354 TREUBIA VOL. Il, 2—4. 
Salinity Mosquito-net catches and 
of the Number of Anopheline 99 per 
Date pond- 10 M? and per night ous of 22 Le of 22 
wa Myzomyia Myzomyia Myzomyia Myzomyia 
| S /oo ludlowi Theobald .rossii Giles ludlowi Theobald rossii Giles 
average average total total 
11 XII ’18| 44.6 0 70 0 117 
oa el Ags | 0 20 0 56 
0:15 50 : 1= 
LOSS AI 0 0 56 56 — — — — 
OI ta 
7 xl 18 OG |) 0 OF mo! da 0 | 60 PTSS 
OENE 59 : 1— 
6 XII ’18| 84,6 0 0 59 59 0 0 146 | 146 
Ponds near (Muara) Pegantungan. 
average average total total 
EN ee PIS = 
DIA 7.9 120 1 25 25 6 6 | 86 86 
5 VII ’19| 10.5 an, 14 34 73 
A a ONG 4 22.5 54 66 
NON 20 | 2e 55 64 8 2 
12 os ARTE OI 210 22.5 31 71 
22 WANG ed ED 0 5 a = 
PO NEN PSL 0 12.5 a A 
OV SLD thes 40 25 28 
gn oe LS ADE 80 49 25 
6 ” ” 14.7 9 1370.5:20= 26 94:20 = == ; 
Ten EE 14.8 25 19 35 26 21 337 oil 587 
DO NN op 14.0 0 1.5 4 13 
(OE Wi | HEEE IL 64 12 40 
As Se 16.8 47.5 52.5 25 12 
ey NO 9 2 = 
OP IV | teas 0 14 2 23 
16 NER hae 0 2.5 1 18 
ILES 3 18.2 0 6 3} 15) 
Ws Woe CEB | 2 21 35 29 
SE IN +3 19.5 0 10 1 50 
18 VII ss 19.8 20 6 82 ul 
