14 
BRITISH ENTOMOSTRACA. 
Sub-Kingdom ANNULOSA. 
Class CRUSTACEA— Division ENTOMOSTRACA. 
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// 5 ' 
Legion First— BRANCHIOPODA. // 
Order I.— PHYLLOPODA. /J 
Family 1 — APODIDiE, containing one Genns . . Apus. 
Family 2 — NEBALIADAE, containing one Genus . . Neb alia. 
Family 3 — BRAN CHIPODIDjE, containing two Genera { 
A « £> * f' Order II — CL ADO CERA. jo’.Sz 
f Daphnia. £ 
Moina. 
Family 1—DAPHNIAD^ containing six Genera . . ® 0SMINA 
Family 2 — POLYPHEMIDiE, containing two Genera . j" 
Macrothrix. 
SlDA. 
^Daphnella./^ 
Polyphemus. 
Eyadne. 
Family 3 — LYNCEIDiE, containing seven Genera 
"Eurycercus* 
Chydorus. 
Camptocercus. 
.<{ Acroperus. 
Alona. 
Pleuroxus. 
JPeracantha. 
Legion Second — LOPHYROPODA. 
Oedee I— OSTRACODA . /if 
Family 1 — CYPRIDIDiE, containing five Genera 
''Cypris. 
Candona. 
Cythere. 
Cythereis. 
^Cypridina. 
Order II — COPEPODA. />■:,. 
Family 1 — CYCLOPIDiE, containing four Genera . . 
Cyclops. 
Canthocamptus. 
Arpacticus. 
Alteutha. 
(Diaptomus. 
Family 2 — DIAPTOMIDiE, containing three Genera . < Temora. 
(. Anomalocera. 
Family 3 — CETOCHILIDiE, containing one Genus . Cetochilus. 
* * * * 
Placed here provisionally, Genus Notodelphys. 
