320 TREUBIA VOL. II, 2—4. Zu: Ss . 3 
= Re le UNIER: Marine Sish-ponds of Batavia. 321 
. a NS 
| Mosquito-net catches en from larvae = — 
Dane Bere | su anh | and pupae collecteq | 
Î 00 N 
NH Number Number | Tey Number Submerged vegetation etc. 
| of nets | jowi 29 |rossii 22] lowi 99 ree ed 
| 
, ) | 
12 XII ’18| Heemraad Oost 26.9 10 293 | 1037 58 | 222 Chaetomorpha yellow, dying, heavily coated but also fresh-green Chaetomorpha with ne 
| 2 coating at all, together with Chaetomorpha in intermediate s SN LU 
| | kepala timah present. ediate stages; floating algal masses; 
13> 5, 5, | Muara Karang . 46.9 5 0 282 0 16 young, fresh-green Chaetomorpha and remains of an older Chaetomorpha-vegetation witl 5 
| | | thin, interwoven filaments of a Schyzophycea and Gloeocapsa; only few Hin 5 a ane We 
| | live algal mats floating at the water-surface; kepala timal 2 4 ying and very tew 
Heemraad Oost 24.2 9 93 || sky 17 ; RE 
De SDN 5 | 105 fine fresh Enteromorpha; fine fresh Chaetomorpha, also less fresh Chaetomorpha more or less coated; 
| | floating algal masses; kepala timah present. > Fe 
14 5 » | Muara Karang . 40.5 6 0 | 29 0 25 fresh Enteromorpha; fresh Chaetomorpha but also heavily coated remains of an old Chaetomorpha- 
d 320 8 0 | vegetation; extensive floating algal masses, partly old and dying, partly fresh; many kepala timah, 
sy yp || eer À 41 0 91 fresh, thin Enteromorpha; Chaetomorpha partly not, partly heavily coated; extensive floating algal 
masses; kepala timah present, 5 Ÿ 
15 , , | Muara Karang . 46.4 10 0 | 244 — Et 
» » » | Jaagpad 38.7 6 © | il = Er 
16 „ ,, | Muara Karang . 40.7 6 0 | 266 — = = 
| P 
» » » | Jaagpad 26.4 10 0 156 = = 
17 Muara Karang . 
„on 8 38.3 6 0 168 0 18 fine fresh-green but also pale, coated Chaetomorpha; extensive old algal masses near bottom, few 
Jaagpad 32.2 young floating algal mats; kepala timah present. 
ova NE P É me Tes 0 160 red-brown Chaetomorpha very heavily coated; also green Chaetomorpha slightly coated; extensive 
floating algal masses mostly old and dying, sometimes young; kepala timah present. 
18 Muara Karang 
ke ie K 18. - 48.9 5 0 88 0 173 Chaetomorpha fresh green with first traces of heavy coating; also old, yellow-brown, coated Chae- 
tomorpha; extensive floating algal masses mostly old, sometimes fresh; kepala timah present, 
» » y | Heemraad Oost 20.8 j à sr eee SSH SERRE 
fresh, young Enteromorpha; fresh-green Chaetomorpha mixed with Oscillatoria-filaments; extensive 
19 ia Keren floating algal masses; few kepala timah. 
» y» rang . 43.0 2 0 31 0 269 pale yellow-green Chaetomorpha more or less coated; extensive floating algal masses, mostly old, 
kamen Oog: sometimes fresh; very many kepala timah. 
DU in 2 aa SS 23.1 = fresh Enteromorpha; Chaetomorpha pale vellow-green to dark green, more or less coated, mixed 
with Oscillatoria-filaments; extensive floating algal masses; kepala timah present. 
» » » » 13.5 = 
20 ü | x 5 + 
hour HEEL Karang. 42.1 | 7 0 18 0 224 pale green elongated Chaetomorpha-cells with a more or less heavy, dark coating; extensive floating 
H d | algal masses mostly old, sometimes fresh; many kepala timah. | 
HI mn eemraad Oost 23.0 = dark green to yellow-brown, dead Chaetomorpha, more or less coated, mixed with Oscillatoria- 
21 Muara K filaments; extensive floating algal masses; kepala timah present. 
ested] LE SEMEN o 52.3 = = 0 101 fine fresh-green and yellow slightly coated Chaetomorpha; extensive old and young floating algal 
H | masses; few kepala timah. 5 
N: eemraad Oost 23.3 || = = = Pi fresh Enteromorpha; green Chaetomorpha more or less coated; extensive floating algal masses; 
| kepala timah present. 
DO rg | Luar Batang. 24.6 9 9 113 = = 
» »  » | Heemraad Oost 24.9 — — — — = EE 
| 
