
No. 429.] RELATION OF WIND TO BIRD MIGRATION. 
TABLE I! 
739 
LIST OF MIGRATORY FLIGHTS OF HAWKS WHICH HAVE OCCURRED IN 
SOUTHERN CONNECTICUT DURING 
METEOROLOGICAL RECORDS, 
THE YEARS 1885-95. 
BOSTON, MASS. 


















TEMPER- 
WIND ELO- ATORE 
DATE. WEATHER. | DIREC- AS CHANGE REMARKS. 
10 IN Past 
P ed 24 Hours 
Sept. 23, 85 | Rain N.W. are —7 | Moderate Highs: falco spar- 
verius commo 
Sept. 18, '86 |' Clear N.W.| 21 —8 ght of ll hawks and 
us am land birds. 
Sept. 22, '86 | Partly N.W.| 1o —2 sas aii abundant. 
cloudy 
Sept. 16, '87 | Clear N. 12 — 5 |A great flight all day. 
Sept. 17, '87 | Clear N.W. 8 —7 | Buteo saan abundant early 
in the morning. 
Sept. 24, 87 | Clear N. 14 re Baas latissimus abundant, also 
Accipiter velox. 
Oct. 19,'87 | Cloudy N. IO — 11 |No large flight, but omen all 
the migrant hawks observed. 
Sept. 10, '88 | Cloudy W. 9 —2 | Accipiter velox abundant. 
Sept. 22, '88 Cloudy N. 24 —3 | Moderate flight. 
Sept. 22, '89 | Clear W. 14 —8 
Sept. 28, '89 | Clear W. 14 — 5 | Very large flight. 
Oct. 15,'89 | Clear N. 19 +5 | Moderate flight ; Accipiter velox 
lentiful. 
Sept. 18, ’90 Cloudy W. 13 —2 |40 hawks killed; Buteo latissi- 
s abundant. 
Sept. 21, 'go | Clear N.W.| ta — 16 | Moderate flight. 
Sept. 25, ’90 | Clear W. 14 +2 |Pandion  halietus carolinensis 
abundant. 
Sept. 24,’90 | Clear |N.W.| 20 —8 | Small ga 
Sept. 8,'91 | Clear W. ÉI- —2 | Hawks increasing in numbers 
Sept. 9,'91 | Clear W. IO —5 Ade flight ; killed over 20 
Sept. 14, ’91 ear W. II 2 |Small flight. 
Oct. 21, ’92 Cloudy W. 9 —3 |Small flight of Accipiter velox. 
Sept. 20, ’93 ear W. 8 di ha od "Ww Buteo latissimus 
Sept. 21,'93 | Clear N.W.| 12 py sn flights of adult Buteo latis- 
simus 
Sept. 13, %95 | Cloudy | N. 14 | —10 | Large flight. 
Sept. 14, '95 | Clear N.W.I-n — 1I |Great flight of Buteo latissimus. 










1 The flights of hawks recorded in the above table were observed at New 
Haven, Conn., and the meteorological data given is that for Boston, from 1885 to 
1887 at 7 A.M., from 1888 to 1 
ogical conditions for Boston has been already explained. 
1895 at 8 A.M. The reason for giving the meteor- 
