SCHEME OF THE CLASSIFICATION ADOPTED 

 IN THIS VOLUME 



The naines of extinct groups are printed in italics. 



CRUSTACEA (p. 3). 



ENTOMOSTRACA (p. 18). 



Orders. 



Branohio- 

 poda 



(p. 18) 



Sub-Orders, 



Phyllopoda 



(pp. 19, 35) 



Tribes. 



Cladocera 



(p. 37) 



Calyptomera 

 (pp. 38, 51^ ^ 



Ctenopoda 



(p. 51) 



Anomo- 

 poda 



(p. 51) 



Gymnoplea 



(p. 57) 



Gymnomera | 

 (pp. 38, 54) 1 



Amphascandria (p. 57) 



Heterarthrandria (p. 58) 



Copepoda'g , 



(p. 55) g.^ 

 P. 



Podoplea 



(p. 61) 



Ampharthrandria (p. 61) ■ 



Families. 

 ' Branohipodidae 



(pp. 19, 35). 

 Apodidae 



(pp. 19, 36). 

 Limnadiidae 



(pp. 20, 36). 

 Sididae (p. 51). 

 Holopediidae 



(p. 51). 

 Daphniidae (p. 51). 

 Bosminidae (p. 53). 

 Lyncodaphniidae 



(p. 53). 

 Lynoeidae 

 = Chydoridae 

 (p. 53). 

 /"Polyphemidae 

 I (p. 64). 

 "l Leptodoridae 

 I (p. 54). 



Calanidae (p. 57). 

 ( Centropagidae 



(p. 58). 

 A Candacidae 



(p. 60). 

 iPontellidae (p. 60). 

 Cyclopidae 



(pp. 61, 62). 

 Harpacticidae 

 (pp. 61, 62). 

 Peltiidae 

 (p. 63). 

 Monstrillidae 



(p. 63). 

 Asoidicolidae 



(p. 66). 

 Asterooheridae 



(p. 67). 

 Dichelestiidae 

 (p. 68). 



{Continued on the next page. 



