24 BULLETIX 252, U. S. DEPARTMENT OF AGBICULTTJBE. 



Table XX. — Length of incubation of second brood of eggs. TTinthrop. Me.. 19 U 



No. of 



obser- 

 vation. 



Number 

 of eggs. 



Date— 



Appearance of— 



Laeu- 

 bation 

 period. 



Num- 

 ber 



dead. 



Depos- : Red 

 ited. ring. 



Black 

 spot. 



Hatched. 



Red 

 ring. 



Black 

 spot. 



1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 

 32 

 33 

 34 

 35 

 36 

 37 

 38 

 39 

 40 

 41 

 42 

 43 

 44 

 45 

 46 

 47 

 48 

 49 

 50 

 51 

 52 

 53 

 54 

 55 

 - 56 

 57 

 58 

 59 



A 



Si 



10 



28 



10 



15 



48 



17 



31 



10 



7 



2 



5 



86 



3 



26 



8 



1 



3 



16 

 16 

 42 

 36 

 9 



Aug. 15 j Aug. 16 

 Aug. 16 Aug. 17 

 ...do ' 



Aug. 21 

 Aug. 22 



Aug. 23 

 Aug. 24 

 Aug. 25 



...do 



Aug. 26 

 Aug. 27 

 Aug. 28 

 Aug. 29 



...do 



Aug. 30 

 Sept. 1 



-Sept!* "2 



...do 



Sept. 3 

 Sept. 2 

 Sept. 3 



...do 



...do 



Sept. 4 



...do 



Sept. 5 



Days. 

 1 

 1 



Days. 

 6 



6 



Days. 



8 

 8 

 9 

 8 

 9 

 9 



10 

 11 

 10 



11 



10 

 9 



10 

 9 



10 



8 



8 



8 

 7 

 8 



2 

 ........ 



2" 



i" 



5 

 i"" 



Aug. 17 J Aug. 19 

 ...do ' 



Aug. 18 j Aug. 20 



...do ' 



...do 



Aug. 19 i Aug. 22 

 ...do ! 



Aug. 22 Aug. 25 



Aug. 23 



...do 1 



Aug. 24 

 Aug! 25* 



"Aug! "26" 



Aug. 30 

 ...do 



2 



7 



2 



7 







3 



7 



3 

 2 



8 

 7 



Aug. 24 | Aug. 27 

 ...do 



Sept. 1 



3 



8 



Aug. 25 



...do 



Aug. 26 

 Aug. 27 

 ...do 



Aug. 28 



"Aug! "29" 

 Aug. 31 



Sept. 1 



Sept. "i" 

 Sept. 2 



3 



7 



3 



4 



6 

 6 



Aug. 28 

 ...do 



Aug. 31 



Sept. 3 



3 



6 





5 



28 



4 



61 

 9 



22 



30 



15 



12 



31 



15 



11 



109 



16 



1 



4 



24 

 2 



48 

 16 

 5 

 6 

 2 

 27 

 3 

 32 

 7 

 8 

 2 

 4 

 1 

 8 

 4 

 4 

 2 

 6 



Aug. 30 

 ...do 



Sept. 2 



Sept; 4 



Sept. 6 

 Sept. 7 

 Sept. 8 



...do 



Sept. 9 

 Sept. 10 



...do 



Sept, 11 

 Sept. 12 

 Sept. 14 

 Sept. 15 

 Sept. 16 

 Sept. 18 

 Sept. 19 

 Sept. 20 

 Sept. 21 



...do 



Sept. 22 



...do 



Sept, 23 

 Sept. 24 



Sept. 25 

 Sept. 26 

 Sept. 27 

 Sept. 29 

 Sept. 30 

 Oct. 2 

 Oct. 3 



...do 



Oct. 4 



3 



5 



8 

 9 

 8 

 9 



10 

 9 



10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 



11 



17 

 18 

 19 

 IS 

 19 

 19 

 20 

 21 

 22 

 22 

 23 

 21 

 22 

 19 

 16 

 17 

 18 

 20 







!!!!!!!! 







...... 



!!!!!!!! 



:::::::: 



2 



3" 







!!!!!"!! 



!!!!!!!! 



. .do 









Aug. 31 

 ...do 



Sept. 3 



Sept. 6 

 "Sept." 8 " 



3 



6 



...do ! 



Sept. 1 | Sept. 3 

 ...do l! 





2 



7 



---do ; 



Sept. 2 1 Sept. 4 



'.".do'.Y." !!!!!!!! 



Sept. ib : 







2 



8 







Sept. 3 



Sept. 6 



Sept. 15 



3 



12 



...do 



...do 



Sept, 4 



Sept. 7 



Sept." 17' 











3 







13 



Sept. 5 

 ...do 



Sept. 8 



Sept. 18 



3 



13 



...do 





p" 



Sept. 6 



...do 



Sept. 7 



Sept. 10 

 ' Sept." 12" 



Sept. 22 

 Sept." 23' 



4 



16 



5 



16 



Sept. 8 



Sept, 13 



Sept. 26 



5 



18 



Sept. 10 i Sept. 17 



' Sept. "12T Sept." is 



'BeptYlK *Sep"t'."20 

 Sept. 22 Sept. 26 

 ...do 



Sept. 28 

 Sept." 29 



7 



18 



6 



17 



Sept. 30 

 Oct. 6 



...do 



Oct. 8 

 Oct. 9 



5 



4 



15 

 14 



...do | Oct. 10 



Sept. 25 Oct. 1 ; Oct. 10 , Oct. 15 







6 



15 



2.884 

 1 



9.069 

 18 

 5 



11.862 

 23 



7 



.... J1 J 



:aximum . 









