Fic. 
- 
10. 
as 
Cyclops signatus var. tenuicornis. Caudal stylet. 
where the inner aspect is ciliate. 
Fourth foot of same. 
Canthocamptus northumbricus var. americanus. 
Caudal stylet. 
Maxilliped. 
Fifth foot. 
Diaptomus hircus. 
Left fifth foot of male. 
Right fifth foot of male. 
Fifth foot of female. 
Diaptomus; sancti-patricii. 
Fifth foot of male. 
Fifth foot of female. 
Appendages of penultimate joint of right male antenna. 
Figs. 6-11 are after Brady. 
2 Oe 
. * J Ky 
A ease 
