19 
COPEPODA.* 
Diaptomus, Westwood. 
D. gracilis, Sars. The lake,and pond in front of Museum No. I. 
Eurytemora, Giesbrecht. 
E. lacinulata, Fischer. The lake; only seen on one occasion, 
E. affinis. » Poppe. Riverside ditch (north of Isleworth Ferry 
Gate). This Species is only found as a rule in brackish water or 
in water having occasional connection with brackish water. | Its 
occurrence in the riverside ditch is COM OR iro bits due to mo 
occasional influx of Thames water 
Cyclops, O.F. M. 4^ 
C. strenuus, Fischer. The lake, pond in front of Museum No. I 
one of the corner tanks in water-lily bouse, and tank near Jodrell 
Laboratory. The form occurring in the pond just referred to was 
always of the vicinus type. 
C. leuckarti, Claus. Seen only in the lake. 
C. oithonoides, Sars. Victoria regia tank, piel and one or 
two of the corner tanks in the water-lily hous 
C. viridis, Jurine. The gigas form occurred in the lake, aiia- 
lily pond, tank near Jodrell Laboratory, and the riverside ditch. 
he brevicornis form was found in the lake, pond in front of 
Museum No. I., and in the central tank in the water-lily house. 
C. bieolor, Sas. Water-lily pond and riverside diteh (south of 
Isleworth Ferry Gate). 
scus, Jurine. Tank near Jodrell Laboratory and Pheer c 
dite besar of Isleworth Ferry Gate). 
C. albidus, Jurine. A common species occurring in the majority 
of the collections made. 
C. bistriatus, Koch (= C. distinctus, Richard). Riverside ditch 
(south of Isleworth Ferry Gate). This is the peculiar form, a 
, deem hybrid Neo C. Sees and C. albidus, first recorded 
as Britis “The Entomostraca of Epping Forest”-— 
hoes Nascar 1898, p. 325). 
^ C. serrulatus, Fischer. A common species found in most of the 
collections s except those from soo indoor warm water tanks. So 
as wa rved, only the varius and macruroides lr ao of 
Liljeborst borat the trinet benig much the commoner. 
C. prasinus, Jurine. The tank near the Jodrell Laboratory i is 
the only eos where this rather rare species has been seen. 
* 0. Schmeil’s * Deutschlands freilebende. Süsswasser-Copepoden ed ,1892-1897, 
followed as far as posible for this Order. 
+ “Synopsis specierum ..... . ee r; Oyolopia" "E s 
13757 ds En 
