FISHERY BULLETIN: VOL, 77, NO 1 



flagella). — Flagella not segmented. Inner flagel- 

 lum about one-half length of outer flagellum, bear- 

 ing stiff seta at base of terminal spine. Outer 

 flagellum bears four long and two shorter aes- 

 thetascs terminally and two groups of three aes- 

 thetascs each proximally. 



ANTENNA (Figure 3C).— Flagellum eight- 

 segmented, about equal in length to scale, tipped 



by three short setae and remnant of terminal 

 spine. Antennal scale narrower than in Stage II 

 and fringed with about 30 plumose setae; two 

 complete joints at tip. Spine on protopodite at base 

 of scale considerably larger than in Stage II. 



MAXILLIPEDS.— Change in form and setation 

 of maxillipeds from Stage III on is slight and con- 

 sists primarily of second maxilliped becoming 



0. 5 mm 



0. 5 mm 



164 



