34 



BULLETIN 252, U. S. DEPARTMENT OF AGRICULTURE. 



Table XXVIII. 



No. of 



obserya- 



tion. 



Num- 

 ber of 

 eggs. 



Date- 



Appearance of — 



Incuba- 

 tion 

 period. 



Num- 

 ber 

 dead. 



Depos- 

 ited. 



Red 

 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 

 3S 

 39 

 40 

 41 

 42 

 43 

 44 

 45 

 46 

 47 

 48 

 49 

 50 

 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 

 od 

 60 

 61 

 62 

 63 

 64 

 65 



Avei 



Max 

 Mini 



4 



3 

 15 



4 



2 

 43 



7 

 18 



2 



6 



2 

 92 

 22 

 29 

 12 

 132 

 84 

 19 



9 



115 



27 



102 



20 



110 



160 



21 



101 



17 



106 



12 



70 



60 



142 



27 



1«7 



52 



42 



90 



17 



12 



63 



28 



33 



9 

 38 

 17 

 16 



6 

 57 



9 



106 



70 



13 



16 



1 

 15 



7 



16 

 12 

 89 

 23 



9 

 18 



5 



1 



•age 



mum 



mum 



June 24 



June 25 

 ...do.... 



June 27 

 June 28 



July 4 

 ...do.... 



July 6 

 July 7 

 July 8 



...do 



...do 



July 10 

 July 11 

 July 10 

 July 11 

 July 12 

 July 13 



...do 



July 14 



...do 



July 15 



...do 



July 16 



...do 



July 17 



...do 



July 18 

 July 17 

 July 18 



...do 



July 19 



" July 20 



Days. 

 3 

 3 



Days. 



10 

 9 



Days. 

 12 

 12 

 13 

 12 

 11 

 9 

 10 



I 



8 



8 

 9 

 8 

 9 



8 

 7 

 8 

 7 

 S 

 6 



6 



8 



S 

 I 



1 



8 



I 



8 

 9 

 8 

 9 

 8 

 9 

 9 



10 

 9 



10 

 9 



10 

 8 

 9 

 9 



10 

 9 



10 

 9 



10 

 9 



10 

 8 

 9 

 9 

 8 

 8 

 8 

 7 



1 



1 



June 26 

 June 27 

 July 1 

 ...do 



June 30 

 July 2 

 July 4 



July 5 

 July 7 

 July S 



4 

 5 

 3 



10 









July 3 

 ...do 



July 5 



July 9 



2 



G 







July 4 

 ...do 



July 6 



July 11 



9 



:. 



' 







July 5 

 ...do 



July 7 



July 12 



2 



7 





7 



July 6 

 ...do 



July 8 



July 13 







2 



7 





July 8 July 11 

 ...do 



July 14 



..... 



6 





5 



July 9 July 12 

 ...do 



July 15 



3 



6 





July 10 j July 13 

 ...do 1 



July 16 



- 3 



6 





4 



July 11 July 13 

 ...do 



July 16 



2 



5 





July 12 . July 14 

 ...do ". 



July 17 



2 



5 







...do ' 









July 13 1 July 15 



...do ........ . 



July 18 ...do 



2 



5 







July 21 



---do 



July 22 



2 



July 14 i July 16 

 ...do.... ... ... 



July 20 



2 



6 





July 15 1 July 17 

 ...do ! 



July 21 



...do 



July 23 



...do 



July 24 



...do 



July 25 

 July 26 

 July 27 



2 



6 







July 16 : July 18 

 ...do ..-.:. 



July 17 i July 20 

 ...do 1 



July 22 



'July "23" 



2 



6 





7 



3 



6 



8 ! 



July 18 i July 21 

 ...do 



July 24 



3 



6 



3 



July 19 i July 22 

 ...do i . 



July 25 



...do 



July 2S 



...do 



July 29 



July 30 



July 31 



do 



3 



6 





July 20 I July 23 

 ...do ' 



July 26 



3 



6 







July 21 1 July 24 



...do ! :.... 



July 2s 



3 



3' 



3" 



3' 



7 







July 22 j July 25 



July 2a 





...do i 1 .1 An?. 1 





July 23 1 July 26 

 ...do 1 



July 24 j July 27 

 ...do 



July 30 

 ' juiy"3i" 



...do 



Aug. 2 

 ...do 



Aug. 3 

 ...do 



Aug. 4 

 ...do 



Aug. 5 

 ...do 



Aug. 6 

 ...do 



Aug. 7 

 ...do 



Aug. 8 



Aug. 9 

 ...do 



Aug. 10 



Aug. 11 



Alicr. V> 











July 25 | July 28 

 ...do 



Aug. 1 



3 



7 







July 26 July 29 

 ...do 



Aug. 3 



3 



S 







July 27 July 30 

 ...do ! 



Aug. 3 



3 



7 







July 2S July 31 



Aug. 4 



3 



7 





...do 







July 30 



...do 



July 31 

 Aug. 1 

 Aug. 2 

 Aug. 3 

 Aug. 5 



Aug. 3 



~Aug!~4~ 



...do.. 



Aug. 6 



Aug. 7 

 An?. S 







4 



7 





1 



4 

 3 



1 



7 



7 

 7 

 6 

 6 





Aug. 5 ' Aug. 9 

 Aug. 6 ...do.... 

 An?. S ! Ausr. 11 













2.599 

 5 



2 



6.139 

 10 

 5 



7.797 

 6 



39 

 









1 



FIRST BROOD OF LARVAE. 



Time of hatching. — The first-brood laxTse commenced to hatch 

 July 6. The last of the larvae hatched August 12. Hatching, there- 

 fore, extended for a period of slightly over one month. The maxi- 

 mum number of larvae hatched Julv 24. (See Table XXVIII.) 



