ECONOMIC RELATIONS OF OUR BIRDS. 
447 
Table of Observations on the Abundance of Birds. 
Number Observed. 
Name. 
I. 
II. 
III. 
IV. 
V. 
VI. 
VII. 
vni. 
Turdus migratorius. 
11 
3 
20 
13 
31 
44 
Turdus fiiscescens .... 
2 
2 
4 
Miinus carolinensl.s . 
2 
8 
3 
2 
12 
25 
7 
Sialia sialis . 
1 
2 
2 
8 
5 
17 
Parua atricapilliia . 
9 
Sitta carolinensia. 
3 
2 
i 
o 
3 
Troglodytes sedon. 
1 
5 
Kremophila alpestn'a . 
3 
(,'istothoriia sfellaria 
1 
DendrcHca restiva. 
1 
2 
5 
5 
(rf^olhlypis friolma 
1 
3 
Setophaga riit.icilla 
2 
15 
5 
2 
Pvranga nihra 
1 
3 
TTinindn f^ryt.hrnp'flRtrji. bnrrpnriini 
5 
5 
12 
7 
20 
Taohypinptu hipnfor 
2 
Petrochelidon lunifrons. 
2 
12 
10 
56 
Cotvle riparia. .... 
13 
Progne siihis 
2 
1 
Ampelis cedrorum. 
8 
4 
7 
12 
4 
Vireo olivaeeiis . . 
1 
13 
13 
1 
Vireo gilvus. 
1 
3 
Vireo tfavifroTia .... . 
10 
4 
Tj?i,nii7S liiflovirrifl.nniis fivoiihitproidps 
1 
Astragalinhs tristis. 
9 
27 
5 
4 
0 
28 
32 
44 
Pocecetes gramineus. 
5 
10 
10 
19 
1.8 
Melospiza t’asciata. 
6 
5 
8 
17 
7 
m 
23 
73 
Melospiza palustris. 
1 
Spizella domestica. 
3 
1 
1 
r* 
33 
17 
36 
Spizella agrestis (shot). 
2 
Passerina cyanea. 
5 
2 
3 
3 
Pipilo erythrophthalmus. 
3 
3 
Dolichonyx oryzivorus. 
18 
3 
5 
22 
52 
Molothrus ater. 
2 
10 
Agelaeus phoeniceus. 
1 
12 
10 
12 
Stm’nella magna. 
1 
2 
2 
8 
5 
11 
Icterus galbula. 
rf 
11 
5 
3 
Quiscaliis purpureus_ *. . 
2 
Oorvus frugiverous.. 
1 
2 
3 
10 
8 
28 
Cyanocitta crista tus. 
1 
Tyrannus carolinensis. 
8 
10 
4 
4 
8 
Sayomis fusca. 
2 
4 
2 
22 
11 
Co'ntopus Virens. 
3 
20 
15 
4 
4 
Empidonax minimus. 
1 
Chsetura pelasgica. 
4 
3 
13 
12 
Trochilus colubris. 
1 
5 
1 
1 
1 
1 
Ceryle alcyon. 
2 
7 
Coccyzus erythrophthalmus. 
2 
1 
Picus villosus. 
2 
1 
Pdcus pubescens. 
1 
fiphyrapicus varius. 
1 
2 
4 
Melanerpes erytlirocephalus. 
4 
2 
3 
3 
Colaptes aurates. 
7 
c 
2 
2 
1 
Circus cyaneus hudsonicus. 
5 
Falco sp'arverius. 
1 
Hawk. 
2 
2 
Zenaidura carolinensis. 
5 
4 
1 
Bonasa umbella. 
10 
.^gialitis vociferus. 
17 
2 
Tringoides macularius . 
1 
11 
4 
3 
Bartramia longicauda. 
2 
Ardea herodias. 
2 
Butoi ides verescens. 
2 
3 
Rallus virginianus. 
1 
1 
1 
Podilyrabus podicips. 
1 
Birds"seen or heard, but not named. 
20 
3(5 
18 
15 
20 
69 
• 
ItX) 
101 
Total number of birds observed ... 
137 
141 
112 
95 
127 
282 
405 
016 
Number of miles traveled . 
4 
5 
3 
3 
2^ 
5 
r* 
t 
11 
Average number of birds per mile . 
31 
28 
37 
32 
50 
56 
58 
5') 
Total number of species . 
3.5 
27 
18 
17 
23 
22 
30 
32 
Total average per mile in Jefferson county is about :33. 
Total average per mile in the vicinity of Ithaca, New York, is nearly 57. 
