TREUBIA VOL. II, 24. 2 
SUNIER: Marine fish-ponds of Batavia. 
Mosquito-net catches | Emerged from tarvae 
Date Place | So/ and pupae collected |||. 
Di . . 
Lo men Number Nar NE Number Submerged vegetation etc. 
BEATS a ud- 
of nets | jowi 22 | rossii sel lowi 99 roses | 
3 XII 18} Pekulitan 41.3 10 0 181 | | 
4 y | 71 Chaetomorpha rather heavily coated but still green i : 
| with violet-red Gloeocapsa; extensive floating ae al coated Chastomorpha thickly covered 
» » „| Heemraad Oost 28.7 10 0 44 | 55 142 [I fresh young Enteromorpha; Chaetomorpha rather heavily coated, al i | 
coating, turning however already a little yell x Sr Ee fdan 
| kepala timah, x y yellow-green; extensive floating algal masses; many 
4, ,, | Pekulitan 52.2 6 0 14 | 0 
: Ö 61 old yellow-green Chaetomorpha rather heavily coated, al i i 
| | Geatedtwextenciveliloatinevalealimasces: a POR RCH dying Chaetomorpha very heavily 
m | 7 
» » » | Heemraad Oost 26.2 10 2 20 | 12 55 fresh Najas; young fresh-green Enteromorpha; Chaetomorpha rather fresh-green with only little 
5 Fluit 44,6 4 | coating; extensive floating algal masses; many kepala timah. 
ui . / é ‘ 5 
u 4 0 24 1 170 young pbinhenteromorpus fresh beautifully green Chaetomorpha with no coating at all, also Chae- 
H al Oos: 3 | tomorpha with an uncommonly heavy coating; extensive floating algal masses; kepala timah present. 
eemraa OS : | 
arne 1.5 10 50 500 0 21 a dark green mass of Lyngbya; fresh Enteromorpha; extensive floating algal masses; kepala 
timah present. 
6 Fluit x F 
eh 84.6 10 0 59 0 146 ||| Chaetomorpha dying, yellow, coated, but also fresh-green Chaetomorpha-filaments with very little 
coating together with Chaetomorpha-filaments in intermediate stages; extensive floating algal 
masses; kepala timah present. 
DDS Heemraad Oost 28.45 4 1 103 24 85 young fresh-green Enteromorpha; pale yellow-green rather elongated Chaetomorpha-cells not heavily 
7 “ait coated; extensive floating algal masses; kepala timah present. 
1 
» » u 70.7 8 0 41 0 18 || fine, mostly rather dark green Chaetomorpha slightly coated to more or less heavily coated, also 
dead whactomorpiia Slad a red-brown coating; extensive floating masses of mostly old, 
ying algae; few kepala timah. 
Heemraa 5 
Mane ot d Oost 19.2 8 1 5 34 59 thin elongated Chaetomorpha-cells, more or less coated; pale yellow-green Enteromorpha; floating 
8 Fluit algal masses extending over the whole area of the pond; few kepala timah. 
” ” ae 10 0 60 — — 
» » » | Heemraad Oost 24.0 10 1 13 = = BR 
9 | Fluit 
» » uit . . . 40.8 7 0 20 0 56 yellow-green, dying Chaetomorpha with nearly no coating, further fresh-green Chaetomorpha with 
greenish black flocks of interwoven filamentous Schizophyceae; algal masses chiefly near bottom, 
H do only few floating algal mats; very many kepala timah, 
Dm D eemraa ost 20.0 10 0 4 35 42 fresh Enteromorpha; floating algal masses extending over the whole area of the pond ; few kepala timah. 
10 it, Di 4 
» » | Fluit, Djembatan Tomes . 54.1 5 0 28 — = pale yellow, thin Chaetomorpha-filaments rather heavily coated and partly covered with Chroococca- 
H ceae; algal masses chiefly near bottom, only few floating algal mats; kepala timah present. 
Be aes eemraad Oost 18.7 — = = 2 12 young Enteromorpha; floating algal masses extending over the whole area of the pond; few kepalatimah. 
11 „ „| Fluit, Djembatan Tomes. 44.6 2 0 14 | 0 117 fine green Chaetomorpha not coated; rather thick filaments of a Schizophycea and very thin, 
interwoven filaments of an other Schizophycea; extensive floating algal masses; many kepala timah. 
» » » | Heemraad Oost 25.8 9 51 217 21 78 Chaetomorpha yellow, dying, mixed with yellowish filaments of a Schizophycea and brown, very 
thin, interwoven filaments of an other Schizophycea, also fine green Chaetomorpha and fine dark- 
green filamentous Schizophyceae; algal masses for the greater part floating, for the lesser part 
12 M near bottom; kepala timah present. 
» » uara Karang . 54.8 10 0 301 0 205 || Chaetomorpha pale to dark green, heavily coated but also pale yellow, much less coated; Copepods 
among the Chaetomorpha-filaments ; extensive floating algal masses, also algae near bottom; 
| many kepala timah. 
