
NICHOLLS—COPEPODA FROM SOUTH AUSTRALIA 17 
ment is very small; the fifth segment is expanded laterally and bears the one-seg- 
mented fifth legs. The genital segment is nearly as long as the three posterior 
segments and not greatly expanded anteriorly. This and the following segment 
a.2. 


Fig. 6. Australomyzon typicus gen. et sp. nov., male and female. Female X 29; urosome, 
both sexes, X 110; appendages x 183. 
