COPEPODA 



78s 



4(3) 



Second antennae half the entire length. 



Ergasilus la hni, j , K ( . . \ i r 1 * ^ 



The two basal segments without swellings or |.r.Kci««. (ound oo the 

 striped bass, Roccus linealus. •"««« w uic 



Fig. 1237. Ergasilus liibracii. (After WiUjoj 



Anterior margin of the carapace projcctinK stronRly at the center 

 in a rounded knob, first antennae much longerihan in 2. 6 

 Terminal claw of second antennae simple. 



Ergasilus ccntrarchidiirum Urighl i88i. 



Both rami of fourth feet threc-segmentc<l. Found on the (amilv 

 Centrarchidae, the redeye, Ambloplites rupestris. snvall-mouth hUtk 



bass, Micropterus dolomieu, etc. 



Fig. 1238. Ergasilus ccnirarcliidarum. (Aitcr NViLvm.) 



7 (6) Terminal claw toothed on the inner margin. 



Ergasilus an r ulcus Wilson igii. 



Exopodites of fourth feet two-seKmonlnl. Found on the NucKtU. 



Lepomis pallidus. 



Fig. 1239. Eri^a^thi-. i>uruifu\. ^ \nrr »m 



\\\cx v\ iivin.j 



