HUGHES: PARASITES OF PACIFIC SAURY 



iiIh 



2 3 4 5 6 



I'" '^11 III! Illi illllllll ll.'llllll Hill I 



B 



Figure 2. — Mature female PcnneUa sp. (A), with a juvenile (B), after removal from the host. 



were detected. Accordingly, fish from individual 

 schools captured in each area and year were 

 combined and tested by chi-square analysis 

 between areas. In both 1970 and 1971, numbers 

 of fish infected with C. macarovi were signifi- 



cantly higher (0.05 level) off Washington than 

 off Oregon. 



This ectoparasitic copepod usually occurred 

 more frequently than PeinwUa sp., but was 

 considered less burdensome due to small size, 



947 



