219 
G. ern Ehrb. Abh., 1830. On Cladophor e, temperate 
house pools, March, 1902; on Vaucheria, lake, April, 1902 
ladophora, laborator ry tank, September, 1902 ; on phare in 
tank, Herb. Dptmt., September, 1902. 
G. acuminatum, EArb. Inf., 217, n. 308,1. 18, f. 4. On desit 
lake, Jeune 1902. 
G. intricatum, K/z. Bac., 87, t. 9, f. 4. Side tanks of water-lily 
house, April, 1902. 
Tabellaria, HArd., 1839. 
z fenestrata, (Lyngb.), Ktz. Bac., t. 17, f. 22; t, 18, f. 2 et. t. 30, 
Jd ongst Mesocarpus in lake ; also in temperate house 
pools, May, 1902 ; tank in No. 8, September, 1902; plankton of 
lake, June, 1902. 
APPENDIX. 
FLAGELLATAE. 
1. CHRYSOMONADINEAE. 
Chrysococcus, Klebs. 
C. rufescens, Klebs. Plankton of lake, April, 1902 (Chodat !) 
Dinobryon, Erb. 
D. Sertularia, ZArb. Plankton of lake and water-lily pond, 
June, 1902 ; plankton of Thames at Kew, August, 1902 
Synura, Erb. 
S. Uvella, Hhrb. Plankton of lake, April, 1902 (Chodat !). 
S. Volvox (Ehrb.) Kirchn. Plankton of water-lily pond, May, 
1902; also of lake, April, 1902; plankton of Thames, August, 
1902. 
2. CRYPTOMONADINEAE. 
TIPO Ehrbg. 
C. erosa, Ehrbg. Plankton of pond and lake, April, 1902 
(Chodat !). 
3. EUGLENINAE. 
Euglena, Ehrbg. 
E. viridis, EArb. Plankton of lake, April, 1902 (Chodat!); 
plankton of moat and laboratory tank, May, 1902; side tanks o 
