THE ENTOMOSTRACA OF EPPING FOREST.
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species from Connaught Water is perhaps the most remarkable
fact about its distribution in the Epping Forest area.
Diaptomus vulgaris, Schmeil.—D. coeruleus, Schmeil
(103, Part III.), 1896. In a "Nachtrag" to "Deutschlands
freilebende Susswasser Copepoden" Schmeil says that the name
coeruleus must be abandoned in compliance with the rules issued
for the guidance of contributors to the great zoological work now
appearing, "Das Tierreich." He therefore proposes the name
vulgaris, as the species is one of the commonest of the genus
on the Continent, or at any rate in Germany.
Diaptomus vulgaris, Schmeil. (= D. coeruleus, Fischer).
1. Fifth feet of male x 120.
2. One of the fifth feet of female X 120.
3. End of thorax and first segment of abdomen of female x Ho.
(After Schmeil).
This species, which has not hitherto been recorded as
British, has been found so far only in "The Lake," Wanstead
Park. It is probably much more common in this country,
however, than might be supposed from this circumstance, as it
is more than likely that this form has been mistaken for
D. gracilis, to which it is very closely allied. The accompanying