30 
BULLETIN NO. 1, DIVISION OF ENTOMOLOGY. 
Table of exact experiments. 
| Percentages. | é | After spraying. | | 
Hla 
es i Pee 8 
ea sees \z| 2 
H ee n ong { | = 3S 
Date. | be 5 4 eae ea | E ta Remarks. 
Uae Niet le pe etc maLE,) =o) Re | 
Sos & ‘es |g | SS ees z =| 
ja; a lela lala je | alata | a | ca | 
SFr oe as | ae eI ee ee ty | teal a rar al | | 5 ae SAS rae 
Aug 16 | 2 |M.g.| 24 | 43 | 27 | 0 133 Aug. 18 2) 0| 1) 140 | 1- 5 | One part murvite to 
[heer | | Vee ea a, five parts water. 
16| 3 |M.g | 23 | 46 | 26 4 | 140 | 18 210) 4| 173 1- 10 | 
16) 4 |M.g. 35 33 29 | 2 | 153 12 2/0 | 6 | 131 1- 20 | 
16} 5 |M.g-| 29 fos! 1 | 137 18! |(20)0" eee 145 1- 30 | 
Sept. 12| 8 Mg. 15/82) 81) 0) 161 | Sept. 14 2 OHS aay ty. 0 
12 9 | M. g.| 18 | 40 33 | .5 | 129 2 2 Talend 
12/10 |M.g.| 12] 47 |.36 | 1 | 143 | 14| 2} 0] 3 | 162 | 1- 30| 
12 | 11 |M.g.| 12 | 41) 43 |° 2} 147 14; 2|0] 9 | 180 | 1-40 | 
12 | 12 M. g.|19| 40/31 | 6| 136 14 | 2 | 0 | 28 | 182 | 1- 50 | 
12113 |M.g.| 11'| 51 | 33) 3] 171 | @ 14 | 2 | 0| 11) 161 | 1- 60 | 
12 14 M.g | 10 41139] 2] 184 14} 2) 0 7} 173 1- 70 | 
12 | 15 M. 8. | 10 | 41 | 18 | 27 | 161 14 | 2 | 0} 10 | 134 | 1- 80 
12) 16 ME 2.11920) 5091277) TO ars 14 | 2) 0 | 32 | 150 | 1- 90 | 
12 | 17 |M.g.| 21 | 53 | 27] 1) 152 14| 2 | 0 | 27 | 163 | 1-100 | 
12 | 18 |M.g.| 19 | 60 | 12] 5| 158 a amc! ces ase Sat. solution sulphate 
bem al | ie 1 of iron: 
12 | 19 |M.g.| 24 43 | 28| 2] 149 14 V2 eee ls Set | Sat. solution nitrate of 
| | | | potash. 
12'| 20 |M.g.; 25 | 40 | 30] 21 138 DE ee ea ee sees Sat. solution bicarbon- 
| » ate of ammonia. — 
| 
*Larve dead; no eggs hurt. 
tSome larve dead ; no eggs hurt. 
{Some larve dead ; no eggs hurt. 
OCTOBER 6. 
- 4 E on a 
D : a 
Numbers. | ieee eey ks =f Remarks. 
| | 
| & 
INO. 21S 1s | Nearly all -- 2 | These scales were taken in masses of about 100, and the scales con- 
INOS 22 Eas weal on QOv- ae cere 3 taining eggs were counted. Themass consisted chiefly of broken, 
INOS? Bierce oelles e600 cisicizinic 2 0 parasitized, empty scales; some young brood recently settled. 
INO524 ae steaiise Bau OlinScceen 0| Noaccurate count could be made of any but scales with eggs. 
ANS easel BAC Gener aee 3 Some scales of P. peryandii were present. A large number of 
INOS 26h case's dom asesce 10 males had attained their perfect form. These trees were sprayed 
NO. ies sceell: See (econ 12 with solution 1-40; weather cold. Examined October 24; labels 
IN(0:/28)..\<:<'<13 | Joe OOn 4-5 0 were illegible; some eggs and larve# living were found on all. 
a 
