1906] OSTERHOUT—BALANCED SOLUTIONS 131 
TABLE I. 
DURATION OF LIFE IN Days. 
GrouPpr . Group 2 
CULTURE SOLUTION. ‘ 
Lyngbya | EBtero-| Ruppia | Prilota | Thonn | laminar 
aestuarll | Hopkirkii | Meme fuicina | bipinnata | ioides 
Sea aii om 2.9%) > 95 150+ 150+ II 24h 24 
at ap se 
© NaCl ee, 
m8 g l ac : 
ae MgSO, " go 150+ | 150+ | 10} 244 23 
goo"! KG ie 
TO: Cate: a 
Distilled water......... 30 30 80 I 3 2b 
‘hap Wael guia ees 32+ 36 85 24 9} 10 
NaCl 3m/8 22 15 23 1} 3k 4 
1000 cc NaCl zs 6<- 2 6 
OG ape ee ; ; ; 
tooo “ NaCl a“ 
4 ep eS fe 35 32 88 34 10 9 
To: 5 CaCl. es 
1000 NaCl a 6 
MgCl, 6 29 23 45 2 6- 
10: - Cats bie 
tooo NaCl big 
“* MgCl, i 25 133 30 2 4 4 
Cl “ce 
tooo “* NaCl bi 4 5 
a EY > 23 134 23 I 
1000 * NaCl : 2 I 2 2 
78 “ MgCl, “ce 228 134 5 4 
1000 * Dist. H,O 6 I I 2 24 
7 Mgtts ef ois | Oh as 
1000 “ Dist. H,O © > 1 2 2 
38 “ MgSO, {} 7h | 13 . 
1000 “ Dist. H,O 6 I 15 3 
223 KC} ae ; igs 134 5 5 
1000 “ Dist. HO 2 2 
10 “ CaCl, nag et t 26+ 123 58 4 5 
