426 MR. В. М. GRIFFITHS ON THE AUGUST HELEOPLANKTON 
III. Toe Аосозт HELEOPLANKTON. 
Hurcott Pool. 
Podmore Poul. 
Broadwaters Pool. 
Island Pool. 
Pool. 
Spring Grove 
Upper 
Spring Grove 
Lower Pool. 
Stanklin Pool. 
Moat. 
| Harvington Hall 
| 
Temperature, ? C....... | 
— 
л 
=] 
л 
— 
T 
75 
— 
> 
or 
16°5 
1875 190 180 
| | Wilden Pool. 
| 
BACILLARIEÆ. | 
Melosira varians, Ag. emn 
Asterionella formosa, Hass................... | 
Fragilaria capucina, Desmaz. +s... ..... 
—— crotonensis (А. M. Edw.), Kitton ... 
—— mutabilis (W. Smith), Grun. ......... 
Cocconema cymbiforme, Ehrenb. ......... 
~— Cistula, ЁЮһгепЪ............ ее | 
Cocconeis Placentula, Ehrenb. | ............ | 
Synedra radians (Kütz.), бтип............. | 
Мухорнусем. | 
Microcystis eruginosa, КАЕ... 
—— ochracea (Brand), Когї1............... 
Merismopedia glauca (Ehrenb.), Nag. 
Chroococeus limneticus, Lemm. ............ 
Gomphosphera aponina, Kütz. ............ 
Cœlospherium Nägelianum, Unger ...... 
Aphanizomenon Flos-aque (Linn.), Ваз. 
Anabena sp. (sterile)... ee | 
Nostoc sp. (in small quantly)............... 
CHLOROPHYCEE. 
Chlamydomonas вр. .......... НА 
SP. А 
Pandorina morum (Müll.), Bory  ......... | 
Eudorina elegans, Ehrenb. .................. | 
Volvox globator (Linn.), Ehrenb. ......... 
aureus, Ehrenb. ...................... " 
Pteromonas aculeata, Lemm. ............... 
ovalis, вр. NOV... mH 
Gleocystis gigas (Kütz.), Lagerh. ......... 
Scenedesmus quadricauda (Turp.), Bréb. . 
bijugatus (Turp.), Kütz................ 
obliquus (Turp.), Kütz. ........... ees 
—— denticulatus, Lagerh., var. linearis, 
Hansg. ...............,.,.,. een] .... 
Raciborskii, Woloszynska ...... eee 
Oocystis solitaria, Wittr..................... 
— parva, W. & ©. S. West............... 
Lagerheimia SP. .................... TEM 
Crucigenia rectangularis (Näg.), Ga 
— reniformis, sp. NOV..................... 
apiculata (Lemm.), Schmidle ...... 
Tetraëdron caudatum (Corda), Hansg. ... 
- — regulare, КИ. (нения 
| — minimum (A, Br), Hansg........ .... 
cc. 
rr. 
rr. 
rr. 
ccc. 
rrr. 
cc, 
cc. 
rr. 
сес. 
rr, 
сс. 
rr. 
ec. 
ec. 
rrr. 
| 
| 
| 
rr. 
rr. 
rrr. 
