30 BULLETIN NO. 1, DIVISION OF ENTOMOLOGY. 
Table of exact experiments. 
Percentages. q After spraying. 
8 | 
a nD a) S) 
Date. a | 8 Kole = a | B Remarks. 
3 Par: 3 |S7| Date. eia| eu! 3 
aaiae:. Jadles 3/8 2 ene dae 
Sab ese eee ae | ee ean re BNE Seth Re oo 
ooo ai te |i eal sie Blea | | 8 | § 
-) a ® =) a ay | 1) efla| & B & 
4| A |e|Ria/ale AlX|/A lal x 
Aug. 16) 2|M.g.| 24 | 43 | 27) 0| 133 } Aug. 18|2]0j) 1) 140/ 1- 5] One part murvite to 
five parts water. 
16 | 3 |M.g.| 23 | 46] 26] 4 140 18|2;0j)| 41] 173 | 1-10 : 
16} 4|M.g.| 35 | 33} 29} 2 | 153 18|2;|0j| 6/] 181} 1- 20 
16 | 5|M.g.| 29 | 42 | 28] 1] 137 18|2)0/); 7] 145 | 1- 30 
Sept. 12| 8|]M.g.| 15 | 32| 31] 0} 161 | Sept. 14/ 2/0) 6 123 | 1-10 
12} 9|M.g.| 18 | 40! 33] 5 |} 129 14} 210] 2 | 170 | 1- 20 
12 | 10 | M.g.| 12 | 47} 36] 1 | 143 14|2/0/] 3} 162 | 1- 30 
12 | 11; M.g.| 12 | 41 | 43 | 1 147 14/2/0); 9] 180 | 1- 40 
12 | 12 | M.g.| 19 | 40 | 31] 6/ 136 14 | 2 | 0 | 23 | 132 | 1- 50 
12} 13 |M.g.| 11 | 51| 33] 3 | 171 | 14| 2] 0} 11 | 161 | 1- 60 
12 | 14 | M.g.| 10 | 41 | 39 | 2 | 134 | 14/2/0]| 7} 173; 1-70 
12 | 15 | M.g.| 10 | 41 | 18 | 27 | 161 14 | 2] 0 | 10 | 134 | 1- 80 
12 | 16 | M.g.| 20 | 50 | 27] 0 | 173 | 14 | 2] 0 | 32 | 150 | 1- 90 
12) 17 | Mee. | 21 153)| 278) 3) |) 152 14 | 2 | 0 | 27 | 163 | 1-100 
12) 18 | M.g.| 19 | 60 | 12 | 5 | 158 Ta |b=colapeasiacaoue Sat. solution sulphate 
| of iron. 
12 | 19 | M.g.| 24 | 43 | 28 | 2) 149 | Se hiiaaeal epee lomceeoe Sat. solution nitrate of 
| | potash. 
12 | 20 | M.g.| 25} 40 | 380 | 2 | 138 | 5M de heres ole eal ne Sat. solution bicarbon- 
| ate of ammonia. 
| 
* Larve dead ; no eggs hurt. 
t Some larve dead; no eggs hurt. 
{Some larve dead; no eggs hurt. 
OCTOBER 6. 
a 
~ 
isa Be 
Destroyed mae _ 
Numbers. by parasites. 2 = Remarks. 
gl 
oD 
ey 
INON21 ee a= Nearly all... 2 | These scales were taken in masses of about 100, and the scales con- 
INGOT 22h seats eifee CO pecan eae 3 taining eggs were counted. The mass consisted chiefly of broken, 
INjO}23 5... - seed O}.e2 ther 0 parasitized, empty scales; some young brood recently settled. 
INO 242522. SosG.O) ces fore 0 No accurate count could be made of any but scales with eggs. 
Now25 2 seatlseecsse 3 Some scales of P. pergandii were present. A large number of 
No. 26...... Sinie HO emisials 10 males had attained their perfect form. These trees were sprayed 
ENON27- 2.228 ue ScGOe eae se 12 with solution 1-40; weather cold. Examined October 24; labels 
WNI0:28 552<2\c0- 4 COE Sadecc 0 wete illegible; some eggs and larve living were found on all. 
