8 
« 
^51^-8 sterna superciliaris,. o tor p m -r- . . . 
8, ‘. u acu 1Ub °2 T. Puerto Pinasco Lept.30,1920 
| „ Paraguay 2:15 P.M. Flying 139 
- - y 
kS 902 Sterna superciliaris.. 5 im. 105.8 R. San Vicente, Jan.31,1921 / 
Wiocha 2:45 Flying 139 
