On Australian Entomostracans. 263 
the left ramus; s. central ganglia supplying the rami 
wsophagus, &c. 
Plate VII. A. Eurycercus Cunninghami ; back and side 
view; a.ramus; d. intestine. 
B. Chydorus augustus. 
C. | Leonardi; a. ramus, b. antennz ; 
d. intestine. 
D. Eurycercus spinosus ; aramus; b. articu- 
lation of seta on ramus; c. the last 
segment of the abdomen. 
E. Dunhevedia podagra; b. antenne; 
c. abdominal segment.. 
i. crassa: b. antennae. 
Plate VIII. A. Alona Bairdii; a. ramus; b. articula- 
tion of seta. 
B. puichella; a.ramus; c. abdominal 
segment. 
C. diaphana ; c. intestine, side view ; 
; e. ditto, back view. 
ib ae Karua; a. ramus; c. abdominal 
segment. 
E. mascula. 
