North Middleboro ' , Hass. 
1897. 
11 1897, Apr.10. Two eggs, incomplete . White pine, 40 ft., 
near Owl of Mar. 9. 
!I " 16. Pour eggs, incubated. White pine, 40 ft., 
near Owl robbed Apr. 3. 
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" 20. Three eggs, incubated. White pine, 45 ft. 
" 21. Pour eggs, fresh. White pine, 38 ft. 
" 30. Three eggs, fresh. White pine, 40 ft. After' 
wards, May 31, found one egg, evidently last 
of set, in same nest, about to hatch, showing 
that period of incubation is at least 4 weeks 
not three, as often stated. 
May 7. Three eggs, incubated. White pine , 45 ft. 
" 8. Two eggs, fresh, prob. second laying. White 
pine, 45 ft. 
" " Three young, one egg. White pine, 40 ft. 
" 10. Three eggs, incubated. White pine, 60 ft. or 
more . 
" 13. Three eggs, fresh, second set of pair robbed 
Apr. 16. White pine, 48 ft." 
Extract from letter from H.K.Job, July 22, 1897, 
North Middleboro 1 , Mass. 
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